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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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  • 50311HH04T Ashcroft Model 311 Midi-Diaphragm Seal
    50311HH04T Ashcroft 311 Mini-Diaphragm Seal
    50311HH04T

    Ashcroft

    Product Type: Mini-Diaphragm Seals

    Ashcroft 311 Mini-Diaphragm Seal, All-Welded Construction, 1/2 in. NPT Female Process Connection, Hastelloy C-276 Diaphragm, Hastelloy C-276 Bottom Housing, 1/2 in. NPT Female Instrument Connection.
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  • 20320SX02T Ashcroft Model 320 In-Line Flush Quick-Connect Diaphragm Seal
    20320SX02T Ashcroft 320 In-Line Flush Quick-Connect Diaphragm Seal
    20320SX02T

    Ashcroft

    Product Type: In-Line Diaphragm Seals

    Ashcroft 320 In-Line Flush Quick-Connect Diaphragm Seal, All-Welded, 2 in. Quick-Connect, 316L Stainless Steel Diaphragm, 1/4 in. NPT Female Instrument Connection, 1000 Max Allowable Working Pressure.
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  • 30703SS04TXCK150RF Ashcroft Model 703 Flanged High Displacement Diaphragm Seal
    30703SS04TXCK150RF Ashcroft 703 Flanged High Displacement Diaphragm Seal
    30703SS04TXCK150RF

    Ashcroft

    Ashcroft 703 Flanged High Displacement Diaphragm Seal, 3 NPS Process Connection, w/ Flushing Connection, 316L Stainless Steel Diaphragm, 316L Stainless Steel Bottom Housing, 1/2 in. NPT Female Instrument Connection, 50 cSt Silicone Fill, 150 Class ASME...
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  • 10202SS02TXCK150RF Ashcroft Model 202 Flanged Diaphragm Seal
    10202SS02TXCK150RF Ashcroft 202 Flanged Diaphragm Seal
    10202SS02TXCK150RF

    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, 304L Stainless Steel Diaphragm, 304L Stainless Steel Bottom Housing, 1/4 in. NPT Female Instrument Connection, 50...
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  • 15320SX02TXCK Ashcroft Model 320 In-Line Flush Quick-Connect Diaphragm Seal
    15320SX02TXCK Ashcroft 320 In-Line Flush Quick-Connect Diaphragm Seal
    15320SX02TXCK

    Ashcroft

    Product Type: In-Line Diaphragm Seals

    Ashcroft 320 In-Line Flush Quick-Connect Diaphragm Seal, All-Welded, 1-1/2 in. Quick-Connect, 316L Stainless Steel Diaphragm, 1/4 in. NPT Female Instrument Connection, 1500 Max Allowable Working Pressure, 50 cSt Silicone Filled.
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  • 08330SX02TXCK Ashcroft Model 330 All-Welded Flush Mini Diaphragm Seal
    08330SX02TXCK Ashcroft 330 All-Welded Flush Mini Diaphragm Seal
    08330SX02TXCK

    Ashcroft

    Product Type: Welded Diaphragm Seals

    Ashcroft 330 All-Welded Flush Mini Diaphragm Seal, 1 in. NPT Male Process Connection, 316L SS Diaphragm, 1/4 in. NPT Instrument Connection, 50 cSt Silicone Filled.
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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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