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Premier Control Technologies Flow, pressure, level and temperature solutions

Drastar 072 Series

  • Single stage low pressure reducing regulator
  • Inlet pressure of 210 or 42 bar. Outlet pressures are 1.7, 3.5, 7, 17 or 35 bar
  • 2, 3, 4, 5 or 6 ports available

Single-stage Low Pressure Reducing Regulator

The 072 series from Drastar is a ¼” NPT single-stage low pressure reducing regulator being widely used for gas cylinder applications.

With Drastar’s patented push and lock type handle, you can operate it easily and with stability. “Locking” the pressure is easily done by pushing down the handle and this will prevent any slight change of the pre-set pressure value.

Inlet and Outlet pressures

Inlet pressures available are either 3000psig (210bar) or 600psig (42bar) with the outlet pressures available as either 25pisg (1.7bar), 50psig (3.5bar), 100psig (7bar), 250psig (17 bar) or 500psig (35bar).

Port sizes

The 072 series is available with either 2-port, 3-port, 4-port, 5-port or a 6-port configuration.

Body materials

Body materials are either brass or 316L stainless steel with a 316L stainless steel diaphragm or optional Hastelloy-C.

Key specifications

TypeLow Pressure - Pressure Reducing Regulator
Max Inlet Pressure3000 psi (210 Bar)
Max Outlet Pressure500 psi (35 Bar)
Cv Options0.06
Sensing TypeGas - Diaphragm Liquid - Piston
Port Sizes1/4"
Port TypeNPT threaded
ApplicationGas and Liquid


Common process applications and industrial uses include:

  • Research labs
  • Industrial gas control
  • Gas cylinder
  • General gas line
  • Bulk gas line
  • Analytical application
  • Ultra-pure gases
  • Mixing gases
  • Corrosive gases
  • Liquid lines

Other features

  • Optional self venting
  • Higher temperature options or 120C, 250C or 320C
  • Design proof pressure to 150% of maximum rating
  • Panel mounting nut or wall mouting bracket (option)

Model numbers

  • 072S-0025L-1SH-5-V-H1
  • 072S-0100M-1OH-5
  • W072S-0500C-1SH-5-V-H1


The Drastar 072 Series is widely used in the following industries:

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