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HPI-904 High purity single-stage barstock regulator

3004074

For high purity gas applications - Non-corrosives gases, gas chromatography, calibration gas, purging, blanketing, process analyzer gases, emission monitoring systems.

DETTAGLI

Model HPI 904 is a single-stage cylinder regulator available in nickel plated brass (HPI 904) or chrome plated brassl (HPI 904C) barstock. Designed for applications where a slight rise in delivery pressure from full to empty cylinder can be tolerated.

Caratteristiche

  • Recommended gases purity levels up to grade 5.0 (99.999)
  • 302 AISI stainless steel diaphragm eliminates contamination from diffusion or outgassing
  • One piece encapsulated seat design includes a sintered filter to protect the seat from particulate contamination
  • Capsule seat with KELF-F (CTFE) sealing surface
  • 1x10-8 mbar I/s He inboard helium leak rate to maintain gas purity levels
  • 5 ports flexible configuration, 2 high pressure and 3 low pressure
  • 1/8’’ NPT thread on the bonnet venting for safety
  • Maximum inlet pressure: 300 bar (4350 psig) and 25 bar (362 psig) for Acetylene AA version
  • Standard internal relief valve (IRV) for acetylene version
  • Cleaned for oxygen service