HH44X逆止阀微阻缓闭式止回阀

H74X止回阀对夹单瓣止回阀

H74F46对夹单瓣衬氟止回阀

DH77X蝶形对夹止回阀

H71W对夹式止回阀

H74W止回阀不锈钢对夹式止回阀

HH49X不锈钢微阻缓闭蝶式止回阀

H76X对夹蝶式双瓣止回阀

HDH46XHH46X微阻缓闭消声止回阀

HDH48XHH48X微阻缓闭蝶式止回阀

HH44Z带液压缸微阻缓闭止回阀

H76H对夹蝶式止回阀