Seals

Industrial seals are used to prevent air and fluid leaks, maintain pressure and deflect contamination between two components by creating a tight enclosure. The type of seal used depends on the surface of the compon...

Categories in Seals - High-Quality Solutions for Integrity and Efficiency (4)
Diaphragm Seals

Diaphragm seals are devices that seal pressure transmitters to prevent process fluid from coming into contact with the inner workings of the transmitter. Centro's diaphragm seals are made from high-quality rubber resistant to wear and tear. They are available in various sizes to fit most pressure transmitters. Centro carries a complete selection of diaphragm seals available to purchase online. In addition, Centro offers a wide range of accessories for diaphragm seals, including replacement diaphragms, o-rings, and mounting brackets. Whether you need a single diaphragm seal or a complete Diaphragm Seal kit, Centro has the products to keep your pressure transmitter working correctly.

Seal Accessories

At Centro, we carry a complete selection of seal accessories for all your needs. Industrial seals are designed to create a tight, leak-proof seal between two surfaces. Industrial seals are designed to create a tight, leak-proof seal between two surfaces. Hydraulic cylinder seals are designed to prevent leaks in hydraulic cylinders, which are used to power a variety of machinery and equipment. Piston seals are designed to prevent leaks in pistons, which are used to pump fluids through a system. O-ring seals are designed to create a tight, leak-proof seal between two surfaces. Rod seals are designed to prevent leaks in rods, which are used to connect hydraulic cylinders to pumps. We have hydraulic cylinder seals, piston seals, rod seals, and O-ring seals in various sizes and materials. We also have a wide selection of sealant compounds and Seal Kits. Whether you need a new Seal Kit for your excavator or a replacement O-Ring Seal for your loader, we have the right product for the job. We only carry the highest quality products from the leading manufacturers in the industry, so you can be sure you're getting the best possible value for your money. Please browse our website today to see our complete selection of seal accessories.

Isolation Rings

Isolation rings, also known as isolation mounts or isolation pads, are essential components used to prevent the transfer of vibrations and shocks between interconnected machinery or equipment. These rings are typically made of resilient materials like rubber, neoprene, or silicone, and are designed to absorb and dampen vibrations generated by rotating or moving equipment. By creating a barrier between the equipment and its surroundings, isolation rings effectively reduce noise, protect sensitive machinery from damage, and improve overall system performance. They find widespread applications in various industries, including manufacturing, automotive, aerospace, and electronics, where precision and stability are crucial. Isolation rings play a critical role in maintaining smooth and efficient operations while ensuring the longevity of equipment and machinery.

O-Rings

Centro is your premier destination for top-tier industrial solutions, and our O-rings collection is a testament to our commitment to quality and performance. Explore a comprehensive array of meticulously engineered O-rings, crafted from durable materials and precision-molded for reliability in various applications. Whether you require standard sizes or bespoke configurations, Centro provides a diverse range of O-rings to meet your specific needs. Our website offers comprehensive insights into specifications, technical details, and practical applications, empowering you with the knowledge necessary to make informed decisions for your industrial sealing requirements. Count on Centro for excellence in O-Ring solutions, delivering unparalleled reliability and sealing precision for your operations.

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1/2" National Pipe Thread (NPT) Instrument Connection, 316 Stainless Steel Type 12 Diaphragm Seal with 316 Stainless Steel Diaphragm and 1-1/2" Sanitary Pipe
MPN:12-04S-S-12
Features a flush mount diaphragm and all welded construction, ideal for food & beverage, pharmaceutical and sanitary marketsCan be used for remote mounting of pressure instrument(s) with capillary, see options & accessories belowWetted parts and all welded housing are constructed of 316 Stainless Steel for greater strength and durabilityAccommodates process connection pipes from 1-1/2" through 3" sizesClamped connection allows ease of installation and removal of seal for maintenance and cleaning
Features a flush mount diaphragm and all welded construction, ideal for food & beverage, pharmaceutical and sanitary marketsCan be used for remote mounting of pressure instrument(s) with capillary, see options & accessories belowWetted parts and all welded housing are constructed of 316 Stainless Steel for greater strength and durabilityAccommodates process connection pipes from 1-1/2" through 3" sizesClamped connection allows ease of installation and removal of seal for maintenance and cleaning
Sale Price:

$286.33$415.20

Regular Price: $415.20, you save $128.87 (31%)
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Low Stock (4) Ships within 1 business day
1/2" National Pipe Thread (NPT) Instrument Connection, 316 Stainless Steel, 1/2" National Pipe Thread (NPT) Male Process Connection Type 20 Seal with 316 Stainless Steel Diaphragm
MPN:20-04S-S-04
Designed for applications requiring an NPT male threaded process connection and with a flush diaphragmFlush diaphragm construction prevents clogging and process material build-upConstructed with a 316 Stainless Steel housing and diaphragm for strength and durabilityAvailable instrument connection sizes are 1/4” and 1/2" with a process connection size of 1/2" NPT male to 2" NPT male
Designed for applications requiring an NPT male threaded process connection and with a flush diaphragmFlush diaphragm construction prevents clogging and process material build-upConstructed with a 316 Stainless Steel housing and diaphragm for strength and durabilityAvailable instrument connection sizes are 1/4” and 1/2" with a process connection size of 1/2" NPT male to 2" NPT male
Sale Price:

$228.68$331.61

Regular Price: $331.61, you save $102.93 (31%)
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Typically ships within 3-5 business days

Subject to factory lead times

1/2" National Pipe Thread (NPT) Instrument Connection, 316 Stainless Steel, 2" National Pipe Thread (NPT) Male Process Connection Type 20 Seal with 316 Stainless Steel Diaphragm
MPN:20-04S-S-16
Designed for applications requiring an NPT male threaded process connection and with a flush diaphragmFlush diaphragm construction prevents clogging and process material build-upConstructed with a 316 Stainless Steel housing and diaphragm for strength and durabilityAvailable instrument connection sizes are 1/4” and 1/2" with a process connection size of 1/2" NPT male to 2" NPT male
Designed for applications requiring an NPT male threaded process connection and with a flush diaphragmFlush diaphragm construction prevents clogging and process material build-upConstructed with a 316 Stainless Steel housing and diaphragm for strength and durabilityAvailable instrument connection sizes are 1/4” and 1/2" with a process connection size of 1/2" NPT male to 2" NPT male
Sale Price:

$286.95$416.11

Regular Price: $416.11, you save $129.16 (31%)
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Typically ships within 3-5 business days

Subject to factory lead times

1/4" National Pipe Thread (NPT) Instrument Connection, 316 Stainless Steel Type 12 Diaphragm Seal with 316 Stainless Steel Diaphragm and 1-1/2" Sanitary Pipe
MPN:12-02S-S-12
Features a flush mount diaphragm and all welded construction, ideal for food & beverage, pharmaceutical and sanitary marketsCan be used for remote mounting of pressure instrument(s) with capillary, see options & accessories belowWetted parts and all welded housing are constructed of 316 Stainless Steel for greater strength and durabilityAccommodates process connection pipes from 1-1/2" through 3" sizesClamped connection allows ease of installation and removal of seal for maintenance and cleaning
Features a flush mount diaphragm and all welded construction, ideal for food & beverage, pharmaceutical and sanitary marketsCan be used for remote mounting of pressure instrument(s) with capillary, see options & accessories belowWetted parts and all welded housing are constructed of 316 Stainless Steel for greater strength and durabilityAccommodates process connection pipes from 1-1/2" through 3" sizesClamped connection allows ease of installation and removal of seal for maintenance and cleaning
Sale Price:

$286.33$415.20

Regular Price: $415.20, you save $128.87 (31%)
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In Stock (22) Ships within 1 business day
1/4" National Pipe Thread (NPT) Instrument Connection, 316 Stainless Steel Type 12 Diaphragm Seal with 316 Stainless Steel Diaphragm and 2" Sanitary Pipe
MPN:12-02S-S-16
Features a flush mount diaphragm and all welded construction, ideal for food & beverage, pharmaceutical and sanitary marketsCan be used for remote mounting of pressure instrument(s) with capillary, see options & accessories belowWetted parts and all welded housing are constructed of 316 Stainless Steel for greater strength and durabilityAccommodates process connection pipes from 1-1/2" through 3" sizesClamped connection allows ease of installation and removal of seal for maintenance and cleaning
Features a flush mount diaphragm and all welded construction, ideal for food & beverage, pharmaceutical and sanitary marketsCan be used for remote mounting of pressure instrument(s) with capillary, see options & accessories belowWetted parts and all welded housing are constructed of 316 Stainless Steel for greater strength and durabilityAccommodates process connection pipes from 1-1/2" through 3" sizesClamped connection allows ease of installation and removal of seal for maintenance and cleaning
Sale Price:

$286.33$415.20

Regular Price: $415.20, you save $128.87 (31%)
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Low Stock (5) Ships within 1 business day
1/4" National Pipe Thread (NPT) Instrument Connection, 316 Stainless Steel, 1/2" National Pipe Thread (NPT) Male Process Connection Type 20 Seal with 316 Stainless Steel Diaphragm
MPN:20-02S-S-04
Designed for applications requiring an NPT male threaded process connection and with a flush diaphragmFlush diaphragm construction prevents clogging and process material build-upConstructed with a 316 Stainless Steel housing and diaphragm for strength and durabilityAvailable instrument connection sizes are 1/4” and 1/2" with a process connection size of 1/2" NPT male to 2" NPT male
Designed for applications requiring an NPT male threaded process connection and with a flush diaphragmFlush diaphragm construction prevents clogging and process material build-upConstructed with a 316 Stainless Steel housing and diaphragm for strength and durabilityAvailable instrument connection sizes are 1/4” and 1/2" with a process connection size of 1/2" NPT male to 2" NPT male
Sale Price:

$228.68$331.61

Regular Price: $331.61, you save $102.93 (31%)
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Typically ships within 3-5 business days

Subject to factory lead times

1/4" National Pipe Thread (NPT) Instrument Connection, 316 Stainless Steel, 1/4" National Pipe Thread (NPT) Process Connection, 316 Stainless Steel Type 25H Seal with 316 Stainless Steel Diaphragm
MPN:25H-02S-S-02S
Designed to isolate the pressure measuring instrument from corrosive or viscous process mediaUtilize an all welded, all metallic housing design to eliminate potential leak pathsFor use with gauges with dial sizes of 2-1/2" and smaller, and pressure ranges no less than 100 psigHousing and diaphragm offered in a variety of materials to suit most applicationsA flushing port is available to clean wetted areas and prevent process media build up
Designed to isolate the pressure measuring instrument from corrosive or viscous process mediaUtilize an all welded, all metallic housing design to eliminate potential leak pathsFor use with gauges with dial sizes of 2-1/2" and smaller, and pressure ranges no less than 100 psigHousing and diaphragm offered in a variety of materials to suit most applicationsA flushing port is available to clean wetted areas and prevent process media build up
Sale Price:

$138.24$200.44

Regular Price: $200.44, you save $62.20 (31%)
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In Stock (19) Ships within 1 business day
1/4" National Pipe Thread (NPT) Instrument Connection, 316 Stainless Steel, 3/4" National Pipe Thread (NPT) Male Process Connection Type 20 Seal with 316 Stainless Steel Diaphragm
MPN:20-02S-S-06
Designed for applications requiring an NPT male threaded process connection and with a flush diaphragmFlush diaphragm construction prevents clogging and process material build-upConstructed with a 316 Stainless Steel housing and diaphragm for strength and durabilityAvailable instrument connection sizes are 1/4” and 1/2" with a process connection size of 1/2" NPT male to 2" NPT male
Designed for applications requiring an NPT male threaded process connection and with a flush diaphragmFlush diaphragm construction prevents clogging and process material build-upConstructed with a 316 Stainless Steel housing and diaphragm for strength and durabilityAvailable instrument connection sizes are 1/4” and 1/2" with a process connection size of 1/2" NPT male to 2" NPT male
Sale Price:

$228.68$331.61

Regular Price: $331.61, you save $102.93 (31%)
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Low Stock (3) Ships within 1 business day
1/4" X 1/2" CPVC Gauge Guard w/FPM diaphragm
MPN:GG225X50
GG Series guards are available in PVC, CPVC, PP and PVDF. All guards have an FPM diaphragm. Gauges are offered in 0 to 30 PSI, 0 to 60 PSI, 0 to 160 PSI, and a stainless steel gauge of 0 to 160 PSI. Gauges and guards can be separate or mounted together.
GG Series guards are available in PVC, CPVC, PP and PVDF. All guards have an FPM diaphragm. Gauges are offered in 0 to 30 PSI, 0 to 60 PSI, 0 to 160 PSI, and a stainless steel gauge of 0 to 160 PSI. Gauges and guards can be separate or mounted together.
Sale Price:

$174.93$188.90

Regular Price: $188.90, you save $13.97 (7%)
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Typically ships within 7-10 business days

Subject to factory lead times

1/2" National Pipe Thread (NPT) Instrument Connection, 316 Stainless Steel Type 12 Diaphragm Seal with 316 Stainless Steel Diaphragm and 1-1/2" Sanitary Pipe
MPN:12-04S-S-12
Features a flush mount diaphragm and all welded construction, ideal for food & beverage, pharmaceutical and sanitary marketsCan be used for remote mounting of pressure instrument(s) with capillary, see options & accessories belowWetted parts and all welded housing are constructed of 316 Stainless Steel for greater strength and durabilityAccommodates process connection pipes from 1-1/2" through 3" sizesClamped connection allows ease of installation and removal of seal for maintenance and cleaning
Features a flush mount diaphragm and all welded construction, ideal for food & beverage, pharmaceutical and sanitary marketsCan be used for remote mounting of pressure instrument(s) with capillary, see options & accessories belowWetted parts and all welded housing are constructed of 316 Stainless Steel for greater strength and durabilityAccommodates process connection pipes from 1-1/2" through 3" sizesClamped connection allows ease of installation and removal of seal for maintenance and cleaning
Sale Price:

$286.33$415.20

Regular Price: $415.20, you save $128.87 (31%)
Loginto your account
Low Stock (4) Ships within 1 business day
1/2" National Pipe Thread (NPT) Instrument Connection, 316 Stainless Steel, 1/2" National Pipe Thread (NPT) Male Process Connection Type 20 Seal with 316 Stainless Steel Diaphragm
MPN:20-04S-S-04
Designed for applications requiring an NPT male threaded process connection and with a flush diaphragmFlush diaphragm construction prevents clogging and process material build-upConstructed with a 316 Stainless Steel housing and diaphragm for strength and durabilityAvailable instrument connection sizes are 1/4” and 1/2" with a process connection size of 1/2" NPT male to 2" NPT male
Designed for applications requiring an NPT male threaded process connection and with a flush diaphragmFlush diaphragm construction prevents clogging and process material build-upConstructed with a 316 Stainless Steel housing and diaphragm for strength and durabilityAvailable instrument connection sizes are 1/4” and 1/2" with a process connection size of 1/2" NPT male to 2" NPT male
Sale Price:

$228.68$331.61

Regular Price: $331.61, you save $102.93 (31%)
Loginto your account
Typically ships within 3-5 business days

Subject to factory lead times

1/2" National Pipe Thread (NPT) Instrument Connection, 316 Stainless Steel, 2" National Pipe Thread (NPT) Male Process Connection Type 20 Seal with 316 Stainless Steel Diaphragm
MPN:20-04S-S-16
Designed for applications requiring an NPT male threaded process connection and with a flush diaphragmFlush diaphragm construction prevents clogging and process material build-upConstructed with a 316 Stainless Steel housing and diaphragm for strength and durabilityAvailable instrument connection sizes are 1/4” and 1/2" with a process connection size of 1/2" NPT male to 2" NPT male
Designed for applications requiring an NPT male threaded process connection and with a flush diaphragmFlush diaphragm construction prevents clogging and process material build-upConstructed with a 316 Stainless Steel housing and diaphragm for strength and durabilityAvailable instrument connection sizes are 1/4” and 1/2" with a process connection size of 1/2" NPT male to 2" NPT male
Sale Price:

$286.95$416.11

Regular Price: $416.11, you save $129.16 (31%)
Loginto your account
Typically ships within 3-5 business days

Subject to factory lead times

1/4" National Pipe Thread (NPT) Instrument Connection, 316 Stainless Steel Type 12 Diaphragm Seal with 316 Stainless Steel Diaphragm and 1-1/2" Sanitary Pipe
MPN:12-02S-S-12
Features a flush mount diaphragm and all welded construction, ideal for food & beverage, pharmaceutical and sanitary marketsCan be used for remote mounting of pressure instrument(s) with capillary, see options & accessories belowWetted parts and all welded housing are constructed of 316 Stainless Steel for greater strength and durabilityAccommodates process connection pipes from 1-1/2" through 3" sizesClamped connection allows ease of installation and removal of seal for maintenance and cleaning
Features a flush mount diaphragm and all welded construction, ideal for food & beverage, pharmaceutical and sanitary marketsCan be used for remote mounting of pressure instrument(s) with capillary, see options & accessories belowWetted parts and all welded housing are constructed of 316 Stainless Steel for greater strength and durabilityAccommodates process connection pipes from 1-1/2" through 3" sizesClamped connection allows ease of installation and removal of seal for maintenance and cleaning
Sale Price:

$286.33$415.20

Regular Price: $415.20, you save $128.87 (31%)
Loginto your account
In Stock (22) Ships within 1 business day
1/4" National Pipe Thread (NPT) Instrument Connection, 316 Stainless Steel Type 12 Diaphragm Seal with 316 Stainless Steel Diaphragm and 2" Sanitary Pipe
MPN:12-02S-S-16
Features a flush mount diaphragm and all welded construction, ideal for food & beverage, pharmaceutical and sanitary marketsCan be used for remote mounting of pressure instrument(s) with capillary, see options & accessories belowWetted parts and all welded housing are constructed of 316 Stainless Steel for greater strength and durabilityAccommodates process connection pipes from 1-1/2" through 3" sizesClamped connection allows ease of installation and removal of seal for maintenance and cleaning
Features a flush mount diaphragm and all welded construction, ideal for food & beverage, pharmaceutical and sanitary marketsCan be used for remote mounting of pressure instrument(s) with capillary, see options & accessories belowWetted parts and all welded housing are constructed of 316 Stainless Steel for greater strength and durabilityAccommodates process connection pipes from 1-1/2" through 3" sizesClamped connection allows ease of installation and removal of seal for maintenance and cleaning
Sale Price:

$286.33$415.20

Regular Price: $415.20, you save $128.87 (31%)
Loginto your account
Low Stock (5) Ships within 1 business day
1/4" National Pipe Thread (NPT) Instrument Connection, 316 Stainless Steel, 1/2" National Pipe Thread (NPT) Male Process Connection Type 20 Seal with 316 Stainless Steel Diaphragm
MPN:20-02S-S-04
Designed for applications requiring an NPT male threaded process connection and with a flush diaphragmFlush diaphragm construction prevents clogging and process material build-upConstructed with a 316 Stainless Steel housing and diaphragm for strength and durabilityAvailable instrument connection sizes are 1/4” and 1/2" with a process connection size of 1/2" NPT male to 2" NPT male
Designed for applications requiring an NPT male threaded process connection and with a flush diaphragmFlush diaphragm construction prevents clogging and process material build-upConstructed with a 316 Stainless Steel housing and diaphragm for strength and durabilityAvailable instrument connection sizes are 1/4” and 1/2" with a process connection size of 1/2" NPT male to 2" NPT male
Sale Price:

$228.68$331.61

Regular Price: $331.61, you save $102.93 (31%)
Loginto your account
Typically ships within 3-5 business days

Subject to factory lead times

1/4" National Pipe Thread (NPT) Instrument Connection, 316 Stainless Steel, 1/4" National Pipe Thread (NPT) Process Connection, 316 Stainless Steel Type 25H Seal with 316 Stainless Steel Diaphragm
MPN:25H-02S-S-02S
Designed to isolate the pressure measuring instrument from corrosive or viscous process mediaUtilize an all welded, all metallic housing design to eliminate potential leak pathsFor use with gauges with dial sizes of 2-1/2" and smaller, and pressure ranges no less than 100 psigHousing and diaphragm offered in a variety of materials to suit most applicationsA flushing port is available to clean wetted areas and prevent process media build up
Designed to isolate the pressure measuring instrument from corrosive or viscous process mediaUtilize an all welded, all metallic housing design to eliminate potential leak pathsFor use with gauges with dial sizes of 2-1/2" and smaller, and pressure ranges no less than 100 psigHousing and diaphragm offered in a variety of materials to suit most applicationsA flushing port is available to clean wetted areas and prevent process media build up
Sale Price:

$138.24$200.44

Regular Price: $200.44, you save $62.20 (31%)
Loginto your account
In Stock (19) Ships within 1 business day
1/4" National Pipe Thread (NPT) Instrument Connection, 316 Stainless Steel, 3/4" National Pipe Thread (NPT) Male Process Connection Type 20 Seal with 316 Stainless Steel Diaphragm
MPN:20-02S-S-06
Designed for applications requiring an NPT male threaded process connection and with a flush diaphragmFlush diaphragm construction prevents clogging and process material build-upConstructed with a 316 Stainless Steel housing and diaphragm for strength and durabilityAvailable instrument connection sizes are 1/4” and 1/2" with a process connection size of 1/2" NPT male to 2" NPT male
Designed for applications requiring an NPT male threaded process connection and with a flush diaphragmFlush diaphragm construction prevents clogging and process material build-upConstructed with a 316 Stainless Steel housing and diaphragm for strength and durabilityAvailable instrument connection sizes are 1/4” and 1/2" with a process connection size of 1/2" NPT male to 2" NPT male
Sale Price:

$228.68$331.61

Regular Price: $331.61, you save $102.93 (31%)
Loginto your account
Low Stock (3) Ships within 1 business day
1/4" X 1/2" CPVC Gauge Guard w/FPM diaphragm
MPN:GG225X50
GG Series guards are available in PVC, CPVC, PP and PVDF. All guards have an FPM diaphragm. Gauges are offered in 0 to 30 PSI, 0 to 60 PSI, 0 to 160 PSI, and a stainless steel gauge of 0 to 160 PSI. Gauges and guards can be separate or mounted together.
GG Series guards are available in PVC, CPVC, PP and PVDF. All guards have an FPM diaphragm. Gauges are offered in 0 to 30 PSI, 0 to 60 PSI, 0 to 160 PSI, and a stainless steel gauge of 0 to 160 PSI. Gauges and guards can be separate or mounted together.
Sale Price:

$174.93$188.90

Regular Price: $188.90, you save $13.97 (7%)
Loginto your account
Typically ships within 7-10 business days

Subject to factory lead times