一、固定式球阀常见的2种阀座密封结构。1、DBB双截流与泄放阀(double block and bleed valve)带有两个阀座密封副的阀门,在其关闭位置可通过在两个阀座表面之间的阀体腔的排放/排气方法,提供其阀门两端的压力密封。2、DIB双隔离与泄放阀(double isolation and bleed valve)草粿带有两个阀座密封副的阀门,其中的每一个阀座密封副在关闭位置可通过在两
各种阀门的翻译(All kinds of valves Chine Translation)Man without instrument will never die. Energy-saving there, life rarely live to venty. The Tong flower ten thousand Li Dan mountain road, the young ch
英国标准1、BS10:2009Specification for flanges and bolting for pipes, Valves and fittings管子、阀门和配件用法兰和螺栓连接规范2、BS EN19:2002Industrial valves—Marking of metallic Valves通用工业阀门的标记3、BS EN 545:2010 (电子版)Duct
Germany Schroeder ARC Valves德国Schroeder自动循环阀1.Schroeder历史:Schroeder Valves GmbH & Co. KG is founded in 1889. Since 1950, Schroeder invented the special pump protecting valves and devoted only this