液力自动缓闭止回阀

HC44X-10橡胶瓣止回阀

HDH48X-10/16蝶式微阻缓闭止回阀

H4HHX-16微阻缓闭止回阀

H42F46衬氟立式止回阀

H42W-16P不锈钢立式止回阀

H72H对夹立式止回阀

H42H锻钢立式升降止回阀

H44T-10旋启式铸铁止回阀

H41T-16升降式铸铁止回阀

H61Y电站止回阀

H61H-16C锻钢止回阀