| | | |  | 德标升降式止回阀 | | 型号:H41H | | 口径:DN15-DN300 | | 压力:1.6mpa-6.4mpa | | 材质:铸钢，不锈钢 |  | |
|  | 弹簧式止回阀H71H，H | | 型号:H71H，H71W | | 口径:DN15-DN200 | | 压力:1.6mpa-6.4mpa | | 材质:不锈钢，碳钢 | | | |  | 弹簧升降式止回阀 | | 型号:H71H | | 口径:DN32-DN200 | | 压力:1.6mpa-6.4mpa | | 材质:铸钢，不锈钢 | | | |  | 不锈钢旋启式止回阀 | | 型号:H44W | | 口径:DN40-DN500 | | 压力:1.6mpa-6.4mpa | | 材质:不锈钢 | | | |  | 不锈钢升降式止回阀 | | 型号:H41W | | 口径:DN32-DN200 | | 压力:1.6mpa-6.4mpa | | 材质:不锈钢 | | | |  | 不锈钢立式止回阀 | | 型号:H42W，H42H，H42Y | | 口径:DN25-DN200 | | 压力:1.6mpa-6.4mpa | | 材质:不锈钢 | | | |  | H71W，H71H不锈钢 | | 型号:H71W，H71H | | 口径:DN15-DN200 | | 压力:1.6mpa-6.4mpa | | 材质:不锈钢 | | |
