ZA40W/ZA40Y/ZA40H-16P/ZA40H-25P/ZA40H-40P/ZA40H-63P/ZA40H-64P/ZA40H-100P/ZA40H-160P/R/RL不锈钢闸阀，不锈钢法兰式闸阀作为流体控制系统中至关 ...

Q41H/Q41Y/Q41W/Q341F/Q641F/Q941F/Q347F/Q341F/Q41F-16P/25P/40P/63P/64P/100P/160P/200P/250P/320P/R/RL是远一阀门常用的不锈钢法兰球阀型号字母分别 ...