H41X-16节能消声止回阀，HC41X-16P不锈钢立式升降式消声止回阀，HC42X静音式止回阀，铸铁丝口升降式止回阀H11T-10、铸铁丝口旋启式止回阀H14T-10、铸铁丝口立式止回阀H12T-10、铸铁消声止回阀HC41X-16、铸铁铜芯消声止回阀HC41T-16、静音式止回阀H42T(DRVZ、橡胶瓣式止回阀HC44X(SFCV)、滚球式球形止回阀HQ41X、消声缓闭式止回阀HH47\48\49X、对夹式止回阀H71H\X\F、对夹园片式止回阀H74H\F\X、对夹双瓣式止回阀H76H\F\X、微阻缓闭式止回阀HH44X/H/T、蝶式缓冲止回阀H47X\H- HH47X\H、保温碳钢止回阀BH44H、衬氟升降式止回阀H41F46、衬氟立式止回阀H42F46、美标不锈钢旋启式止回阀H44H-150LB、日标不锈钢旋启式止回阀H44W-20K、美标碳钢旋启式止回阀H44H-300LB、日标碳钢旋启式止回阀H44H-10K、锻钢法兰旋启式止回阀H44Y\H\W、锻钢丝口旋启式止回阀H14Y\H\W、锻钢法兰升降式止回阀H41Y\H\W、锻钢丝口升降式止回阀H11Y/H/W、黄铜法兰升降式止回阀H41W-16T
