3a Centre Court, Sir Thomas Longley Road
Medway City Estate, Rochester, Kent ME2 4BQ
01634 570218
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HP 743 – High purity – stainless steel barstock regulator

Model HP 743 is a stainless steel pipeline regulator for pipeline and other applications up to 210 bar (3000 psig) inlet pressure.


  • Corrosive gas applications
  • High purity gas applications
  • Research sample systems gases
  • Process analyzer gases
  • Gas chromatography
  • EPA protocol gases
  • Laser gas systems
  • Emission monitoring systems


  • Recommended for corrosive gases or purity levels of grade 6.0 (99.9999) and higher
  • 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
  • Chrome plated bonnet, 316L SS body and fittings
  • 1×10-9 mbar I/s He inboard helium leak rate to maintain gas purity levels
  • The 1/8’’ NPT thread on the bonnet venting for safety
  • Maximum inlet pressure 210 bar (3000 psig)

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01634 570218


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