H44T-16旋启式止回阀 铸铁铜芯法兰止回阀DN40 50 80 100 150 200

HC41X-16法兰消声止回阀 单向逆止阀DN40 50 65 80 100 150 200

HC41X-16法兰消音消声止回阀立式卧式碳钢单向阀DN80 100 150 200

铸铁对夹蝶形止回阀DH77X-16逆止阀 DN50 65 80 100 150

HC41X-16法兰消声止回阀刚体新型立式单向逆止阀DN80 100 150 200

HC41X-16法兰消声止回阀长体 单向阀逆止阀DN40 50 65 80 100 150

H44H-16C-25C铸钢旋启式止回阀 法兰止回阀DN50 80 100 150 200

HC41X-16法兰消声止回阀卧立式水泵水管单向阀DN50 65 80 100 150

HC41X-16消声止回阀碳钢法兰单向阀DN40 50 65 80 100 150 200

DH77X-16对夹式止回阀铸铁蝶式止回阀DN50 65 80 100 150 200 250

旋启式止回阀H44T-16T铸铁铜阀芯法兰止回阀DN150 DN100 80

H44H-16C铸钢法兰旋启式止回阀dn25 50 65 80 100 125 150 200

H44T-16旋启式止回阀铸铁法兰逆止阀国标重型DN65 80 100 150 200

H42H-16C铸钢立式法兰止回阀25C40C单向阀逆止阀DN50 80 100 150

三叶罗茨鼓风机配件法兰对夹止逆阀单向阀止回阀截流阀碳钢DN150

HC41X-16法兰消声止回阀消音立卧式单向阀DN40 50 65 80 100 150

HC41X-16q法兰消声止回阀 铸铁立式止回阀DN50 65 80 100 150 200

DH77X-16对夹式止回阀蝶式止回阀逆止阀单向阀DN50 65 80 100 150

法兰旋启铸铁止回阀H44T-10/16逆止单向阀3寸4寸6寸DN80 100 150

HC41X-16消声止回阀 法兰单向阀逆止阀DN40 50 65 80 100 150 200

HC41X不锈钢芯立式消声逆止单向止回阀DN50 6 80 100 125 150 200

HC41X-16法兰消声止回阀单向阀逆止阀DN40 50 65 80 100 150 200

埃美柯9430 H42X-16Q球铁法兰消声止回阀DN50 60 80 125 150 200

H42H-16C铸钢立式法兰止回阀25C40C单向阀逆止阀DN50 80 100 150