Low pressure line regulators for usable level of LNG vapour

These low-pressure line regulators are suitable for LNG once it has transitioned into its vapour phase. They are commonly installed directly after a vapouriser in LNG applications.

Rego low pressure line regulator, brown

Product description

Low-pressure in-line regulators of this type are used as first stage regulators in a two stage system. Their temperature tolerance limits them to use with vapours only.

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Body: Zinc
Bonnet: Zinc
Diaphragm: T4403J, 4403W, S4, T4, U4 teflon faced Buna N
(4403WP4): Buna N
(LV4403C): Integrated fabric and synthetic rubber
Spring: Steel
Seat (T4403J) : PTFE
(4403W) (LV4403C): Buna N
Nozzle (T4403J): Stainless steel
(4403W, LV4403C): Brass

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Gas types: LNG (Liquefied Natural Gas), NG (Natural Gas), Oxygen, Nitrogen, Argon, Hydrogen, CO2
Connections: Thread
Type: NPT 
Pressure range: Max. 70 to 690 mbar (1 to 10 psi)
Temperature range: -40˚C to +74˚C (-40˚F to +165˚F)
Sizes and range: 1/4" to ½"
Series available: 4403 Series
Standards: PED, ASME, CRN

*Materials and specifications are subject to generalisation. Our experienced people are ready to help you find the correct fit for your application. 

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  • Corrosion proof
  • High sensitivity and accurate low-pressure control
  • Long service life
  • Integrated relief valve
  • Tamper proof by concealed adjusting screw

Did you know?

This type of regulator is not suitable for oxygen applications

Pressure gauge adapter available part # 1494-1

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