|  | GFQ-2型全天候呼吸閥 | 型號(hào):GFQ-2 | 口徑:DN25-DN300 | 壓力:1.6mpa-6.4mpa | 材質(zhì):碳鋼,不銹鋼 |  | | |  | JAV型保溫夾套呼吸閥 | 型號(hào):JAV型 | 口徑:DN25-DN300 | 壓力:1.6mpa-6.4mpa | 材質(zhì):碳鋼,不銹鋼 |  | |
|  | 真空壓力閥 | 型號(hào):WED | 口徑:NPT 2 | 壓力:.. | 材質(zhì):鋁合金 |  | | |  | QZF-89型全天候防火 | 型號(hào):QZF-89 | 口徑:DN50-DN250 | 壓力:1.6mpa-6.4mpa | 材質(zhì):碳鋼,不銹鋼 |  | | |  | HXF-IZ型全天候防爆 | 型號(hào):HXF-IZ型 | 口徑:DN25-DN300 | 壓力:1.6mpa-6.4mpa | 材質(zhì):碳鋼,不銹鋼 |  | | |  | GYA液壓安全閥 | 型號(hào):GYA | 口徑:DN25-DN300 | 壓力:1.6mpa-6.4mpa | 材質(zhì):碳鋼,不銹鋼 |  | | |  | GFQ-2型全天候呼吸閥 | 型號(hào):QFQ | 口徑:DN50-DN250 | 壓力:1.0mpa-2.5mpa | 材質(zhì):碳鋼,不銹鋼 |  | |