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Rotarex

Series D 230 Dual Stage

Model D230 · Dual Stage Cylinder Regulators

High-pressure regulator dual-stage piston/bellow technology.

Maximum Inlet Pressure200 bar
Setting Range1 / 3 / 10 bar versions
In/Out Connections16 x 1.336 inlet and G 3/8 outlet, or 1/4 in NPT inlet and outlet
Gas CompatibilityOxygen service on the brass version only

Key features

  • Dual stage piston and bellows control
  • Outlet settings 1, 3 and 10 bar
  • S 20 bellows technology inside
  • Rear inlet, right outlet layout

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A dual stage regulator combining piston and bellows technology, built on the bellows of the S 20, for pure, inert and slightly corrosive gases where the outlet pressure must stay exceptionally stable and be set with fine sensitivity. Outlet settings are 1, 3 and 10 bar from a 200 bar inlet, with nominal flows of 2 to 3.5 Nm3/h of nitrogen. The piston is brass or AISI 316L and the bellows bronze or AISI 316L depending on version, the inlet sits at the rear with the outlet to the right, and oxygen service is brass only.

Specification

Maximum Inlet Pressure200 bar
Setting Range1 / 3 / 10 bar versions
In/Out Connections16 x 1.336 inlet and G 3/8 outlet, or 1/4 in NPT inlet and outlet
Gas CompatibilityOxygen service on the brass version only
Stagesdual stage
Temperature-20 to +60 C
Weightabout 1.6 kg
Seat MaterialPTFE
Technologypiston and bellows