| |  | DH44Y法兰低温止回阀 | | 型号:DH44Y | | 口径:DN50-DN250 | | 压力:150LB-600LB | | 材质:碳钢，低温不锈钢 |  | | |  | JHL41X多功能止回阀 | | 型号:JHL41X | | 口径:DN50-DN400 | | 压力:1.0mpa-6.4mpa | | 材质:铸铁，铸钢，不锈钢 | | |
|  | H74H、H74X对夹单 | | 型号:H74H,H74X | | 口径:DN50-DN600 | | 压力:1.0mpa-6.4mpa | | 材质:铸铁，铸钢，不锈钢 | | | |  | H76X型对夹双瓣式止回 | | 型号:H76X,H76H,H76W | | 口径:DN50-DN1000 | | 压力:1.6mpa-6.4mpa | | 材质:碳钢，不锈钢 | | | |  | H71XT对夹式消声止回 | | 型号:H71XT | | 口径:DN40-DN250 | | 压力:1.0mpa-6.4mpa | | 材质:铸铁，铸钢，不锈钢 | | | |  | H72H对夹式高压止回阀 | | 型号:H72H | | 口径:DN10-DN200 | | 压力:20.0mpa-32.0mpa | | 材质:不锈钢，珞钼钢 | | | |  | H76X,H76H,H7 | | 型号:H76X,H76H,H76W | | 口径:DN50-DN1000 | | 压力:1.6mpa-6.4mpa | | 材质:铸铁，铸钢，不锈钢 | | | |  | 对夹式蝶形止回阀H76X | | 型号:H76X,H76H,H76W | | 口径:DN50-DN1000 | | 压力:1.6mpa-6.4mpa | | 材质:碳钢，不锈钢 | | | |  | H71H，H71W对夹升 | | 型号:H71H，H71W | | 口径:DN15-DN200 | | 压力:1.6mpa-6.4mpa | | 材质:铸铁，铸钢，不锈钢 | | | |  | 锻钢自密封止回阀H64Y | | 型号:H64Y,H61Y | | 口径:DN15-DN50 | | 压力:900LB～2500LB | | 材质:锻钢 | | | |  | 对夹蝶形止回阀 | | 型号:H76X，H76H，H76W | | 口径:DN50-DN600 | | 压力:1.0mpa-6.4mpa | | 材质:铸铁，铸钢，不锈钢 | | | |  | HH47、H47XF、H | | 型号:HH47X | | 口径:DN200-DN1400 | | 压力:1.0mpa-6.4mpa | | 材质:铸铁，铸钢 | | |
