H76H-16C对夹式止回阀，H46H-16P不锈钢双瓣旋启式止回阀，美标凸耳式止回阀，碳钢升降式止回阀H41H-16-25C、不锈钢升降式止回阀H41W-25P/R、碳钢旋启式止回阀H44H-64C、不锈钢旋启式止回阀H44W-25P\R、碳钢立式止回阀H42H-25C、不锈钢立式止回阀H42W-25P/R、高温高压升降式焊接止回阀H61Y/H、高温高压旋启式焊接止回阀H64Y/H、铸铁升降式止回阀H41T-10/16、铸铁旋启式止回阀H44T-10/16、不锈钢丝口升降式止回阀H11W-16P/R、不锈钢丝口旋启式止回阀H14W-16P/R、不锈钢丝口立式止回阀H12W-16P/R、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
