Dome Loaded Pressure Regulators

Dome Loaded Pressure Regulators

Dome loaded pressure regulators are operated by gas pressure in the dome. In contrast to spring loaded regulators, dome loaded pressure regulators regulate the output pressure based on the pressure within the pre-loaded dome.

The pressure within the dome can be controlled internally and externally. For internal dome loading, a separate pilot regulator is not required. If setting the dome pressure externally, a separate pilot regulator (could also be a spring-loaded regulator) can be used. A flexible diaphragm separates the gas in the dome from the process fluid ensuring media segregation where this is critical.

They can be used in medium and high flow applications for both primary and secondary regulation. Due to their heavy-duty Stainless steel or Brass construction, they are ideally suited for applications in aggressive and arduous conditions.  

These regulators are used in a wide range of industries and applications such as:

  • Hydrogen and CNG refuelling stations
  • Breweries
  • Fire suppression systems
  • Marine industry
  • Chemical processing
  • Offshore/ aggressive environments

They can be supplied line mounted or integrated into a manifold package and are available from ¼” up to 6”. Oxygen service and NACE versions are also available.

Dome loaded Pressure Regulators – Medium Pressure (M.W.P up to 100 bar)

K31/ K41 Dome loaded pressure regulator

Port size: G1 female thread, DN 25

Max. Inlet pressure: 70 bar*

Outlet pressure: 0,5 ... 70 bar*

Materials: Nodular GGG40.3, Stainless steel

* Low pressure option available (Inlet 0 - 25bar, Outlet 0.1 – 5 bar)

K32/ K42 Dome loaded pressure regulator

Port size: G2 female thread, DN 50

Max. Inlet pressure: 70 bar*

Outlet pressure: 0,5 ... 69 bar*

Materials: Nodular GGG40.3, Stainless steel

* Low pressure option available (Inlet 0 - 25bar, Outlet 0.1 – 5 bar)

K33/K43 Dome loaded pressure regulator

Port size: G3 female thread, DN 80

Max. Inlet pressure: 55 bar

Outlet pressure: 0,5 ... 40 bar

Materials: Nodular GGG40.3, Stainless steel

C31 Dome loaded pressure regulator

Port size: G1 female thread

Max. Inlet pressure: 100 bar

Outlet pressure: 0,5 ... 70 bar

Materials: Brass

D166 Dome loaded pressure regulator

Port size: G1 female thread, DN 25

Max. Inlet pressure: 100 bar

Outlet pressure: 0,5 ... 100 bar

Materials: Brass, Stainless steel, Brass chemically Nickel Plated

D290 Dome loaded pressure regulator

Port size: G3 female thread, DN 80, DN 100, DN 125, DN 150

Max. Inlet pressure: 100 bar

Outlet pressure: 0,5 ... 100 bar

Materials: Alubronze, Stainless steel

Dome loaded Pressure Regulators – High Pressure (M.W.P over 100 bar)

K16 Dome loaded pressure regulator

Small dome pressure regulator for high pressure and low flow rates

Port size: G1/4 female thread

Max. Inlet pressure: 420 bar

Outlet pressure: 0.5 ... 300 bar

Materials: Stainless steel

K51 Dome loaded pressure regulator

Port size: G1 female thread

Max. Inlet pressure: 420 bar

Outlet pressure: 0,5 ... 300 bar

Materials: Stainless steel EN 10088 1.4401

K52 Dome loaded pressure regulator

Port size: G1 1/2 female thread

Max. Inlet pressure: 310 bar

Outlet pressure: 0,5 ... 172 bar

Materials: Stainless steel EN 10088 1.4401

K53 Dome loaded pressure regulator

Port size: G2 female thread

Max. Inlet pressure: 310 bar

Outlet pressure: 0,5 ... 172 bar

Materials: Stainless steel EN 10088 1.4401

D162 Dome loaded pressure regulator

Port size: G1 female thread

Max. Inlet pressure: 420 bar

Outlet pressure: 5 ... 220 bar

Materials: Brass

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