Diaphragm Seals

Valin offers a wide selection of Diaphragm Seals to protect Pressure Gauges, Process Transmitters or Pressure Switches from damage caused by corrosive materials, clogging crystallization, or extreme temperatures.

Diaphragm Seals

272 items

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  • 25740SS02TXCG Ashcroft Model 740 High-Displacement Diaphragm Seal
    25740SS02TXCG Ashcroft 740 High-Displacement Diaphragm Seal
    25740SS02TXCG

    Ashcroft

    Product Type: High-Displacement Diaphragm Seals

    Ashcroft 740 High-Displacement Diaphragm Seal, 1/4 in. NPT Female Process Connection, 316L Stainless Steel Diaphragm, 316L Stainless Steel Bottom Housing, 1/4 in. NPT Female Instrument Connection, Glycerin Filled.
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  • 40105SS04TXCK Ashcroft Model 105 In-Line Saddle Weld Diaphragm Seal
    40105SS04TXCK Ashcroft 105 In-Line Saddle Weld Diaphragm Seal
    40105SS04TXCK

    Ashcroft

    Product Type: Welded Diaphragm Seals

    Ashcroft 105 In-Line Saddle Weld Diaphragm Seal, 4 in. & Larger Pipe Connection, Capsule Diaphragm Threaded to Top Housing, Weld-in Saddle Seal, 316L Stainless Steel Diaphragm, 316L Stainless Steel Bottom Housing, 1/2 in. NPT Female Instrument...
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  • 50311SS04T Ashcroft Model 311 Midi-Diaphragm Seal
    50311SS04T Ashcroft 311 Mini-Diaphragm Seal
    50311SS04T

    Ashcroft

    Product Type: Mini-Diaphragm Seals

    Ashcroft 311 Mini-Diaphragm Seal, All-Welded Construction, 1/2 in. NPT Female Process Connection, 316L Stainless Steel Diaphragm, 316L Stainless Steel Bottom Housing, 1/2 in. NPT Female Instrument Connection.
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  • 02311SS02TXCG Ashcroft Model 311 Midi-Diaphragm Seal
    02311SS02TXCG Ashcroft 311 Mini-Diaphragm Seal
    02311SS02TXCG

    Ashcroft

    Product Type: Mini-Diaphragm Seals

    Ashcroft 311 Mini-Diaphragm Seal, All-Welded Construction, 1/4 in. NPT Male Process Connection, 316L Stainless Steel Diaphragm, 316L Stainless Steel Bottom Housing, 1/4 in. NPT Female Instrument Connection, Glycerin Filled.
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  • 30105SS04TXCK Ashcroft Model 105 In-Line Saddle Weld Diaphragm Seal
    30105SS04TXCK Ashcroft 105 In-Line Saddle Weld Diaphragm Seal
    30105SS04TXCK

    Ashcroft

    Product Type: Welded Diaphragm Seals

    Ashcroft 105 In-Line Saddle Weld Diaphragm Seal, 3 in. Pipe Connection, Capsule Diaphragm Threaded to Top Housing, Weld-in Saddle Seal, 316L Stainless Steel Diaphragm, 316L Stainless Steel Bottom Housing, 1/2 in. NPT Female Instrument Connection, 50 cSt...
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  • 10202TT04TXCF6B150RF Ashcroft Model 202 Flanged Diaphragm Seal
    10202TT04TXCF6B150RF Ashcroft 202 Flanged Diaphragm Seal
    10202TT04TXCF6B150RF

    Ashcroft

    Product Type: Flanged Diaphragm Seals

    Ashcroft 202 Flanged Diaphragm Seal, 1 NPS Process Connection, Welded (metallic) or Bonded (elastomeric) to Top Housing, No Flushing Port, PTFE Diaphragm, PTFE Bottom Housing, 1/2 in. NPT Female Instrument Connection, Halocarbon Fill Fluid, ASME 150...
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  • 15202UB04T300RF Ashcroft Model 202 Flanged Diaphragm Seal
    15202UB04T300RF Ashcroft 202 Flanged Diaphragm Seal
    15202UB04T300RF

    Ashcroft

    Product Type: Flanged Diaphragm Seals

    Ashcroft 202 Flanged Diaphragm Seal, 1-1/2 NPS Process Connection, Welded (metallic) or Bonded (elastomeric) to Top Housing, No Flushing Port, Tantalum Diaphragm, Steel Bottom Housing, 1/2 in. NPT Female Instrument Connection, ASME 300 Raised Face Flange.
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  • 06311SS02TXCK Ashcroft Model 311 Midi-Diaphragm Seal
    06311SS02TXCK Ashcroft 311 Mini-Diaphragm Seal
    06311SS02TXCK

    Ashcroft

    Product Type: Mini-Diaphragm Seals

    Ashcroft 311 Mini-Diaphragm Seal, All-Welded Construction, 3/4 in. NPT Male Process Connection, 316L Stainless Steel Diaphragm, 316L Stainless Steel Bottom Housing, 1/4 in. NPT Female Instrument Connection, 50 cSt Silicone Filled.
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