| | | |  | 德標升降式止回閥 | | 型號:H41H | | 口徑:DN15-DN300 | | 壓力:1.6mpa-6.4mpa | | 材質:鑄鋼，不銹鋼 |  | |
|  | 彈簧式止回閥H71H，H | | 型號:H71H，H71W | | 口徑:DN15-DN200 | | 壓力:1.6mpa-6.4mpa | | 材質:不銹鋼，碳鋼 | | | |  | 彈簧升降式止回閥 | | 型號:H71H | | 口徑:DN32-DN200 | | 壓力:1.6mpa-6.4mpa | | 材質:鑄鋼，不銹鋼 | | | |  | 不銹鋼旋啟式止回閥 | | 型號:H44W | | 口徑:DN40-DN500 | | 壓力:1.6mpa-6.4mpa | | 材質:不銹鋼 | | | |  | 不銹鋼升降式止回閥 | | 型號:H41W | | 口徑:DN32-DN200 | | 壓力:1.6mpa-6.4mpa | | 材質:不銹鋼 | | | |  | 不銹鋼立式止回閥 | | 型號:H42W，H42H，H42Y | | 口徑:DN25-DN200 | | 壓力:1.6mpa-6.4mpa | | 材質:不銹鋼 | | | |  | H71W，H71H不銹鋼 | | 型號:H71W，H71H | | 口徑:DN15-DN200 | | 壓力:1.6mpa-6.4mpa | | 材質:不銹鋼 | | |
