400/500 Threaded All-Welded Diaphragm Seal

Brand: Ashcroft Inc
Does not ship to Virginia, United States

The Ashcroft 400/500 and 401/501 all-welded diaphragm seals or isolation devices protect pressure measuring instruments.

Used to ensure process compatibility, they are also applied when process media exhibits high temperature, pulsation or the potential to clog an instrument connection.

An ideal selection for applications needing added product integrity.
Features
  • Compact size 
  • Light weight 
  • All-welded design 
  • Flushing option 
  • Continuous duty design 
  • Minimized fill volume 
  • Male connections eliminate adapters/fittings 

Specifications

Approvals & Certifications

  • CRN

Diaphragm Material

  • 316L Stainless Steel
  • Hastelloy B
  • Hastelloy C-22
  • Hastelloy C-276
  • Monel
  • Tantalum
  • Titanium

Enclosure, Body Material

  • 316L Stainless Steel
  • Hastelloy B
  • Hastelloy C-22
  • Hastelloy C-276
  • Monel
  • Titanium

Fill Material

  • Glycerin
  • Halocarbon
  • Silicone
  • Syltherm

NACE & NIST

  • NACE

NPT Connection

  • 1” NPT Female
  • 1/2” NPT Female
  • 1/4” NPT Female
  • 3/4” NPT Female

Nut & Bolt Material

  • Clamping Bolt: 300 Stainless Steel

Operating Pressure

  • Typical And, Max.

Ring Material

  • Clamp Ring: Stainless Steel

Temperature Range

  • -21° to 398.9° C (-70° to 750° F)

  • Biogas & Biodiesel
  • Chemical & Petrochemical
  • NACE Compliant Processes (Sour Gas Separation)
  • Oil & Gas Applications
  • Oil & Gas Fracking
  • Refineries
  • Water & Wastewater
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