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HPI 722/742 High purity two-stage barstock regulator

3302966

Designed for: high purity gas applications, research sample systems gases, process analyzer gases, gas chromatography, EPA protocol gases, laser gas systems, emission monitoring systems.

DETALLES

Model HPI 742 is a regulator for cylinders where a constant delivery pressure from full to near empty is a required condition.

Características

  • Recommended for purity levels of grade 6.0 (99.9999) and higher
  • Stainless steel version HPI 742 applicable for corrosive gases after prior confirmation of the material’s compatibility
  • Standard 316L 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
  • Hastelloy®** C276 diaphragm
  • Brass chrome-plated bonnet barstock or 316L stainless steel as optional
  • 316L stainless steel body for HPI 742, brass chrome-plated body for HPI 722
  • 1x10-9 mbar I/s He inboard helium leak rate to maintain gas purity levels
  • 1/8’’ NPT thread on the bonnet venting for safety
  • Maximum inlet pressure 300 bar (4350 psig), except for Acetylene: max. 25 bar (362 psig)