Threaded Hydrogen Diaphragm Seals 100-101

  • 316L stainless steel top housing (standard)
  • Wide selection of diaphragm and lower housing materials
  • Hydrogen diaphragm seals are available in wide range of wetted materials for process compatibility
  • Diaphragm threaded to top housing
  • Protects instrumentation from corrosive media
  • Prevents pressure measuring instrument from clogging
  • 200-201 and 300-301 threaded hydrogen diaphragm seals also available

Add to compare

Threaded hydrogen diaphragm seals 100-101

  • The Ashcroft 100 and 101 threaded diaphragm seals protect pressure measuring instruments.
  • It is used when process compatibility is required.
  • These are also applied when media exhibit high temperature or has the potential to clog an instrument connection.
  • The threaded diaphragm seals is ideal for satisfying many challenging applications.
  • Ashcroft also provides 200-201 and 300-301 threaded diaphragm seals for varied application.

Key features

  • 316L stainless steel top housing (standard).
  • Wide selection of diaphragm and lower housing materials.
  • Available in wide range of wetted materials for process compatibility.
  • Diaphragm threaded to top housing.
  • Flushing port (type 101, 201, 301) provides easy cleaning/flushing for process media prone to clogging.
  • Continuous duty design contains process if instrument is inadvertently removed.
  • Protects instrumentation from corrosive media.
  • Dissipates elevated process temperature.

Specifications

  • Connection style:
    • 100: Threaded
    • 101: Threaded with flushing port
  • Process connection size:
    • 1/4 to 1 NPT Male
    • 1/4 to 1-1/2 NPT Female
  • Instrument Connection
    • ¼ NPT Female
    • ½ NPT Female

Materials for wetted components

Threaded Hydrogen Diaphragm Seals 100-101_hyfindr2

Materials for non-wetted components

  • Top housing: 316L SS (standard), Monel, Titanium
  • Bolt/Clamps Rings: Carbon steel
  • Nuts/Bolts: Zinc plated alloy steel
  •  

Contact us

  • Ashcroft is a trusted source for pressure, temperature, and test instruments around the world. Interested? Please contact the vendor by filling in the contact request form.
Ashcroft

At Ashcroft, we know safety and compliance are critical for hydrogen applications. That’s why we deliver proven pressure and temperature instruments—backed by over 170 years of expertise—that keep your systems running reliably and your people protected. From sensors and gauges to switches, diaphragm seals and temperature probes, our hydrogen-ready solutions help you avoid downtime, meet regulatory demands, and operate with confidence. With Ashcroft, you have a trusted partner who listens, supports, and delivers when it matters most.

Latest products