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 r...

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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:

$254.72$415.20

Regular Price: $415.20, you save $160.48 (39%)
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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:

$203.43$331.61

Regular Price: $331.61, you save $128.18 (39%)
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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:

$255.27$416.11

Regular Price: $416.11, you save $160.84 (39%)
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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:

$254.72$415.20

Regular Price: $415.20, you save $160.48 (39%)
Loginto your account
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:

$254.72$415.20

Regular Price: $415.20, you save $160.48 (39%)
Loginto your account
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:

$203.43$331.61

Regular Price: $331.61, you save $128.18 (39%)
Loginto your account
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:

$122.98$200.44

Regular Price: $200.44, you save $77.46 (39%)
Loginto your account
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:

$203.43$331.61

Regular Price: $331.61, you save $128.18 (39%)
Loginto your account
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:

$142.81$171.35

Regular Price: $171.35, you save $28.54 (17%)
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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:

$254.72$415.20

Regular Price: $415.20, you save $160.48 (39%)
Loginto your account
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:

$203.43$331.61

Regular Price: $331.61, you save $128.18 (39%)
Loginto your account
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:

$255.27$416.11

Regular Price: $416.11, you save $160.84 (39%)
Loginto your account
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:

$254.72$415.20

Regular Price: $415.20, you save $160.48 (39%)
Loginto your account
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:

$254.72$415.20

Regular Price: $415.20, you save $160.48 (39%)
Loginto your account
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:

$203.43$331.61

Regular Price: $331.61, you save $128.18 (39%)
Loginto your account
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:

$122.98$200.44

Regular Price: $200.44, you save $77.46 (39%)
Loginto your account
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:

$203.43$331.61

Regular Price: $331.61, you save $128.18 (39%)
Loginto your account
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:

$142.81$171.35

Regular Price: $171.35, you save $28.54 (17%)
Loginto your account