| |  | 橡胶瓣止回阀HC44X（ | | 型号:HC44X（SFCV）、H44X | | 口径:DN40-DN400 | | 压力:1.0mpa-4.0mpa | | 材质:碳钢，铸铁 |  | | |  | HQ41X、HQ44X、 | | 型号:HQ41X、HQ44X、HQ45X | | 口径:DN50-DN350 | | 压力:1.0mpa-4.0mpa | | 材质:碳钢，铸铁 | | |
| | | | |  | 旋启式止回阀H44H | | 型号:H44H | | 口径:DN40-DN500 | | 压力:1.6mpa-10.0mpa | | 材质:铸钢，碳钢 | | | |  | H44H旋启式高压止回阀 | | 型号:H44H | | 口径:DN50-DN300 | | 压力:16.0mpa-25.0mpa | | 材质:铸钢，不锈钢 | | | |  | 旋启式高温止回阀H44H | | 型号:H44H,H44Y | | 口径:DN50-DN300 | | 压力:16.0mpa-25.0mpa | | 材质:铸钢，不锈钢 | | | |  | H44F46旋启式衬氟止 | | 型号:H44F46 | | 口径:DN25-DN400 | | 压力:1.6mpa-2.5mpa | | 材质:铸铁，铸钢 | | | | | |  | LH45限流止回阀 | | 型号:LH45 | | 口径:DN50-DN500 | | 压力:1.6mpa | | 材质:铸铁，铸钢 | | | |  | HQ41X无磨损球形止回 | | 型号:HQ41X | | 口径:DN50-DN350 | | 压力:1.0mpa-1.6mpa | | 材质:铸铁，铸钢 | | | |  | H14W黄铜卧式止回阀 | | 型号:H14W | | 口径:DN15-DN100 | | 压力:1.6mpa-10.0mpa | | 材质:黄铜 | | |
