HH47X-16蝶式缓冲止回阀

HH44X-16微阻缓闭止回阀

HC44X-10软密封止回阀 SFCV橡胶瓣止回阀

HC41X-16消声止回阀

H76X-16铸铁蝶型止回阀

H76W-16P不锈钢对夹双瓣旋启式止回阀

H76H-16对夹双瓣式蝶形止回阀

H71W-16P不锈钢对夹升降式止回阀

H64Y-1500LB型对焊式磅级止回阀

H64Y-250C焊接式高温高压电站止回阀

H61H-320C焊接式升降式止回阀

H47X-2.5C风道止回阀