H76W-16P不锈钢蝶形止回阀 对夹双瓣旋启式止回阀DN50 80 100 200

H76W-16P不钢形止回阀 对夹双瓣旋启式0止回阀DN50 不锈钢蝶8锈0

铸钢H76W-16c蝶形双瓣旋启式对夹止回阀开启力0.08mpDN50 65

H76W-16P不锈钢蝶形止回阀 对夹双瓣旋启式止回阀DN50 80 100 200

H76W-16P不锈钢蝶形止回阀 对夹双瓣旋启式止回阀DN50 80 100 200

零泄漏不锈钢对夹双瓣蝶式旋启式止回阀H76H-16P DN65 80 100

铸钢H76W-16c蝶形双瓣旋启式对夹止回阀开启力0.08mpDN50 65

H47H-16C止回阀 法兰双瓣止回阀 旋启式双瓣法兰止回阀

H76W-16P不锈钢蝶形止回阀 对夹双瓣旋启式止回阀DN50 80 100 200

铸钢76-16蝶形双瓣旋启式对夹止回阀开启力0.085065

零泄漏不锈钢对夹双瓣蝶式旋启式止回阀H76H-16P DN65 80 100

零泄漏不锈钢对夹双瓣蝶式旋启式止回阀H76H-16P DN65 80 100

铸钢H76W-16c蝶形双瓣旋启式对夹止回阀开启力0.08mpDN50 65

零泄漏不锈钢对夹双瓣蝶式旋启式止回阀H76H-16P DN65 80 100

铸钢H76W-16c蝶形双瓣旋启式对夹止回阀开启力0.08mpDN50 65

铸钢H76W-16c蝶形双瓣旋启式对夹止回阀开启力0.08mpDN50 65

铸钢H76W-16c蝶形双瓣旋启式对夹止回阀开启力0.08mpDN50 65

铸钢H76W-16c蝶形双瓣旋启式对夹止回阀开启力0.08mpDN50 65

铸钢H76W-16c蝶形双瓣旋启式对夹止回阀开启力0.08mpDN50 65

铸钢H76W-16c蝶形双瓣旋启式对夹止回阀开启力0.08mpDN50 65

H46H-16C/双瓣式旋启式止回阀/法兰式逆止阀/碟型止回阀

铸钢H76W-16c蝶形双瓣旋启式对夹止回阀开启力0.08mpDN50 65

零泄漏不锈钢对夹双瓣蝶式旋启式止回阀H76H-16P DN65 80 100

零泄漏不锈钢对夹双瓣蝶式旋启式止回阀H76H-16P DN65 80 100