Full set of pipe orifice, valves, flanges and counter flanges, fasteners and all other attachments, all water release valves, gas release valves and safety valves.
全套管道孔板、阀门、法兰及反法兰、紧固件及其它所有附件，所有放水、放气阀门及安全阀。
Set pressure and orifice size determine valve capacity.
根据设置压力和节流孔通径来确定阀门的流容。
Set pressure and orifice size determine valve capacity.
根据设置压力和节流孔通径来确定阀门的流容。
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