H44W-16P 不锈钢旋启式止回阀

H44H-16C 铸钢旋启式止回阀逆止阀单向阀

H41H-16C 铸钢升降式法兰止回阀

H41H 德标升降式铸钢止回阀

H14W 丝口旋启式止回阀

LH45X限流止回阀

H76W-16P 不锈钢蝶型形止回阀

H74W-16P不锈钢超薄硬密封对夹式止回阀

H44T-16 铸铁旋启式法兰止回阀

H44H-150LB 铸钢美标法兰止回阀

H42F46-16C衬氟耐腐蚀立式止回阀

H41W-16P 不锈钢升降式止回阀