WIKA Threaded Connection Diaphragm Seal, Model 990.40
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Model 990.40 Threaded Connection Diaphragm Seal

Brand: WIKA Instruments Ltd.

Threaded design, large working volume.
Features
  • Internal diaphragm with large working volume.
  • Special materials available.
  • Low temperature error due to large diaphragm diameter (realisation of low measuring ranges possible).
  • Wide temperature application range due to large working volume.
  • Integrated flushing connections (optional).

Specifications

Brand

Process Connection

  • 1/4” NPT female
  • 1/2” NPT female
  • 3/4” NPT female
  • 1” NPT female
  • 1/4” NPT male
  • 1/2” NPT male
  • 3/4” NPT male
  • 1” NPT male

Instrument Connection

  • 1/4” NPT female
  • 1/2” NPT female
  • Capillary connection

Housing Material

  • Incoloy® 825
  • Inconel® 600
  • Nickel 200
  • Hastelloy® C-276
  • Carbon steel, nickel-plated
  • 316 Stainless steel
  • Titanium
  • Monel® 400
  • Hastelloy® B-2

Diaphgram Material

  • 316 stainless steel
  • Monel® 400
  • Hastelloy® B-2
  • Hastelloy® C-276
  • Tantalum
  • Titanium
  • Nickel 200
  • Incoloy® 825
  • Inconel® 600

Gasket Material

  • Viton
  • Teflon®
  • Alloy 718, silver-plated

Bolt Material

  • Carbon steel, zinc-plated
  • Stainless steel

Flushing Connection

  • 1/8” NPT female
  • 1/4” NPT female

Documentation

Data Sheet

Operating Instructions

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