Siemens VGD20.3211 Double Gas Valve Body - 1 1/4" BSP model_skp15_013u1 this flame detectors can be

this flame detectors can be mounted either directly on the burner

B01 -two A valves for main gas + regulator

230C2 Burner Control Box 230V

in the case of the Econex SFF62 2

Dungs FRS-5125 Gas Regulator DN125 1-3 kPa (10-30 mbar)

Siemens VGD20.3211 Double Gas Valve Body - 1 1/4" BSP model_skp15_013u1 this flame detectors can beSiemens VGD20. 3211 Double gas valve 1 1 4" BSP The Siemens VGD 20 3211 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. 3211 Gas Valve Specifications 1 1 4" NPT Max