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QRB1B-A048B40B - Photoresistive flame detector
a computer interface
Function: Safety shut-off + differential pressure (ΔP) control
The FE632 gas filters stop the passage of dust or debris particles carried by the gas to protect regulating and safety devices
ATEX: II3G and II3D
Siemens VGF10.504P Gas Shut-Off Valve - DN50 Gas Valve QRB1B-A048B40B - Photoresistive flame detectorSiemens VGF10. 504P DN50 Gas Valve The VGF10. 504P gas valves are single valves of class A for installation in gas trains, when used in connection with actuators they will open slowly and close rapidly. The VGF gas valve series have a designed lifetime of 100,000 burner startup cycles. VGF10. 504P DN50 Specifications The VGF10. 504P gas valve is primarily used for application at gas fired combustion plants, or for gas trains at forced draft burners.