材料名称型号/规格401止回阀DN15401止回阀DN20401止回阀DN25401止回阀DN32401止回阀DN40401止回阀DN50403止回阀DN100403止回阀DN15403止回阀DN20403止回阀DN25403止回阀DN32403止回阀DN40403止回阀DN50403止回阀DN65403止回阀DN80530止回阀DN100530止回阀DN15530止回阀DN20530止回阀DN25530止回阀DN32530止回阀DN40530止回阀DN50530止回阀DN65530止回阀DN80603止回阀DN15603止回阀DN20603止回阀DN25603止回阀DN32603止回阀DN40603止回阀DN50C型消声止回阀DN100 H41X-16 C型消声止回阀DN125 H41X-16 C型消声止回阀DN150 H41X-16 C型消声止回阀DN200 H41X-16 C型消声止回阀DN250 H41X-16 C型消声止回阀DN300 H41X-16 C型消声止回阀DN50 H41X-16C型消声止回阀DN65 H41X-16C型消声止回阀DN80 H41X-16不锈钢丝口止回阀DN15不锈钢丝口止回阀DN20不锈钢丝口止回阀DN25不锈钢丝口止回阀DN40不锈钢丝口止回阀DN50对夹消声止回阀DN100 H71X-16对夹消声止回阀DN125 H71X-16对夹消声止回阀DN150 H71X-16对夹消声止回阀DN200 H71X-16对夹消声止回阀DN250 H71X-16对夹消声止回阀DN300 H71X-16对夹消声止回阀DN50 H71X-16对夹消声止回阀DN65 H71X-16对夹消声止回阀DN80 H71X-16法兰式止回阀DN100 H44T-16Q 法兰式止回阀DN150 H44T-16Q 法兰式止回阀DN200 H44T-16Q法兰消声止回阀DN125法兰消声止回阀DN150法兰消声止回阀DN200法兰消声止回阀DN250法兰消声止回阀DN300法兰消声止回阀DN50法兰消声止回阀DN65法兰消声止回阀DN80法兰止回阀DN100法兰止回阀DN100 H44T/W/X-10法兰止回阀DN125 H44T/W/X-10法兰止回阀DN150法兰止回阀DN150 H44T/W/X-10法兰止回阀DN200法兰止回阀DN200 H44T/W/X-10法兰止回阀DN250 H44T/W/X-10法兰止回阀DN300 H44T/W/X-10法兰止回阀DN350 H44T/W/X-10法兰止回阀DN40 H44T/W/X-10法兰止回阀DN400 H44T/W/X-10法兰止回阀DN50 H44T/W/X-10法兰止回阀DN500 H44T/W/X-10法兰止回阀DN600 H44T/W/X-10法兰止回阀DN65 H44T/W/X-10法兰止回阀DN80法兰止回阀DN80 H44T/W/X-10法兰止回阀H44T-16 DN100法兰止回阀H44T-16 DN150法兰止回阀H44T-16 DN200法兰止回阀H44T-16 DN50法兰止回阀H44T-16 DN65法兰止回阀H44T-16 DN80法兰止回阀Z44T-10 DN100法兰止回阀Z44T-10 DN1000法兰止回阀Z44T-10 DN125法兰止回阀Z44T-10 DN150法兰止回阀Z44T-10 DN200法兰止回阀Z44T-10 DN250法兰止回阀Z44T-10 DN300法兰止回阀Z44T-10 DN350法兰止回阀Z44T-10 DN40法兰止回阀Z44T-10 DN400法兰止回阀Z44T-10 DN450法兰止回阀Z44T-10 DN50法兰止回阀Z44T-10 DN500法兰止回阀Z44T-10 DN600法兰止回阀Z44T-10 DN65法兰止回阀Z44T-10 DN700法兰止回阀Z44T-10 DN80法兰止回阀Z44T-10 DN800法兰止回阀Z44T-10 DN900缓闭式止回阀300X DN100缓闭式止回阀300X DN125缓闭式止回阀300X DN150缓闭式止回阀300X DN200缓闭式止回阀300X DN250缓闭式止回阀300X DN300缓闭式止回阀300X DN80缓闭式止回阀DN100 SGH300X-16缓闭式止回阀DN125 SGH300X-16缓闭式止回阀DN150 SGH300X-16缓闭式止回阀DN200 SGH300X-16缓闭式止回阀DN250 SGH300X-16缓闭式止回阀DN300 SGH300X-16缓闭式止回阀DN40 SGH300X-16缓闭式止回阀DN50 SGH300X-16缓闭式止回阀DN65 SGH300X-16缓闭式止回阀DN80 SGH300X-16黄铜卧式止回阀DN100 401黄铜卧式止回阀DN15 401黄铜卧式止回阀DN20 401黄铜卧式止回阀DN25 401黄铜卧式止回阀DN32 401黄铜卧式止回阀DN40 401黄铜卧式止回阀DN50 401黄铜卧式止回阀DN65 401黄铜卧式止回阀DN80 401升降式止回阀DN100 H41T/W/X-16升降式止回阀DN125 H41T/W/X-16升降式止回阀DN15 H41T/W/X-16升降式止回阀DN150 H41T/W/X-16升降式止回阀DN20 H41T/W/X-16升降式止回阀DN200 H41T/W/X-16升降式止回阀DN25 H41T/W/X-16升降式止回阀DN250 H41T/W/X-16升降式止回阀DN32 H41T/W/X-16升降式止回阀DN40 H41T/W/X-16升降式止回阀DN50 H41T/W/X-16升降式止回阀DN65 H41T/W/X-16升降式止回阀DN80 H41T/W/X-16丝口止回阀DN100丝口止回阀DN100丝口止回阀DN15丝口止回阀DN15丝口止回阀DN20丝口止回阀DN20丝口止回阀DN25丝口止回阀DN25丝口止回阀DN32丝口止回阀DN40丝口止回阀DN40丝口止回阀DN50丝口止回阀DN50丝口止回阀DN65丝口止回阀DN65丝口止回阀DN80丝口止回阀DN80丝口止回阀H414X/T-10 DN100丝口止回阀H414X/T-10 DN20丝口止回阀H414X/T-10 DN25丝口止回阀H414X/T-10 DN40丝口止回阀H414X/T-10 DN50丝口止回阀H414X/T-10 DN65丝口止回阀H414X/T-10 DN80橡胶板止回阀DN125 H44T-16Q 橡胶板止回阀DN125 H44X-16Q 橡胶板止回阀DN150 H44T-16Q 橡胶板止回阀DN150 H44X-16Q 橡胶板止回阀DN200 H44T-16Q 橡胶板止回阀DN200 H44X-16Q 橡胶板止回阀DN40 H44X-16Q橡胶板止回阀DN50 H44T-16Q橡胶板止回阀DN50 H44X-16Q橡胶板止回阀DN65 H44T-16Q橡胶板止回阀DN65 H44X-16Q橡胶板止回阀DN80 H44T-16Q橡胶板止回阀DN80 H44X-16Q橡胶板止回阀H44X-16 DN100橡胶板止回阀H44X-16 DN125橡胶板止回阀H44X-16 DN150橡胶板止回阀H44X-16 DN200橡胶板止回阀H44X-16 DN250橡胶板止回阀H44X-16 DN300橡胶板止回阀H44X-16 DN50橡胶板止回阀H44X-16 DN65橡胶板止回阀H44X-16 DN80旋启式止回阀DN100 H44T/W/X-16旋启式止回阀DN125 H44T/W/X-16旋启式止回阀DN150 H44T/W/X-16旋启式止回阀DN200 H44T/W/X-16旋启式止回阀DN250 H44T/W/X-16旋启式止回阀DN300 H44T/W/X-16旋启式止回阀DN350 H44T/W/X-16旋启式止回阀DN40 H44T/W/X-16旋启式止回阀DN50 H44T/W/X-16旋启式止回阀DN65 H44T/W/X-16旋启式止回阀DN80 H44T/W/X-16止回阀DN100 AM401止回阀DN15 AM401止回阀DN20 AM401止回阀DN25 AM401止回阀DN32 AM401止回阀DN40 AM401止回阀DN50 AM401止回阀DN65 AM401止回阀DN80 AM401铸钢法兰止回阀H44H-16C DN100铸钢法兰止回阀H44H-16C DN125铸钢法兰止回阀H44H-16C DN15铸钢法兰止回阀H44H-16C DN150铸钢法兰止回阀H44H-16C DN20铸钢法兰止回阀H44H-16C DN200铸钢法兰止回阀H44H-16C DN25铸钢法兰止回阀H44H-16C DN250铸钢法兰止回阀H44H-16C DN300铸钢法兰止回阀H44H-16C DN32铸钢法兰止回阀H44H-16C DN350铸钢法兰止回阀H44H-16C DN40铸钢法兰止回阀H44H-16C DN400铸钢法兰止回阀H44H-16C DN50铸钢法兰止回阀H44H-16C DN65铸钢法兰止回阀H44H-25C DN125铸钢法兰止回阀H44H-25C DN150铸钢法兰止回阀H44H-25C DN200铸钢法兰止回阀H44H-25C DN25铸钢法兰止回阀H44H-25C DN250铸钢法兰止回阀H44H-25C DN300铸钢法兰止回阀H44H-25C DN32铸钢法兰止回阀H44H-25C DN350铸钢法兰止回阀H44H-25C DN40铸钢法兰止回阀H44H-25C DN400铸钢法兰止回阀H44H-25C DN50铸钢法兰止回阀H44H-25C DN65铸钢法兰止回阀H44H-25C DN80铸钢法兰止回阀J41H-16C DN100铸钢法兰止回阀J41H-16C DN125铸钢法兰止回阀J41H-16C DN15铸钢法兰止回阀J41H-16C DN150铸钢法兰止回阀J41H-16C DN20铸钢法兰止回阀J41H-16C DN200铸钢法兰止回阀J41H-16C DN25铸钢法兰止回阀J41H-16C DN250铸钢法兰止回阀J41H-16C DN32铸钢法兰止回阀J41H-16C DN40铸钢法兰止回阀J41H-16C DN50铸钢法兰止回阀J41H-16C DN65铸钢法兰止回阀J41H-16C DN80铸钢升降式止回阀H41H-16C DN100铸钢升降式止回阀H41H-16C DN125铸钢升降式止回阀H41H-16C DN15铸钢升降式止回阀H41H-16C DN150铸钢升降式止回阀H41H-16C DN20铸钢升降式止回阀H41H-16C DN200铸钢升降式止回阀H41H-16C DN25铸钢升降式止回阀H41H-16C DN250铸钢升降式止回阀H41H-16C DN300铸钢升降式止回阀H41H-16C DN32铸钢升降式止回阀H41H-16C DN350铸钢升降式止回阀H41H-16C DN40铸钢升降式止回阀H41H-16C DN400铸钢升降式止回阀H41H-16C DN50铸钢升降式止回阀H41H-16C DN65铸钢升降式止回阀H41H-16C DN80个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个个。