Type 29 High Volumetric Displacement, Non-Replaceable Diaphragm Seals On NOSHOK, Inc.

An off-line seal with a threaded connection and all welded, all metallic housing design that does not utilize an o-ring or gasket
Can be used for remote mounting of pressure instrument(s) with capillary, see options & accessories below
Designed with a larger diameter diaphragm for higher displacement capability
A variety of upper and lower housing and diaphragm materials are available 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

29-02M-M-04M-2F-P	N/A 1/4" National Pipe Thread (NPT) Instrument Connection, Monel 400 Upper Housing and Lower Housing & Diaphragm, 1/2" National Pipe Thread (NPT) Process Connection, 1/4" NPT Flushing Connection, Type 29 Diaphragm Seal	N/A 1/4 in	N/A Monel 400	N/A 1/2 in
29-04M-M-02M	N/A 1/2" National Pipe Thread (NPT) Instrument Connection, Monel 400 Upper Housing and Lower Housing & Diaphragm, 1/4" National Pipe Thread (NPT) Process Connection, Type 29 Diaphragm Seal	N/A 1/2 in	N/A Monel 400	N/A 1/4 in
29-04M-M-02M-1F	N/A 1/2" National Pipe Thread (NPT) Instrument Connection, Monel 400 Upper Housing and Lower Housing & Diaphragm, 1/4" National Pipe Thread (NPT) Process Connection, 1/8" NPT Flushing Connection, Type 29 Diaphragm Seal	N/A 1/2 in	N/A Monel 400	N/A 1/4 in
29-04M-M-02M-1F-P	N/A 1/2" National Pipe Thread (NPT) Instrument Connection, Monel 400 Upper Housing and Lower Housing & Diaphragm, 1/4" National Pipe Thread (NPT) Process Connection, 1/8" NPT Flushing Connection, Type 29 Diaphragm Seal w/ Optional Flush Port	N/A 1/2 in	N/A Monel 400	N/A 1/4 in
29-04M-M-02M-2F	N/A 1/2" National Pipe Thread (NPT) Instrument Connection, Monel 400 Upper Housing and Lower Housing & Diaphragm, 1/4" National Pipe Thread (NPT) Process Connection, 1/4" NPT Flushing Connection, Type 29 Diaphragm Seal	N/A 1/2 in	N/A Monel 400	N/A 1/4 in
29-04M-M-02M-2F-P	N/A 1/2" National Pipe Thread (NPT) Instrument Connection, Monel 400 Upper Housing and Lower Housing & Diaphragm, 1/4" National Pipe Thread (NPT) Process Connection, 1/4" NPT Flushing Connection, Type 29 Diaphragm Seal	N/A 1/2 in	N/A Monel 400	N/A 1/4 in
29-02H-H-02H	N/A 1/4" National Pipe Thread (NPT) Instrument Connection, Hastelloy C-276 Upper Housing and Lower Housing & Diaphragm, 1/4" National Pipe Thread (NPT) Instrument Connection, Type 29 Diaphragm Seal	N/A 1/4 in	N/A Hastelloy C-276	N/A 1/4 in
29-02H-H-02H-1F	N/A 1/4" National Pipe Thread (NPT) Instrument Connection, Hastelloy C-276 Upper Housing and Lower Housing & Diaphragm, 1/4" National Pipe Thread (NPT) Instrument Connection, 1/8" NPT Flushing Connection, Type 29 Diaphragm Seal	N/A 1/4 in	N/A Hastelloy C-276	N/A 1/4 in
29-02H-H-02H-1F-P	N/A 1/4" National Pipe Thread (NPT) Instrument Connection, Hastelloy C-276 Upper Housing and Lower Housing & Diaphragm, 1/4" National Pipe Thread (NPT) Instrument Connection, 1/8" NPT Flushing Connection, Type 29 Diaphragm Seal w/ Optional Flush Port	N/A 1/4 in	N/A Hastelloy C-276	N/A 1/4 in
29-02H-H-02H-2F	N/A 1/4" National Pipe Thread (NPT) Instrument Connection, Hastelloy C-276 Upper Housing and Lower Housing & Diaphragm, 1/4" National Pipe Thread (NPT) Instrument Connection, 1/4" NPT Flushing Connection, Type 29 Diaphragm Seal	N/A 1/4 in	N/A Hastelloy C-276	N/A 1/4 in
29-02H-H-02H-2F-P	N/A 1/4" National Pipe Thread (NPT) Instrument Connection, Hastelloy C-276 Upper Housing and Lower Housing & Diaphragm, 1/4" National Pipe Thread (NPT) Instrument Connection, 1/4" NPT Flushing Connection, Type 29 Diaphragm Seal w/ Optional Flush Port	N/A 1/4 in	N/A Hastelloy C-276	N/A 1/4 in
29-04H-H-04H	N/A 1/2" National Pipe Thread (NPT) Instrument Connection, Hastelloy C-276 Upper Housing and Lower Housing & Diaphragm, 1/2" National Pipe Thread (NPT) Instrument Connection, 1/4" NPT Flushing Connection, Type 29 Diaphragm Seal	N/A 1/2 in	N/A Hastelloy C-276	N/A 1/2 in
29-04H-H-04H-1F	N/A 1/2" National Pipe Thread (NPT) Instrument Connection, Hastelloy C-276 Upper Housing and Lower Housing & Diaphragm, 1/2" National Pipe Thread (NPT) Instrument Connection, 1/8" NPT Flushing Connection, Type 29 Diaphragm Seal	N/A 1/2 in	N/A Hastelloy C-276	N/A 1/2 in
29-04H-H-04H-1F-P	N/A 1/2" National Pipe Thread (NPT) Instrument Connection, Hastelloy C-276 Upper Housing and Lower Housing & Diaphragm, 1/2" National Pipe Thread (NPT) Instrument Connection, 1/8" NPT Flushing Connection, Type 29 Diaphragm Seal w/ Optional Flush Port	N/A 1/2 in	N/A Hastelloy C-276	N/A 1/2 in
29-04H-H-04H-2F	N/A 1/2" National Pipe Thread (NPT) Instrument Connection, Hastelloy C-276 Upper Housing and Lower Housing & Diaphragm, 1/2" National Pipe Thread (NPT) Instrument Connection, 1/4" NPT Flushing Connection, Type 29 Diaphragm Seal	N/A 1/2 in	N/A Hastelloy C-276	N/A 1/2 in
29-04H-H-04H-2F-P	N/A 1/2" National Pipe Thread (NPT) Instrument Connection, Hastelloy C-276 Upper Housing and Lower Housing & Diaphragm, 1/2" National Pipe Thread (NPT) Instrument Connection, 1/4" NPT Flushing Connection, Type 29 Diaphragm Seal w/ Optional Flush Port	N/A 1/2 in	N/A Hastelloy C-276	N/A 1/2 in
29-02H-H-04H	N/A 1/4" National Pipe Thread (NPT) Instrument Connection, Hastelloy C-276 Upper Housing and Lower Housing & Diaphragm, 1/2" National Pipe Thread (NPT) Instrument Connection, 1/4" NPT Flushing Connection, Type 29 Diaphragm Seal	N/A 1/4 in	N/A Hastelloy C-276	N/A 1/2 in
29-02H-H-04H-1F	N/A 1/4" National Pipe Thread (NPT) Instrument Connection, Hastelloy C-276 Upper Housing and Lower Housing & Diaphragm, 1/2" National Pipe Thread (NPT) Instrument Connection, 1/8" NPT Flushing Connection, Type 29 Diaphragm Seal	N/A 1/4 in	N/A Hastelloy C-276	N/A 1/2 in
29-02H-H-04H-1F-P	N/A 1/4" National Pipe Thread (NPT) Instrument Connection, Hastelloy C-276 Upper Housing and Lower Housing & Diaphragm, 1/2" National Pipe Thread (NPT) Instrument Connection, 1/8" NPT Flushing Connection, Type 29 Diaphragm Seal w/ Optional Flush Port	N/A 1/4 in	N/A Hastelloy C-276	N/A 1/2 in
29-02H-H-04H-2F	N/A 1/4" National Pipe Thread (NPT) Instrument Connection, Hastelloy C-276 Upper Housing and Lower Housing & Diaphragm, 1/2" National Pipe Thread (NPT) Instrument Connection, 1/4" NPT Flushing Connection, Type 29 Diaphragm Seal	N/A 1/4 in	N/A Hastelloy C-276	N/A 1/2 in
29-02H-H-04H-2F-P	N/A 1/4" National Pipe Thread (NPT) Instrument Connection, Hastelloy C-276 Upper Housing and Lower Housing & Diaphragm, 1/2" National Pipe Thread (NPT) Instrument Connection, 1/4" NPT Flushing Connection, Type 29 Diaphragm Seal w/ Optional Flush Port	N/A 1/4 in	N/A Hastelloy C-276	N/A 1/2 in
29-04H-H-02H	N/A 1/2" National Pipe Thread (NPT) Instrument Connection, Hastelloy C-276 Upper Housing and Lower Housing & Diaphragm, 1/4" National Pipe Thread (NPT) Instrument Connection, 1/4" NPT Flushing Connection, Type 29 Diaphragm Seal	N/A 1/2 in	N/A Hastelloy C-276	N/A 1/4 in
29-04H-H-02H-1F	N/A 1/2" National Pipe Thread (NPT) Instrument Connection, Hastelloy C-276 Upper Housing and Lower Housing & Diaphragm, 1/4" National Pipe Thread (NPT) Instrument Connection, 1/8" NPT Flushing Connection, Type 29 Diaphragm Seal	N/A 1/2 in	N/A Hastelloy C-276	N/A 1/4 in
29-04H-H-02H-1F-P	N/A 1/2" National Pipe Thread (NPT) Instrument Connection, Hastelloy C-276 Upper Housing and Lower Housing & Diaphragm, 1/4" National Pipe Thread (NPT) Instrument Connection, 1/8" NPT Flushing Connection, Type 29 Diaphragm Seal w/ Optional Flush Port	N/A 1/2 in	N/A Hastelloy C-276	N/A 1/4 in
29-04H-H-02H-2F	N/A 1/2" National Pipe Thread (NPT) Instrument Connection, Hastelloy C-276 Upper Housing and Lower Housing & Diaphragm, 1/4" National Pipe Thread (NPT) Instrument Connection, 1/4" NPT Flushing Connection, Type 29 Diaphragm Seal	N/A 1/2 in	N/A Hastelloy C-276	N/A 1/4 in

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Process Connection Size