Type 20 Front Flush, Non-Replaceable Diaphragm Seals On NOSHOK, Inc.

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Designed for applications requiring an NPT male threaded process connection and with a flush diaphragm
Flush diaphragm construction prevents clogging and process material build-up
Constructed with a 316 Stainless Steel housing and diaphragm for strength and durability
Available instrument connection sizes are 1/4” and 1/2" with a process connection size of 1/2" NPT male to 2" NPT male

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Part Number	Description	Instrument Connection Size	Process Connection Size	Diaphragm Material	Pressure [Min] for Gauges 2-1/2 to 4-1/2 in. Size

20-02S-S-04	N/A 1/4" National Pipe Thread (NPT) Instrument Connection, 316 Stainless Steel, 1/2" National Pipe Thread (NPT) Male Process Connection Type 20 Seal w/ 316 Stainless Steel Diaphragm	N/A 1/4 in	N/A 1/2 in	N/A 316 Stainless Steel	N/A 1/2 psig
20-02S-S-06	N/A 1/4" National Pipe Thread (NPT) Instrument Connection, 316 Stainless Steel, 3/4" National Pipe Thread (NPT) Male Process Connection Type 20 Seal w/ 316 Stainless Steel Diaphragm	N/A 1/4 in	N/A 3/4 in	N/A 316 Stainless Steel	N/A 3/4 psig
20-04S-S-04	N/A 1/2" National Pipe Thread (NPT) Instrument Connection, 316 Stainless Steel, 1/2" National Pipe Thread (NPT) Male Process Connection Type 20 Seal w/ 316 Stainless Steel Diaphragm	N/A 1/2 in	N/A 1/2 in	N/A 316 Stainless Steel	N/A 1/2 psig
20-04S-S-16	N/A 1/2" National Pipe Thread (NPT) Instrument Connection, 316 Stainless Steel, 2" National Pipe Thread (NPT) Male Process Connection Type 20 Seal w/ 316 Stainless Steel Diaphragm	N/A 1/2 in	N/A 2 in	N/A 316 Stainless Steel	N/A 2 psig

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