For a specific design type, at least one production ventingdevice of every size shall be flow tested.
对于特殊的设计类型,至少一个产品的的每一个型号的防空设备都需要流量测试。
2
The inlet pipe penetration into the vessel, the pressure drop across any block valves used. upstream of the ventingdevice, and the inlet piping must be considered when determining these losses.
Fuel delivery with protection device to prevent tempering, owning venting mechanism to prevent the fuel deflagration in the furnace. Therefore the boiler is of safe and reliable operation.