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Francel™ REGAL 3 Series Spring-Loaded Regulator, Balanced Plug
REGAL 3 Series is a direct-operated, spring setpoint pressure regulator, used for supplying industries and commercial businesses.
As an option, it can be equipped with a slam-shut Type VSX2 or OS2 which permits the gas flow to be cut off rapidly and totally in the case of under or over outlet pressure. As a standard feature for outlet pressure settings inferior or equal to 180 mbar, a relief valve is provided. REGAL 3 Series is in conformity with the Pressure Equipment Directive PED 2014/68-UE and is classified in Category I.
Francel™ REGAL 3 Series Spring-Loaded Regulator, Balanced Plug


Available Configurations
Regal 3: Regulator without Integral Slam-shut
Regal 3-VSX2: Regulator with Integral Slam-Shut VSX2
Regal 3-OS2: Regulator with integral slam-Shut OS2
Body Sizes and End Connection Styles
NPS 2 body with NPT connection
Inlet Pressure
Maximum Inlet Pressure: 10 bar / 145 psig
Outlet Pressure
Maximum Outlet Pressure: 1,5 bar
Maximum Flow Capacity
3438 Sm3/h
RG: 10
SG: 20
Pressure Registration
Internal Relief Setting
P1 - 90 mbar
Temperature Capabilities
Working: -30° to 71°


  • Integral Slam-Shut Valve
  • Installation Flexibility
  • Ease of Installation
  • Precise Flows
  • Internal Relief