对夹式升降式止回阀
H71H-16P-DN40 301材质对夹式升降式止回阀
H71H-16P-DN40 304材质对夹式升降式止回阀
H71H-16C-DN50 对夹式升降式止回阀
H71H-16P-DN50 301材质对夹式升降式止回阀
H71H-16P-DN50 304材质对夹式升降式止回阀
H71H-16C-DN65 对夹式升降式止回阀
H71H-16P-DN65 301材质对夹式升降式止回阀
H71H-16P-DN65 304材质对夹式升降式止回阀
H71H-16C-DN80 对夹式升降式止回阀
H71H-16P-DN80 301材质对夹式升降式止回阀
H71H-16P-DN80 304材质对夹式升降式止回阀
H71H-16C-DN100 对夹式升降式止回阀
H71H-16P-DN100