Ashcroft All-Welded Midi Diaphragm Seal, 311/312
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TYPE 311/TYPE 312

Series: 311/312 All-Welded Mini-Diaphragm Seal Brand: Ashcroft Inc.
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Ashcroft All-Welded Midi Diaphragm Seal, 311/312
  • Process Connection - 1/4" Male NPT
  • Type - All-Welded Midi-Seal
  • Diaphragm Material - 316L Stainless Steel
  • Housing Material - Bottom: 316L Stainless Steel, Top: 316L Stainless Steel
  • Instrument Connection Size - 1/4" Female NPT
  • Filling Fluid - Glycerin

Specifications

Brand

Applications

  • Biogas & Biodiesel
  • Chemical & Petrochemical
  • Oil & Gas Applications
  • Oil & Gas Fracking
  • Refineries
  • Water & Wastewater

Approvals & Certifications

  • CRN
  • GOST

Diaphragm Material

  • 316L Stainless Steel
  • Hastelloy® C-276
  • Tantalum

Enclosure, Body Material

  • 316L Stainless Steel
  • Hastelloy® C-276

Fill Material

  • Glycerin
  • Halocarbon
  • Silicone
  • Syltherm

NACE & NIST

  • NACE

NPT Connection

  • 1" NPT Female
  • 1" NPT Male
  • 1/2" NPT Female
  • 1/2" NPT Male
  • 1/4" NPT Female
  • 1/4" NPT Male
  • 3/4" NPT Female
  • 3/4" NPT Male

Pressure Range

  • 4-1/2" Gauge psi: 30 to 1,000 (kPa: 206.8 to 6,895, bar: 2 to 68.95)
  • Up to 3-1/2": Vacuum to psi: 1,000 (kPa: 6,894, bar: 69)

Temperature Range

  • -21° to 398.9° C (-70° to 750° F)

Documentation

Data Sheets

Industry Brochure

Product Information

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