Type 25/25H Standard and Elevated Pressure, Non-Replaceable Diaphragm Seals On NOSHOK, Inc.

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Designed to isolate the pressure measuring instrument from corrosive or viscous process media
Utilize an all welded, all metallic housing design to eliminate potential leak paths
For use with gauges with dial sizes of 2-1/2" and smaller, and pressure ranges no less than 100 psig
Housing and diaphragm offered in a variety of materials to suit most applications
A flushing port is available to clean wetted areas and prevent process media build up

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Part Number	Description	Instrument Connection Size	Diaphragm Material	Process Connection Size	Pressure [Max] for Transducers

25-02S-S-02S	N/A 1/4" National Pipe Thread (NPT) Instrument Connection, 316 Stainless Steel, 1/4" National Pipe Thread (NPT) Process Connection, 316 Stainless Steel Type 25 Seal with 316 Stainless Steel Diaphragm	N/A 1/4 in	N/A 316 Stainless Steel	N/A 1/4 in	N/A 0 to 2,500 psig
25-02S-S-02S-1F	N/A 1/4" National Pipe Thread (NPT) Instrument Connection, 316 Stainless Steel, 1/4" National Pipe Thread (NPT) Process Connection, 316 Stainless Steel, 1/8" National Pipe Thread (NPT) Flushing Connection Type 25 Seal with 316 Stainless Steel Diaphragm	N/A 1/4 in	N/A 316 Stainless Steel	N/A 1/4 in	N/A 0 to 2,500 psig
25-02S-S-04S	N/A 1/4" National Pipe Thread (NPT) Instrument Connection, 316 Stainless Steel, 1/2" National Pipe Thread (NPT) Process Connection, 316 Stainless Steel Type 25 Seal with 316 Stainless Steel Diaphragm	N/A 1/4 in	N/A 316 Stainless Steel	N/A 1/2 in	N/A 0 to 2,500 psig
25H-02S-S-02S	N/A 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	N/A 1/4 in	N/A 316 Stainless Steel	N/A 1/4 in	N/A 0 to 2,500 psig

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