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Pressure Gauges

Hydrogen Process Gauge - 1209

Ashcroft
Hydrogen Process Gauge - 1209
Summary

  • Full pressure relief back for safety
  • Socket welded to case for superior leak integrity
  • Protects when sudden pressure surge occurs at start-up or during process pressure spikes
  • Stainless steel high overpressure solid front hydrogen process gauge

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Description Vendor

Hydrogen Process Gauge - 1209

  • The Ashcroft® 1209 is a high performance 4.5″ ASME style Process pressure gauge with a stainless steel case designed for applications requiring safety and reliability.
  • Features include a solid front case, standard acrylic window and ranges up to 20,000 psi (1,400 bar).

Key Features

  • Complies with ASME B40.100
  • Solid-front case design for safety
  • Socket-to-case weld for superior leak integrity
  • 316L stainless steel case, ring and back cover
  • 316L stainless steel or Monel wetted parts
  • Full pressure relief back cover
  • PLUS!™ Performance (OPT.)
  • High over pressure up to 417% of range option XRA (see datasheet for specifications)

Specifications

  • Accuracy: ±0.5% of span (ASME B40.100, Grade 2A)
  • Size: 4 1/2'
  • Pressure ranges: vacuum, compound, 20,000 PSI (1400 bar)
  • Process connection size
    • 1/2 NPT Male 1/4
    • NPT Male Process
  • Connection location: Lower
  • Case style: Solid front
  • Window: Acrylic (STD.), safety glass (OPT.)
  • Weather protection: IP65 hermetically sealed
  • Mounting
    • flush
    • pipe
    • remote
    • stem, surface
  • Movement: Adjustable
  • Dampening: Liquid fill, throttle screw, PLUS!™ Performance

Applications

  • Cryogenic applications
  • Power generation
  • Turbines and compressors

Contact us

  • The Ashcroft® 1209 comes with dry, liquid filled or PLUS!™ Performance option . Interested? Please contact Ashcroft by filling in the contact vendor or request for quote 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.

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