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and functional type must match the original unit
compressors
Floating/bumping actuator control with valve proving
Use for LFS1 flame safeguard
Siemens VGD40
Siemens VGD20.503U Double Gas Valve Body - 2" NPT VGG and functional type must matchSiemens VGD20. 503U Double gas valve 2" BSP The Siemens VGD 20 503U is designed as a double gas valve to be integrated into gas trains. A universal mounting plate facilitates attachment of a number of commercially available pressure switches or valves proving devices. Both the pilot gas flange and the universal mounting plate are exchangeable and can be fitted on either side of the valve. VGD20. 503U Gas Valve Specifications 2" Flange Permissible
