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TYPE 402/TYPE 403

Series: 402/403 Flanged All-Welded Diaphragm Seal Brand: Ashcroft Inc.
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  • Process Connection - 1/2" Flanged
  • Type - All-Welded Diaphragm 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
  • Flange - Carbon Steel
  • Flange Rating - 150#
  • Flange Type - Raised Face
  • Process Connection - 1/2" Flanged
  • Type - All-Welded Diaphragm 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
  • Flange - Carbon Steel
  • Flange Rating - 150#
  • Flange Type - Raised Face
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Specifications

Brand

Applications

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

Approvals & Certifications

  • CRN

Diaphragm Material

  • 316L Stainless Steel
  • Hastelloy B
  • Hastelloy C-22
  • Hastelloy C-276
  • Monel 400
  • Tantalum
  • Titanium

Enclosure, Body Material

  • 316L Stainless Steel
  • Hastelloy B
  • Hastelloy C-22
  • Hastelloy C-276
  • Monel 400
  • Titanium

Fill Material

  • Distilled Water
  • Ethylene Glycol & Water
  • Food Grade Silicone
  • Glycerin
  • Halocarbon
  • Propylene Glycol
  • Silicone
  • Syltherm

Flange Material

  • Carbon Steel
  • Stainless Steel

Flange Size - 1/2” (DN 15)

  • 1/2” (DN 15) - 150#
  • 1/2” (DN 15) - 1500#
  • 1/2” (DN 15) - 300#
  • 1/2” (DN 15) - 600#
  • 1/2” (DN 15) - 900#

Flange Size - 1” (DN 25)

  • 1” (DN 25) - 150#
  • 1” (DN 25) - 1500#
  • 1” (DN 25) - 300#
  • 1” (DN 25) - 600#
  • 1” (DN 25) - 900#

Flange Size - 1-1/2” (DN 40)

  • 1-1/2” (DN 40) - 150#
  • 1-1/2” (DN 40) - 1500#
  • 1-1/2” (DN 40) - 300#
  • 1-1/2” (DN 40) - 600#
  • 1-1/2” (DN 40) - 900#

Flange Size - 2” (DN 50)

  • 2” (DN 50) - 150#
  • 2” (DN 50) - 1500#
  • 2” (DN 50) - 300#
  • 2” (DN 50) - 600#
  • 2” (DN 50) - 900#

Flange Size - 3/4” (DN 20)

  • 3/4” (DN 20) - 150#
  • 3/4” (DN 20) - 1500#
  • 3/4” (DN 20) - 300#
  • 3/4” (DN 20) - 600#
  • 3/4” (DN 20) - 900#

Flange Size - 3” (DN 80)

  • 3” (DN 80) - 150#
  • 3” (DN 80) - 1500#
  • 3” (DN 80) - 300#
  • 3” (DN 80) - 600#
  • 3” (DN 80) - 900#

Flange Size - 4” (DN 100)

  • 4” (DN 100) - 150#
  • 4” (DN 100) - 1500#
  • 4” (DN 100) - 300#
  • 4” (DN 100) - 600#
  • 4” (DN 100) - 900#

Flange Type

  • Flat Face (FF)
  • Raised Face (RF)
  • Ring Joint Facing

Maximum System Pressure

  • psi: 20 to 6,170 (kPa: 137.9 to 42,541, bar: 1.38 to 425.4)

NPT Connection

  • Instrument Connection: 1/2” NPT Female
  • Instrument Connection: 1/4” NPT Female

Nut & Bolt Material

  • Clamping Bolt: 300 Stainless Steel, Max.

Ring Material

  • Clamp & Flanged Rings: Stainless Steel

Temperature Range

  • Filling Fluid: -21° to 398.9° C (-70° to 750° F)
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