PTFE Bolted Diaphragm Seal

Diaphragm seals are used in order to prevent process sensitive mediums from entering the internals of a conventional pressure gauge.

System filled using FDA compliant fill fluid. Designed to be system filled to analogue gauges, digital pressure gauges, pressure transmitters.

Specification

  • Diameter: 63, 100, 160, 200mm, 250mm
  • Ranges: from -1 bar (-30″Hg) vacuum to 400 bar (6000 psi) pressure (subject to seal)
  • Accuracy: ±1.0% & ±1.6% FSD (subject to diameter)
  • Orientation: Bottom or rear
  • Threaded connections available: BSP, BSPT, NPT (male or female)
  • Connection sizes available: 1/4", 3/8", 1/2", 3/4", 1", 2"
  • Mounting options: Direct
  • Case filling: Dry or glycerine
  • Case material: 304 Stainless steel
  • Wetted parts: PTFE
  • Window: Safety glass, polycarbonate
  • FDA approved system fill
  • Weather protection: IP 65

Options

  • Custom ranges/dials
  • Customer logo
  • Indicating or Max drag pointer
  • Rubber shroud
  • Electrical contact
  • Other wetted parts available on request
  • 3.1 Material certificate

Calibration Notes

  • Traceable to national standards
  • UKAS

If you have any questions, please contact us on +44 (0) 117 965 4615 or visit our enquiry page and submit the form.

We can also customise our products to your specific needs.

Excellent Customer Service

Dedicated pre and post sales staff

From your first enquiry through to future advice and support, we put customer service at the forefront of our business.

Need help? Contact us!

Leading industry standards

NQA ISO9001 Accredited and Achilles Affiliated

  • UKAS logo
  • Achilles logo
  • NQA UKAS logo
  • BEMA logo
  • QAS International ISO 14001:2025 logo

We use cookies. Some are necessary to make our site work and others are optional, allowing us to analyse site usage, personalise content and to tailor advertising. These are stored on your device and are placed by us and trusted partners. Find out more in our cookie policy.