301材质对夹式升降式止回阀
H71H-16P-DN100 304材质对夹式升降式止回阀
H71H-16C-DN125 对夹式升降式止回阀
H71H-16P-DN125 301材质对夹式升降式止回阀
H71H-16P-DN125 304材质对夹式升降式止回阀
H71H-16C-DN150对夹式升降式止回阀
H71H-16P-DN150 301材质对夹式升降式止回阀
H71H-16P-DN150 304材质对夹式升降式止回阀
H71H-16C-DN200 对夹式升降式止回阀
H71H-16P-DN200 301材质对夹式升降式止回阀
H71H-16P-DN200 304材质对夹式升降式止回阀
H72H-16C-DN15 对夹式升降式止回阀
H72H-16P-DN15 301材质对夹式升降式止回阀