... 泄压装置;安全阀;泄压阀：Pressure relieving devices,Safety and relief Valves 泄压装置：venting device 泄压柱塞：relief plunger ...
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vacuum venting device 真空透气装置
For a specific design type, at least one production venting device 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。
The inlet pipe penetration into the vessel, the pressure drop across any block valves used. upstream of the venting device, and the inlet piping must be considered when determining these losses.
对与容器连通的进口管，要使用其通过阻断阀时的压力降。在确定这些压损时，必须要考虑进口管线和放空装置的上游线路。
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.
燃料输送设计有防止回火的保护装置，有防止燃料在炉膛内爆燃的泄爆机构。因此锅炉运行安全可靠。
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