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FACE MATERIALS
Mechanical Seals - Face Materials. Mechanical Seals come in a wide range of designs however the most important factor when determining how long a seal is going to SEAL POTS | MECHANICAL SEAL FLUSH POTS Overview of Seal Pots. If you have reviewed our Mechanical seal pumbing plans you will know in some cases you will need a seal pot to supply clean lubricating fluid to your seal. We provide seal pots to your specifications. Complete in the metallurgy and with the plumbing and elements you require. SILICON CARBIDE SEAL FACES FOR MECHANICAL SEALS Overview of Silicon Carbide Seal. Silicon Carbide - Is a bluish-black material created by fusing silica and coke. It is in the same family as Ceramic (due to the Silica), but TUNGSTEN CARBIDE SEAL FACES Tungsten Carbide - A very versatile seal face like Silicon Carbide. It is very hard like silicon carbide however it is very heavy to the touch, making it easy to distinguish from silicon carbide.INBOARD SEALS
Inboard Mechanical Seals. The term Inboard seals simply refers to seals that are mounted inside of a pumps stuffing box, to a shaft or sleeve and are mounted independently as individual parts. WHAT IS SHAFT SEALS? This form of lip seal is typical in automotive applications, sealing bearings on any type of equipment, and in some valves and pumps. However the pressure limitation keeps them out of many valves and pumps. O-Rings are often used to seal the shaft or stem in a valve and are very effective at it. The reason they can be used for thisapplication
SEAL WATER METERS
The Seal Water Meter is designed for applications where uninterrupted seal water flow is required. METAL BELLOWS SEALS FOR PUMPS Metal Bellows Seals for Pumps. Metal bellows seals feature a bellows core made of one of several types of bellows. The most common are AM350 and Hastelloy C. Usually with Stainless Steel end fittings permits these mechanical seals to be used for high temperature services beyond the range of mechanical seals with synthetic rubbersealing members.
WHY MECHANICAL SEALS FAIL? Mechanical Seals failures seem to fall into four broad categories. Seal face constantly moves to maintain full face contact with the stationary Seal face. MECHANICAL SEALS FOR PUMPS Every other leak path within the mechanical seal is blocked with the use off a gasket, o-ring, wedge (Rubber, PTFE or Flexible Graphite). The other key aspect of a mechanical pump seal is how to maintain the seal. Springs (single or multiple), a metal bellows or just compressed elastomers are used to provide the needed energy to keep pressing the seal faces together.FACE MATERIALS
Mechanical Seals - Face Materials. Mechanical Seals come in a wide range of designs however the most important factor when determining how long a seal is going to SEAL POTS | MECHANICAL SEAL FLUSH POTS Overview of Seal Pots. If you have reviewed our Mechanical seal pumbing plans you will know in some cases you will need a seal pot to supply clean lubricating fluid to your seal. We provide seal pots to your specifications. Complete in the metallurgy and with the plumbing and elements you require. SILICON CARBIDE SEAL FACES FOR MECHANICAL SEALS Overview of Silicon Carbide Seal. Silicon Carbide - Is a bluish-black material created by fusing silica and coke. It is in the same family as Ceramic (due to the Silica), but TUNGSTEN CARBIDE SEAL FACES Tungsten Carbide - A very versatile seal face like Silicon Carbide. It is very hard like silicon carbide however it is very heavy to the touch, making it easy to distinguish from silicon carbide.INBOARD SEALS
Inboard Mechanical Seals. The term Inboard seals simply refers to seals that are mounted inside of a pumps stuffing box, to a shaft or sleeve and are mounted independently as individual parts. WHAT IS SHAFT SEALS? This form of lip seal is typical in automotive applications, sealing bearings on any type of equipment, and in some valves and pumps. However the pressure limitation keeps them out of many valves and pumps. O-Rings are often used to seal the shaft or stem in a valve and are very effective at it. The reason they can be used for thisapplication
SEAL WATER METERS
The Seal Water Meter is designed for applications where uninterrupted seal water flow is required. METAL BELLOWS SEALS FOR PUMPS Metal Bellows Seals for Pumps. Metal bellows seals feature a bellows core made of one of several types of bellows. The most common are AM350 and Hastelloy C. Usually with Stainless Steel end fittings permits these mechanical seals to be used for high temperature services beyond the range of mechanical seals with synthetic rubbersealing members.
MECHANICAL SEALS FOR PUMPS Every other leak path within the mechanical seal is blocked with the use off a gasket, o-ring, wedge (Rubber, PTFE or Flexible Graphite). The other key aspect of a mechanical pump seal is how to maintain the seal. Springs (single or multiple), a metal bellows or just compressed elastomers are used to provide the needed energy to keep pressing the seal faces together. MECHANICAL SEALS TRAINING FROM AS P Mechanical Seal Training. We now offer on site training in both public and private locations for mechanical seals and pumps. To combat the growing labor shortage and continual turnover in the maintenance industry, American Seal and Packing Co now offers training in industrial pumps. Our resident pump expert Larry Bachus, is theworld's foremost
WHAT IS SHAFT SEALS? Mechanical Shaft Seals. The term Shaft Seals is used often and often misused. Technically anything that is sealing a shaft, be it an O-ring, a lip seal, braided packing, or ELASTOMERS SEAL MATERIALS Ethylene Propylene (EP, EPR, EPDM) - Peroxide cured grades are preferred. -65 F to +300 F . Neoprene - Excellent for sealing refrigeration fluids such as Freon ®. -65 F to +250 F. Aflas - Preferred for combinations of oil and amines or ammonia: sour crude oil, sour gas, refrigeration. -20 F to +400 F (excursions to +600). Viton Temperature Limit: -15 F- 350 F (constant) 400 F (intermittent BALANCED MECHANICAL SEALS Since mechanical seals are subject to stuffing box pressure, this pressure is utilized to achieve and maintain seal face closure in a non-balanced seal. •If stuffing box pressure is very high, typically over 100psi., then the closing force may be too great to allow the "Boundary Layer Liquid" that lubricates the faces to be sufficient and the faces will wear prematurely.INBOARD SEALS
Inboard Mechanical Seals. The term Inboard seals simply refers to seals that are mounted inside of a pumps stuffing box, to a shaft or sleeve and are mounted independently as individual parts. SPECIFYING MECHANICAL SEALS FOR ROTATING PUMP SHAFTS Specifying Mechanical Seals. Mechanical seals have become increasingly popular in industry. Many companies develop a set of mechanical seal specifications to make it easier for their people to select one or more seals for an application. CERAMIC SEAL MATERIALS Overview of Ceramic Seal Materials. Ceramic - Generally a 99.5% aluminum oxide offering excellent wear characteristics due to it's hardness. It is chemically inert and can be applied to nearly anyproduct.
C A T A L O G
mechanical seals c a t a l o g cartridge seals metal bellows cartridge seals high pressure pipeline seals composite cartridge seals rotary units • metal bellows WHY MECHANICAL SEALS FAIL? Mechanical Seals failures seem to fall into four broad categories. Seal face constantly moves to maintain full face contact with the stationary Seal face. MECHANICAL SEALS FOR PUMPS Every other leak path within the mechanical seal is blocked with the use off a gasket, o-ring, wedge (Rubber, PTFE or Flexible Graphite). The other key aspect of a mechanical pump seal is how to maintain the seal. Springs (single or multiple), a metal bellows or just compressed elastomers are used to provide the needed energy to keep pressing the seal faces together.FACE MATERIALS
Mechanical Seals - Face Materials. Mechanical Seals come in a wide range of designs however the most important factor when determining how long a seal is going to SEAL POTS | MECHANICAL SEAL FLUSH POTS Overview of Seal Pots. If you have reviewed our Mechanical seal pumbing plans you will know in some cases you will need a seal pot to supply clean lubricating fluid to your seal. We provide seal pots to your specifications. Complete in the metallurgy and with the plumbing and elements you require. TUNGSTEN CARBIDE SEAL FACES Tungsten Carbide - A very versatile seal face like Silicon Carbide. It is very hard like silicon carbide however it is very heavy to the touch, making it easy to distinguish from silicon carbide. SILICON CARBIDE SEAL FACES FOR MECHANICAL SEALS Overview of Silicon Carbide Seal. Silicon Carbide - Is a bluish-black material created by fusing silica and coke. It is in the same family as Ceramic (due to the Silica), but WHAT IS SHAFT SEALS? This form of lip seal is typical in automotive applications, sealing bearings on any type of equipment, and in some valves and pumps. However the pressure limitation keeps them out of many valves and pumps. O-Rings are often used to seal the shaft or stem in a valve and are very effective at it. The reason they can be used for thisapplication
INBOARD SEALS
Inboard Mechanical Seals. The term Inboard seals simply refers to seals that are mounted inside of a pumps stuffing box, to a shaft or sleeve and are mounted independently as individual parts.SEAL WATER METERS
The Seal Water Meter is designed for applications where uninterrupted seal water flow is required. METAL BELLOWS SEALS FOR PUMPS Metal Bellows Seals for Pumps. Metal bellows seals feature a bellows core made of one of several types of bellows. The most common are AM350 and Hastelloy C. Usually with Stainless Steel end fittings permits these mechanical seals to be used for high temperature services beyond the range of mechanical seals with synthetic rubbersealing members.
WHY MECHANICAL SEALS FAIL? Mechanical Seals failures seem to fall into four broad categories. Seal face constantly moves to maintain full face contact with the stationary Seal face. MECHANICAL SEALS FOR PUMPS Every other leak path within the mechanical seal is blocked with the use off a gasket, o-ring, wedge (Rubber, PTFE or Flexible Graphite). The other key aspect of a mechanical pump seal is how to maintain the seal. Springs (single or multiple), a metal bellows or just compressed elastomers are used to provide the needed energy to keep pressing the seal faces together.FACE MATERIALS
Mechanical Seals - Face Materials. Mechanical Seals come in a wide range of designs however the most important factor when determining how long a seal is going to SEAL POTS | MECHANICAL SEAL FLUSH POTS Overview of Seal Pots. If you have reviewed our Mechanical seal pumbing plans you will know in some cases you will need a seal pot to supply clean lubricating fluid to your seal. We provide seal pots to your specifications. Complete in the metallurgy and with the plumbing and elements you require. TUNGSTEN CARBIDE SEAL FACES Tungsten Carbide - A very versatile seal face like Silicon Carbide. It is very hard like silicon carbide however it is very heavy to the touch, making it easy to distinguish from silicon carbide. SILICON CARBIDE SEAL FACES FOR MECHANICAL SEALS Overview of Silicon Carbide Seal. Silicon Carbide - Is a bluish-black material created by fusing silica and coke. It is in the same family as Ceramic (due to the Silica), but WHAT IS SHAFT SEALS? This form of lip seal is typical in automotive applications, sealing bearings on any type of equipment, and in some valves and pumps. However the pressure limitation keeps them out of many valves and pumps. O-Rings are often used to seal the shaft or stem in a valve and are very effective at it. The reason they can be used for thisapplication
INBOARD SEALS
Inboard Mechanical Seals. The term Inboard seals simply refers to seals that are mounted inside of a pumps stuffing box, to a shaft or sleeve and are mounted independently as individual parts.SEAL WATER METERS
The Seal Water Meter is designed for applications where uninterrupted seal water flow is required. METAL BELLOWS SEALS FOR PUMPS Metal Bellows Seals for Pumps. Metal bellows seals feature a bellows core made of one of several types of bellows. The most common are AM350 and Hastelloy C. Usually with Stainless Steel end fittings permits these mechanical seals to be used for high temperature services beyond the range of mechanical seals with synthetic rubbersealing members.
WHY MECHANICAL SEALS FAIL? Mechanical Seals failures seem to fall into four broad categories. Seal face constantly moves to maintain full face contact with the stationary Seal face. MECHANICAL SEALS FOR PUMPS Every other leak path within the mechanical seal is blocked with the use off a gasket, o-ring, wedge (Rubber, PTFE or Flexible Graphite). The other key aspect of a mechanical pump seal is how to maintain the seal. Springs (single or multiple), a metal bellows or just compressed elastomers are used to provide the needed energy to keep pressing the seal faces together. WHAT IS SHAFT SEALS? Mechanical Shaft Seals. The term Shaft Seals is used often and often misused. Technically anything that is sealing a shaft, be it an O-ring, a lip seal, braided packing, or MECHANICAL SEALS TRAINING FROM AS P Mechanical Seal Training. We now offer on site training in both public and private locations for mechanical seals and pumps. To combat the growing labor shortage and continual turnover in the maintenance industry, American Seal and Packing Co now offers training in industrial pumps. Our resident pump expert Larry Bachus, is theworld's foremost
ELASTOMERS SEAL MATERIALS Ethylene Propylene (EP, EPR, EPDM) - Peroxide cured grades are preferred. -65 F to +300 F . Neoprene - Excellent for sealing refrigeration fluids such as Freon ®. -65 F to +250 F. Aflas - Preferred for combinations of oil and amines or ammonia: sour crude oil, sour gas, refrigeration. -20 F to +400 F (excursions to +600). Viton Temperature Limit: -15 F- 350 F (constant) 400 F (intermittent BALANCED MECHANICAL SEALS Since mechanical seals are subject to stuffing box pressure, this pressure is utilized to achieve and maintain seal face closure in a non-balanced seal. •If stuffing box pressure is very high, typically over 100psi., then the closing force may be too great to allow the "Boundary Layer Liquid" that lubricates the faces to be sufficient and the faces will wear prematurely.INBOARD SEALS
Inboard Mechanical Seals. The term Inboard seals simply refers to seals that are mounted inside of a pumps stuffing box, to a shaft or sleeve and are mounted independently as individual parts. SPECIFYING MECHANICAL SEALS FOR ROTATING PUMP SHAFTS Specifying Mechanical Seals. Mechanical seals have become increasingly popular in industry. Many companies develop a set of mechanical seal specifications to make it easier for their people to select one or more seals for an application. CERAMIC SEAL MATERIALS Overview of Ceramic Seal Materials. Ceramic - Generally a 99.5% aluminum oxide offering excellent wear characteristics due to it's hardness. It is chemically inert and can be applied to nearly anyproduct.
C A T A L O G
mechanical seals c a t a l o g cartridge seals metal bellows cartridge seals high pressure pipeline seals composite cartridge seals rotary units • metal bellows WHY MECHANICAL SEALS FAIL? Mechanical Seals failures seem to fall into four broad categories. Seal face constantly moves to maintain full face contact with the stationary Seal face. MECHANICAL SEALS FOR PUMPS Every other leak path within the mechanical seal is blocked with the use off a gasket, o-ring, wedge (Rubber, PTFE or Flexible Graphite). The other key aspect of a mechanical pump seal is how to maintain the seal. Springs (single or multiple), a metal bellows or just compressed elastomers are used to provide the needed energy to keep pressing the seal faces together.FACE MATERIALS
Mechanical Seals - Face Materials. Mechanical Seals come in a wide range of designs however the most important factor when determining how long a seal is going to MECHANICAL SEAL MANUFACTURERSMECHANICAL SEAL MANUFACTURERSMECHANICAL SEAL MANUFACTURERS USAMECHANICAL SEAL DISTRIBUTORSMECHANICAL SEAL COMPANIESMECHANICAL SEAL SUPPLIERSMECHANICAL SEAL SUPPLIER Mechanical Seals by Industry. There are types of seals that are favored by various industries based on the common characteristics of that industry. For example, the local water plant will use a typical ANSI seal, while refineries will require API seals. Industries likewaste water,
SEAL POTS | MECHANICAL SEAL FLUSH POTS Overview of Seal Pots. If you have reviewed our Mechanical seal pumbing plans you will know in some cases you will need a seal pot to supply clean lubricating fluid to your seal. We provide seal pots to your specifications. Complete in the metallurgy and with the plumbing and elements you require. WHAT IS SHAFT SEALS? This form of lip seal is typical in automotive applications, sealing bearings on any type of equipment, and in some valves and pumps. However the pressure limitation keeps them out of many valves and pumps. O-Rings are often used to seal the shaft or stem in a valve and are very effective at it. The reason they can be used for thisapplication
MIXER AND AGITATOR MECHANICAL SEALSMIXER SEAL REPAIR Mixer and Agitator Seals. Mixers and agitators offer a unique problem for mechanical seals. Because most mixers or agitators are mounted on top or on the side of a vessel the long shaft being used to mix or agitate usually has an issue with run out. TUNGSTEN CARBIDE SEAL FACES Tungsten Carbide - A very versatile seal face like Silicon Carbide. It is very hard like silicon carbide however it is very heavy to the touch, making it easy to distinguish from silicon carbide.INBOARD SEALS
Inboard Mechanical Seals. The term Inboard seals simply refers to seals that are mounted inside of a pumps stuffing box, to a shaft or sleeve and are mounted independently as individual parts. SILICON CARBIDE SEAL FACES FOR MECHANICAL SEALS Overview of Silicon Carbide Seal. Silicon Carbide - Is a bluish-black material created by fusing silica and coke. It is in the same family as Ceramic (due to the Silica), but WHY MECHANICAL SEALS FAIL?CERAMIC MECHANICAL SEAL FACECERAMIC PUMP SEALSCHINA CERAMIC MECHANICAL SEAL FACES Mechanical Seals failures seem to fall into four broad categories. Seal face constantly moves to maintain full face contact with the stationary Seal face. MECHANICAL SEALS FOR PUMPS Every other leak path within the mechanical seal is blocked with the use off a gasket, o-ring, wedge (Rubber, PTFE or Flexible Graphite). The other key aspect of a mechanical pump seal is how to maintain the seal. Springs (single or multiple), a metal bellows or just compressed elastomers are used to provide the needed energy to keep pressing the seal faces together.FACE MATERIALS
Mechanical Seals - Face Materials. Mechanical Seals come in a wide range of designs however the most important factor when determining how long a seal is going to MECHANICAL SEAL MANUFACTURERSMECHANICAL SEAL MANUFACTURERSMECHANICAL SEAL MANUFACTURERS USAMECHANICAL SEAL DISTRIBUTORSMECHANICAL SEAL COMPANIESMECHANICAL SEAL SUPPLIERSMECHANICAL SEAL SUPPLIER Mechanical Seals by Industry. There are types of seals that are favored by various industries based on the common characteristics of that industry. For example, the local water plant will use a typical ANSI seal, while refineries will require API seals. Industries likewaste water,
SEAL POTS | MECHANICAL SEAL FLUSH POTS Overview of Seal Pots. If you have reviewed our Mechanical seal pumbing plans you will know in some cases you will need a seal pot to supply clean lubricating fluid to your seal. We provide seal pots to your specifications. Complete in the metallurgy and with the plumbing and elements you require. WHAT IS SHAFT SEALS? This form of lip seal is typical in automotive applications, sealing bearings on any type of equipment, and in some valves and pumps. However the pressure limitation keeps them out of many valves and pumps. O-Rings are often used to seal the shaft or stem in a valve and are very effective at it. The reason they can be used for thisapplication
MIXER AND AGITATOR MECHANICAL SEALSMIXER SEAL REPAIR Mixer and Agitator Seals. Mixers and agitators offer a unique problem for mechanical seals. Because most mixers or agitators are mounted on top or on the side of a vessel the long shaft being used to mix or agitate usually has an issue with run out. TUNGSTEN CARBIDE SEAL FACES Tungsten Carbide - A very versatile seal face like Silicon Carbide. It is very hard like silicon carbide however it is very heavy to the touch, making it easy to distinguish from silicon carbide.INBOARD SEALS
Inboard Mechanical Seals. The term Inboard seals simply refers to seals that are mounted inside of a pumps stuffing box, to a shaft or sleeve and are mounted independently as individual parts. SILICON CARBIDE SEAL FACES FOR MECHANICAL SEALS Overview of Silicon Carbide Seal. Silicon Carbide - Is a bluish-black material created by fusing silica and coke. It is in the same family as Ceramic (due to the Silica), but WHY MECHANICAL SEALS FAIL?CERAMIC MECHANICAL SEAL FACECERAMIC PUMP SEALSCHINA CERAMIC MECHANICAL SEAL FACES Mechanical Seals failures seem to fall into four broad categories. Seal face constantly moves to maintain full face contact with the stationary Seal face. MECHANICAL SEALS FOR PUMPS Every other leak path within the mechanical seal is blocked with the use off a gasket, o-ring, wedge (Rubber, PTFE or Flexible Graphite). The other key aspect of a mechanical pump seal is how to maintain the seal. Springs (single or multiple), a metal bellows or just compressed elastomers are used to provide the needed energy to keep pressing the seal faces together. ELASTOMERS SEAL MATERIALS Ethylene Propylene (EP, EPR, EPDM) - Peroxide cured grades are preferred. -65 F to +300 F . Neoprene - Excellent for sealing refrigeration fluids such as Freon ®. -65 F to +250 F. Aflas - Preferred for combinations of oil and amines or ammonia: sour crude oil, sour gas, refrigeration. -20 F to +400 F (excursions to +600). Viton Temperature Limit: -15 F- 350 F (constant) 400 F (intermittent CERAMIC SEAL MATERIALS Ceramic Seal faces for Mechanical Seals - Engineered cartridge seals. Single spring mechanical pump seals, multipule springs, metal bellows in both in-line and cartridge seals. PTFE SEALS FOR PUMPS PTFE Mechanical Seals. Mechanical seals often need to be used in chemical applications. When confronted with some harsh chemicals, mechanical seals containing elastomers made of Viton, Kalrez or Chemrez can't hold up. SILICON CARBIDE SEAL FACES FOR MECHANICAL SEALS Overview of Silicon Carbide Seal. Silicon Carbide - Is a bluish-black material created by fusing silica and coke. It is in the same family as Ceramic (due to the Silica), butOUTBOARD SEALS
Outboard Seals. If an extremely corrosive liquid has satisfactory lubricating properties, an outside mechanical seal offers an economical alternative to the expensive metallurgies required for an inside seal to resist corrosion. SPECIFYING MECHANICAL SEALS FOR ROTATING PUMP SHAFTS Specifying Mechanical Seals. Mechanical seals have become increasingly popular in industry. Many companies develop a set of mechanical seal specifications to make it easier for their people to select one or more seals for an application.METAL COMPONENTS
Metal Components - 316 stainless steel can usually be specified for seal components when any grade of stainless steel is acceptable.SEAL WATER METERS
The Seal Water Meter is designed for applications where uninterrupted seal water flow is required. DOUBLE CARTRIDGE MECHANICAL SEALS FOR PUMPS Mechanical Seals - Double Cartridge . A double cartridge type mechanical seal is a pre-assembled package of seal components (including 4 seal faces) making installation much easier with fewer points for potential installation errors to occur. MECHANICAL SEALS FOR PUMPS Every other leak path within the mechanical seal is blocked with the use off a gasket, o-ring, wedge (Rubber, PTFE or Flexible Graphite). The other key aspect of a mechanical pump seal is how to maintain the seal. Springs (single or multiple), a metal bellows or just compressed elastomers are used to provide the needed energy to keep pressing the seal faces together.FACE MATERIALS
Mechanical Seals - Face Materials. Mechanical Seals come in a wide range of designs however the most important factor when determining how long a seal is going to MECHANICAL SEAL MANUFACTURERSMECHANICAL SEAL MANUFACTURERSMECHANICAL SEAL MANUFACTURERS USAMECHANICAL SEAL DISTRIBUTORSMECHANICAL SEAL COMPANIESMECHANICAL SEAL SUPPLIERSMECHANICAL SEAL SUPPLIER Mechanical Seals by Industry. There are types of seals that are favored by various industries based on the common characteristics of that industry. For example, the local water plant will use a typical ANSI seal, while refineries will require API seals. Industries likewaste water,
SEAL POTS | MECHANICAL SEAL FLUSH POTS Overview of Seal Pots. If you have reviewed our Mechanical seal pumbing plans you will know in some cases you will need a seal pot to supply clean lubricating fluid to your seal. We provide seal pots to your specifications. Complete in the metallurgy and with the plumbing and elements you require. WHAT IS SHAFT SEALS? This form of lip seal is typical in automotive applications, sealing bearings on any type of equipment, and in some valves and pumps. However the pressure limitation keeps them out of many valves and pumps. O-Rings are often used to seal the shaft or stem in a valve and are very effective at it. The reason they can be used for thisapplication
MIXER AND AGITATOR MECHANICAL SEALSMIXER SEAL REPAIR Mixer and Agitator Seals. Mixers and agitators offer a unique problem for mechanical seals. Because most mixers or agitators are mounted on top or on the side of a vessel the long shaft being used to mix or agitate usually has an issue with run out. TUNGSTEN CARBIDE SEAL FACES Tungsten Carbide - A very versatile seal face like Silicon Carbide. It is very hard like silicon carbide however it is very heavy to the touch, making it easy to distinguish from silicon carbide.INBOARD SEALS
Inboard Mechanical Seals. The term Inboard seals simply refers to seals that are mounted inside of a pumps stuffing box, to a shaft or sleeve and are mounted independently as individual parts. SILICON CARBIDE SEAL FACES FOR MECHANICAL SEALS Overview of Silicon Carbide Seal. Silicon Carbide - Is a bluish-black material created by fusing silica and coke. It is in the same family as Ceramic (due to the Silica), but WHY MECHANICAL SEALS FAIL?CERAMIC MECHANICAL SEAL FACECERAMIC PUMP SEALSCHINA CERAMIC MECHANICAL SEAL FACES Mechanical Seals failures seem to fall into four broad categories. Seal face constantly moves to maintain full face contact with the stationary Seal face. MECHANICAL SEALS FOR PUMPS Every other leak path within the mechanical seal is blocked with the use off a gasket, o-ring, wedge (Rubber, PTFE or Flexible Graphite). The other key aspect of a mechanical pump seal is how to maintain the seal. Springs (single or multiple), a metal bellows or just compressed elastomers are used to provide the needed energy to keep pressing the seal faces together.FACE MATERIALS
Mechanical Seals - Face Materials. Mechanical Seals come in a wide range of designs however the most important factor when determining how long a seal is going to MECHANICAL SEAL MANUFACTURERSMECHANICAL SEAL MANUFACTURERSMECHANICAL SEAL MANUFACTURERS USAMECHANICAL SEAL DISTRIBUTORSMECHANICAL SEAL COMPANIESMECHANICAL SEAL SUPPLIERSMECHANICAL SEAL SUPPLIER Mechanical Seals by Industry. There are types of seals that are favored by various industries based on the common characteristics of that industry. For example, the local water plant will use a typical ANSI seal, while refineries will require API seals. Industries likewaste water,
SEAL POTS | MECHANICAL SEAL FLUSH POTS Overview of Seal Pots. If you have reviewed our Mechanical seal pumbing plans you will know in some cases you will need a seal pot to supply clean lubricating fluid to your seal. We provide seal pots to your specifications. Complete in the metallurgy and with the plumbing and elements you require. WHAT IS SHAFT SEALS? This form of lip seal is typical in automotive applications, sealing bearings on any type of equipment, and in some valves and pumps. However the pressure limitation keeps them out of many valves and pumps. O-Rings are often used to seal the shaft or stem in a valve and are very effective at it. The reason they can be used for thisapplication
MIXER AND AGITATOR MECHANICAL SEALSMIXER SEAL REPAIR Mixer and Agitator Seals. Mixers and agitators offer a unique problem for mechanical seals. Because most mixers or agitators are mounted on top or on the side of a vessel the long shaft being used to mix or agitate usually has an issue with run out. TUNGSTEN CARBIDE SEAL FACES Tungsten Carbide - A very versatile seal face like Silicon Carbide. It is very hard like silicon carbide however it is very heavy to the touch, making it easy to distinguish from silicon carbide.INBOARD SEALS
Inboard Mechanical Seals. The term Inboard seals simply refers to seals that are mounted inside of a pumps stuffing box, to a shaft or sleeve and are mounted independently as individual parts. SILICON CARBIDE SEAL FACES FOR MECHANICAL SEALS Overview of Silicon Carbide Seal. Silicon Carbide - Is a bluish-black material created by fusing silica and coke. It is in the same family as Ceramic (due to the Silica), but WHY MECHANICAL SEALS FAIL?CERAMIC MECHANICAL SEAL FACECERAMIC PUMP SEALSCHINA CERAMIC MECHANICAL SEAL FACES Mechanical Seals failures seem to fall into four broad categories. Seal face constantly moves to maintain full face contact with the stationary Seal face. MECHANICAL SEALS FOR PUMPS Every other leak path within the mechanical seal is blocked with the use off a gasket, o-ring, wedge (Rubber, PTFE or Flexible Graphite). The other key aspect of a mechanical pump seal is how to maintain the seal. Springs (single or multiple), a metal bellows or just compressed elastomers are used to provide the needed energy to keep pressing the seal faces together. ELASTOMERS SEAL MATERIALS Ethylene Propylene (EP, EPR, EPDM) - Peroxide cured grades are preferred. -65 F to +300 F . Neoprene - Excellent for sealing refrigeration fluids such as Freon ®. -65 F to +250 F. Aflas - Preferred for combinations of oil and amines or ammonia: sour crude oil, sour gas, refrigeration. -20 F to +400 F (excursions to +600). Viton Temperature Limit: -15 F- 350 F (constant) 400 F (intermittent CERAMIC SEAL MATERIALS Ceramic Seal faces for Mechanical Seals - Engineered cartridge seals. Single spring mechanical pump seals, multipule springs, metal bellows in both in-line and cartridge seals. PTFE SEALS FOR PUMPS PTFE Mechanical Seals. Mechanical seals often need to be used in chemical applications. When confronted with some harsh chemicals, mechanical seals containing elastomers made of Viton, Kalrez or Chemrez can't hold up. SILICON CARBIDE SEAL FACES FOR MECHANICAL SEALS Overview of Silicon Carbide Seal. Silicon Carbide - Is a bluish-black material created by fusing silica and coke. It is in the same family as Ceramic (due to the Silica), butOUTBOARD SEALS
Outboard Seals. If an extremely corrosive liquid has satisfactory lubricating properties, an outside mechanical seal offers an economical alternative to the expensive metallurgies required for an inside seal to resist corrosion. SPECIFYING MECHANICAL SEALS FOR ROTATING PUMP SHAFTS Specifying Mechanical Seals. Mechanical seals have become increasingly popular in industry. Many companies develop a set of mechanical seal specifications to make it easier for their people to select one or more seals for an application.METAL COMPONENTS
Metal Components - 316 stainless steel can usually be specified for seal components when any grade of stainless steel is acceptable.SEAL WATER METERS
The Seal Water Meter is designed for applications where uninterrupted seal water flow is required. DOUBLE CARTRIDGE MECHANICAL SEALS FOR PUMPS Mechanical Seals - Double Cartridge . A double cartridge type mechanical seal is a pre-assembled package of seal components (including 4 seal faces) making installation much easier with fewer points for potential installation errors to occur.* Home
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MECHANICAL SEALS
A MECHANICAL SEAL is a very effective device. Every centrifugal pump must accommodate a spinning shaft while mechanically maintaining fluid or gas contained in the “wet end” of the pump. Mechanical seals consists primarily of a rotary seal face with a driving mechanism which rotates at the same speed as the pump shaft, a stationary seal face which mates with the rotary and is retained using a gland or in some pump models an integral stuffing box cover, a tension assembly (utillizing springs or a metal bellows) keeps the rotary face firmly positioned against the stationary face preventing, excluding, and containing contamination and leakage, both when the pump is not in operation and when the pump shaft is rotating. Static sealing gaskets, orings or elastomeric bellows are strategically located to completethe seal assembly.
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HOW DO MECHANICAL SEALS WORK? At the heart of why a mechanical seal works lies the rotating and stationary seal faces. Seal faces are lapped so flat it is impossible for a liquid or gas to flow through them. This allows for a shaft to spin, while a seal is being maintained mechanically. What determines the amount of time a seal will last is selecting the right seal material combination for the application. Hard seal faces for abrasive service, Carbon Vs. Ceramic for simple water (or anti-freeze in the case of automotive applications). Carbon Vs. Silicon Carbide for most applications to reduce energy consumption and provide long life. For critical applications double mechanical seals are usually recommended.PTFE SEALS
SPLIT SEALS
MIXER SEALS
TANDEM SEALS
INBOARD SEALS
IN-LINE SEALS
Every other leak path within the MECHANICAL SEAL is blocked with the use off a gasket, o-ring, wedge (Rubber, PTFE or Flexible Graphite). The other key aspect of a mechanical pump seal is how to maintain the seal. Springs (single or multiple), a metal bellows or just compressed elastomers are used to provide the needed energy to keep pressing the seal faces together. The load the seal faces receive are engineered into the design of the seal. The choice of what is the best depends on the temperature, and nature of what is being sealed (viscosity, abrasiveness, weight (is it a slurry?)). MECHANICAL SEALS are engineered for most pumps, mixer and agitator applications in maintenance. In many cases the designs have been proven to be workhorses over years of use. In others seals must be designed for evolving industrial demands. The basic rotating face mechanical seal design is adaptable to serve a wide range of sealing applications including compressors. Standard mechanical seals can suit most requirements to temperatures of 500 degrees F and shaft speeds to 3600 RPM. The selection of secondary seal type often determines the temperature and chemical capabilities of the seal. The combination of materials used in the rotating and stationary faces define the abrasive resistance, and chemical resistance. Seal face combinations will also determine the amount of energy consumed by the pump, mixer, agitator or compressor. Seal faces can be balanced to permit higher pressure sealing. Balanced seals can seal pressures above 200 psi, or used in a multiple stages for higher pressures or especially severe fluid services. Special mechanical seals can be furnished to meet the most demanding of industrial applications considering pressure, temperature, speed or fluid. FEATURES OF MECHANICAL SEALS: ADVANCED AND SPECIAL FEATURES * Invisible leakage (vapor only) * Requires less energy than packing * Seals a pumps shaft while allowing it to rotate * Minimal wear on the shafts or sleeves * Some designs accommodate shaft deflections and "End Play" * No periodic maintenance * Up to 20 year life spanCARTRIDGE SEALS
CARTRIDGE SEALS
Cartridge Seals are pre-assembled package of MECHANICAL SEAL components making installation much easier with fewer points for potential mechanical pump seal installation errors to occur.Read More
SEAL POTS
SEAL POTS
Mechanical seals occasionally require a seal pot to provide a buffer fluid for your double cartridge seals. Seal pots can not only provide a lubricating buffer, but they can also heat or cool the barrier fluidthey contain.
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SEAL DETAILS
SINGLE SPRING MECHANICAL SEALS __ Single spring mechanical seals have the springs coiled in a right of left hand design. The purpose it to prevent unwinding of the spring since pumps can be designed to turn left or right. While some Mechanical seals designs provide for added flexibility to accommodate shaft run out. The rule of thumb is a mechanical seal should have no more than .003" of run out per inch of shaft. On a two inch pump shaft, .006" would be there permissible run out. Misalignment, shaft deflection, and break away shock loading can all damage a mechanical seal. and should be considered prior ro ordering the seal. Single spring seals resists clogging and are commonly used in waste waterapplications.
Mechanical seals utilize 3 component parts: * 1) Seal faces: one that rotates with the pump shaft and one thatremains stationary.
* 2) Secondary seals - Which includes Gaskets, o-rings, rubber bellows, PTFE or Flexible Graphite wedge or V-Rings. * 3) The hardware that connects Mechanical Seals into a single rotary piece which has the following hardware gland rings, lock collars, compression rings, set screws, pins, springs, retaining rings/clips and bellows. Cartridge Seals are more complicated and include a sleeve and gland. CARTRIDGE MECHANICAL SEALS __ Cartridge seals are by far the easiest seal to install. It requires sliding the gland over the shaft, tightening the gland bolts, using an allen wrench to tighten the set screws to the pump shaft, and removing the setting clips. The purpose of the setting clips is make sure the seal faces are locked into position on the shaft that provides enough force to maintain a seal, but not too much force that would cause premature wear. The cartridge seal cannot be miss installed. 50% of seal failures are caused by Cartridge seals are by far the easiest seal to install. It requires sliding the gland over the shaft, tightening the gland bolts, using an allen wrench to tighten the set screws to the pump shaft, and removing the setting clips. The purpose of the setting clips is make sure the seal faces are locked into position on the shaft that provides enough force to maintain a seal, but not too much force that would cause premature wear. The cartridge seal cannot be miss installed. 50% of seal failures are caused by miss-installation. Cartridge seals nearly eliminate miss-installation (cartridge seals can still be dropped while being installed, causingfailure).
Cartridge seals must fit the stuffing box there is a form Seal Application Data Formto help the
make sure the mechanical cartridge seal fits the pump. You can also order our cartridge seals on line.
Installation of other seal types such as single spring, multiple spring seals, and metal bellows require a careful calculation to assure the seal is placed in the correct position on the shaft. Over compression of the seal will prematurely wear it, while under compression can permit leakage or not seal at all. When installed properly, in the right application, seals often run for as long as 20 years. Mechanical seal life spans will vary greatly depending on the application. Fo help, ask your American Seal & Packing sales representative for installation directions. MECHANICAL SEALS CAN BE CLASSIFIED BY ARRANGEMENT __ A mechanical seal works by having two very flat (generally within 2-3 light bands flat) lapped flat faces. This allows a shaft to turn while maintaining a seal. It is very difficult for leakage to occur (beyond a vapor) if installed properly and in good condition. As mentioned above one face is stationary and one rotates with the shaft. One of the two faces is often a non-galling material such as carbon-graphite. The other face will be a harder material (or have a different lapped surface) providing dissimilar materials (or dissimilar surface) making contact and allowing one to be a sacrificial. The softer mechanical seal face usually has the smaller mating surface and is commonly called the "wear nose" of the mechanical Seal. In the case where abrasives are being sealed, two hard faces are used TC vs. SIC or even TC vs. TC or SIC vs. SIC This works as long as the surfaces are lapped differently (mirror finish vs. matt finish). MECHANICAL SEALS CAN BE CLASSIFIED BY DESIGN __ The Easiest seal to install as a replacement for pump packing is a cartridge type mechanical seal: The Beauty of cartridge seals are they are self-contained. Holding all the elements of a mechanical seal set:*Rotating Face Seal
*Stationary Seal face or faces*Shaft sleeve
*Gland
RECENT SEAL NEWS
25
JANUARY
CARTRIDGE SEALS - IN STOCK We have placed into inventory ANSI standard cartridge seals which we offer at exceptional prices.14
MARCH
METAL BELLOWS SEALS
We offer both General Service Metal Bellows seals, and Hastalloy orAM350 bellows.
CONTACT US
Let us know how we can serve you better, what you would like to see, or how you feel we can improve our site. Your input is appreciated.CONTACT ADDRESS
* 1537 E McFadden Ave - A, * Santa Ana, California, USA 92705HOTLINE
* 714-361-1435
* 714-593-9701
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