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