510-511 All-Welded Diaphragm Seals from Ashcroft

510-511 All-Welded Diaphragm Seals from Ashcroft
The Ashcroft® 510 and 511 compact, all-welded diaphragm seals protect pressure measuring instruments. Used to ensure process compatibility, they are also applied when process media exhibit high temperature, pulsation or the potential to clog an instrument connection. An ideal selection high pressure applications.


510-511 All-Welded Diaphragm Seals Features:

  • All-welded, compact size and lightweight
  • Continuous duty
  • All-welded construction; prevents inadvertent disassembly
  • All-stainless steel construction; other materials available
  • Flush port (type 511) provides easy cleaning / flushing for process media prone to clogging



510-511 All-Welded Diaphragm Seals Applications:

  • Process Market:
    • Oil and Gas
    • Chemical and Petrochemical
    • Refineries (Hydrofluoric / Sulfuric Alkalines)
    • Water and Wastewater
  • Process Applications:
    • Oil and Gas Fracking
    • NACE Compliant Processes (Sour Gas Separation)
    • Biogas and Biodiesel



510-511 All-Welded Diaphragm Seals Specifications:

Process Connection Size1/2 NPT Male
Instrument Connection1/2 NPT Female
Pressure Rating
  • 1,500 psi @ 100°F (STD.)
  • 10,000 psi @ 100°F (OPT.)
Added Tolerance±0.5% typical
Connection Style
  • 510: Threaded
  • 511: Threaded with flushing port
Connection Type - FilterThreaded


Download Ashcroft 510-511 All-Welded Diaphragm Seals Datasheet


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