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Series HL3300


This chrome plated brass single stage regulator is ideal for controlling the gaseous withdrawal from cryogenic containers. The regulator boasts a large stainless steel diaphragm for better control and a 0.37 Cv to provide high flow if required.


  • Available in three delivery pressure ranges, 0-125, 0-350, and 0-500 psig.
  • Maximum inlet pressure – 3000 psig.
  • One-piece encapsulated seat design with 10 micron filter to protect seat from particulate contamination.
  • Inlet is required CGA connection or 1/4” NPT female.
  • Outlet connection 1/4” NPT female.
  • Cv = 0.37.

Materials Of Construction

Body: Chrome plated brass forging
Bonnet: Chrome plated brass forging
Diaphragm: 302 stainless steel
Nozzle: brass
Seat & seals: PTFE Teflon
Filter: nickel plated sintered bronze
Seat return spring: PH 17-7 stainless steel

How To Order

Model NumberDel. Press. Range
Del. Press. Gauge
HL3300-125-CGA* 0-125 0-200
HL3300-350-CGA* 0-350 0-400
HL3300-500-CGA* 0-500 0-1000
  • *For line regulator use with 1/4” NPT female inlet and outlet substitute “P4FF” for CGA.
  • 1/4" compression outlet add "T4FS" to P/N.