3a Centre Court, Sir Thomas Longley Road
Medway City Estate, Rochester, Kent ME2 4BQ
01634 570218
[email protected]

HPI 400L – High purity and ultra-high flow – single stage barstock regulator

Model HPI 400L is a high flow regulator. In-line manifold regulator available in chrome plated brass (HPI 400LC) or stainless steel (HPI 400LS) barstock for pipeline and other applications of non-corrosive gases up to 40 bar (580 psig) inlet pressure.


  • Non-corrosive high flow gas applications
  • Laser assist gases
  • Pressure transfer
  • Blanketing & high flow manifolds
  • Bulk gas distribution systems  Pharmacy industry
  • Food industry
  • Petrochemical industry


  • Recommended for non-corrosive gases purity levels up to grade 6.0 (99.9999) and delivery pressures up to 20 bar (290 psig)
  • Low pressure and high flow regulator
  • Nylon reinforced diaphragm
  • HPI 400LC – chrome plated body, bonnet and fittings
  • HPI 400LS – 316L stainless steel body, bonnet and fittings
  • 1×10-4 mbar I/s He inboard helium leak rate to maintain gas purity levels
  • The 1/8’’ NPT thread on the bonnet venting for safety in 316L SS version
  • Maximum inlet pressure 40 bar (290 psig)
  • Cleaned for oxygen service

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01634 570218


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