泵阀商务网

摘要：J15Y/J65Y内螺纹与承插焊Y

摘要：J45H自密封Y型截止阀介绍

摘要：截止阀的阀杆轴线与阀座密

摘要：J11W/J13W内螺纹截止阀介

摘要：产品名称：J11B氨用截止阀

摘要：J41B-25、J41F-25、ZZRN氨

摘要：J41B氨用截止阀

摘要：J42B角式氨用截止阀

摘要：J42B角式氨用截止阀

摘要：J11B外螺纹氨用截止阀

摘要：J42B角式氨用截止阀

摘要：氨用截止阀经常要用到氧气

摘要：作为冶金工业中输送氧气管

摘要：气动上展式放料阀阀体内腔

摘要：氨用截止阀经常要用到氧气

摘要：氨用截止阀经常要用到氧气

摘要：氨用截止阀经常要用到氧气

摘要：氨用截止阀经常要用到氧气

摘要：J42B角式氨用截止阀

摘要：氨用截止阀经常要用到氧气

摘要：法兰连接的美标截止阀适用

摘要：法兰蜗轮蝶阀W341X法兰蜗

摘要：J41B氨截止阀介绍

摘要：J44H/Y角式截止阀一般适用

摘要：法兰连接的J41W美标截止阀