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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

269 items

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  • 50740SS04TXDJ Ashcroft Model 740 High-Displacement Diaphragm Seal
    50740SS04TXDJ Ashcroft 740 High-Displacement Diaphragm Seal
    50740SS04TXDJ

    Ashcroft

    Product Type: High-Displacement Diaphragm Seals

    Ashcroft 740 High-Displacement Diaphragm Seal, 1/2 in. NPT Female Process Connection, 316L Stainless Steel Diaphragm, 316L Stainless Steel Bottom Housing, 1/2 in. NPT Female Instrument Connection, 10 cSt Silicone Filled.
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  • 04311UH04TXCF Ashcroft Model 311 Midi-Diaphragm Seal
    04311UH04TXCF Ashcroft 311 Mini-Diaphragm Seal
    04311UH04TXCF

    Ashcroft

    Product Type: Mini-Diaphragm Seals

    Ashcroft 311 Mini-Diaphragm Seal, All-Welded Construction, 1/2 in. NPT Male Process Connection, Tantalum Diaphragm, Hastelloy C-276 Bottom Housing, 1/2 in. NPT Female Instrument Connection, Halocarbon 4.2 Filled.
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  • 50200UH04TXCF Ashcroft Model 200 Threaded Diaphragm Seal
    50200UH04TXCF Ashcroft 200 Threaded Diaphragm Seal
    50200UH04TXCF

    Ashcroft

    Product Type: Welded Diaphragm Seals

    Ashcroft 200 Threaded Diaphragm Seal, 1/2 in. NPT Female Process Connection, Welded (metallic) or Bonded (elastomeric) to Top Housing, No Flushing Port, Tantalum Diaphragm, Hastelloy C-276 Bottom Housing, 1/2 in. NPT Female Instrument Connection,...
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  • 50312SS02T Ashcroft Model 312 Midi-Diaphragm Seal
    50312SS02T Ashcroft 312 Mini-Diaphragm Seal
    50312SS02T

    Ashcroft

    Product Type: Mini-Diaphragm Seals

    Ashcroft 312 Mini-Diaphragm Seal, All-Welded Construction w/ Flushing Connection, 1/2 in. NPT Female Process Connection, 316L Stainless Steel Diaphragm, 316L Stainless Steel Bottom Housing, 1/4 in. NPT Female Instrument Connection.
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  • 50201SS04TXAWCG Ashcroft Model 201 Welded Diaphragm Seal
    50201SS04TXAWCG Ashcroft 201 Welded Diaphragm Seal
    50201SS04TXAWCG

    Ashcroft

    Product Type: Welded Diaphragm Seals

    Ashcroft 201 Welded Diaphragm Seal, 1/2 in. NPT Female Process Connection, Welded (metallic) or Bonded (elastomeric) to Top Housing, Flushing Port in Lower Housing, 316L Stainless Steel Diaphragm, 316L Stainless Steel Bottom Housing, 1/2 in. NPT Female...
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  • 50201UH04TXCF Ashcroft Model 201 Welded Diaphragm Seal
    50201UH04TXCF Ashcroft 201 Welded Diaphragm Seal
    50201UH04TXCF

    Ashcroft

    Product Type: Welded Diaphragm Seals

    Ashcroft 201 Welded Diaphragm Seal, 1/2 in. NPT Female Process Connection, Welded (metallic) or Bonded (elastomeric) to Top Housing, Flushing Port in Lower Housing, Tantalum Diaphragm, Hastelloy C-276 Bottom Housing, 1/2 in. NPT Female Instrument...
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  • 02310UH02TXCF Ashcroft Model 310 All-Welded Mini-Diaphragm Seal
    02310UH02TXCF Ashcroft 310 All-Welded Mini-Diaphragm Seal
    02310UH02TXCF

    Ashcroft

    Product Type: Mini-Diaphragm Seals

    Ashcroft 310 All-Welded Mini-Diaphragm Seal, 1/4 in. NPT Male Process Connection, Tantalum Diaphragm, Hastelloy C-276 Bottom Housing, 1/4 in. NPT Female Instrument Connection, Halocarbon Fill.
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  • 10202UB04T300RF Ashcroft Model 202 Flanged Diaphragm Seal
    10202UB04T300RF Ashcroft 202 Flanged Diaphragm Seal
    10202UB04T300RF

    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, Tantalum Diaphragm, Steel Bottom Housing, 1/2 in. NPT Female Instrument Connection, ASME 300 Raised Face Flange.
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