00 304材质旋启式止回阀
H71H-16C-DN15对夹式升降式止回阀
H71H-16P-DN15 301材质对夹式升降式止回阀
H71H-16P-DN15 304材质对夹式升降式止回阀
H71H-16C-DN20 对夹式升降式止回阀
H71H-16P-DN20 301材质对夹式升降式止回阀
H71H-16P-DN20 304材质对夹式升降式止回阀
H71H-16C-DN25 对夹式升降式止回阀
H71H-16P-DN25 301材质对夹式升降式止回阀
H71H-16P-DN25 304材质对夹式升降式止回阀
H71H-16C-DN32对夹式升降式止回阀
H71H-16P-DN32 301材质对夹式升降式止回阀
H71H-16P-DN32 304材质对夹式升降式止回阀
H71H-16C-DN40