ENDrmaturen壓力驅(qū)動閥核心特點結(jié)構(gòu)形式2/2通(兩通閥)或3/2通(三區(qū)通閥)等閥體材質(zhì)黃銅(rass)、青銅、碳鋼、鑄鐵(GG-25/GGG-40.3)、不銹鋼(StainlessSteel)等連接方式螺紋(Femalethre...