铸铁日标法兰截止止回阀F7353GLOBEVALVESCREWDOWNCHECKC-IRON

青铜升降式日标法兰止回阀F-7415liftcheckunionBonnetTypeGlobe

铸钢日标法兰角形截止阀F7318ANGLEVALVECAST-STEELFLANGED

青铜升降式日标法兰止回角阀F7416liftcheckunionBonnetTypeAngle

青铜升降式日标法兰止回阀F-7417liftcheckunionBonnetTypeGlobe

青铜升降式日标法兰止回角阀F7418liftcheckunionBonnetTypeAngle

铸铁摆式日标法兰止回阀F7372SWINGCHECKVALVECAST-IRONFLANGED

铸铁摆式日标法兰止回阀F7373SWINGCHECKVALVECAST-IRONFLANGED

铸铁日标法兰截止阀F7309GLOBEVALVECAST-IRONFLANGED

阀门手轮SpareHandWheelsforValve