Shanghai Valve Valve Manufacturing (Group) Co., Ltd.
Kuæa>Proizvodi>Multifunctional Fire Resistant Breathing Valve
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    52 Lane 58, Lu Shen Road, Zhao Lane, Qingpu District, Shanghai
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Multifunctional Fire Resistant Breathing Valve
Model: GFD/FQ Nominal Pressure: PN1.0-4.0MPa Operating Temperature: -40-400 ℃ Nominal Diameter: DN15-300 Connection Mode: Flange, Thread Main Material
Detalji proizvoda

Product overview
GFD/FQ multi-function fire-resistant breathing valve ye ventilation device ye tɔ̈ɔ̈u në tank de tɔ̈ɔ̈u. Lɔ̈k bɛ̈ɛ̈i bɛ̈ɛ̈i bɛ̈ɛ̈i bɛ̈ɛ̈i bɛ̈ɛ̈i bɛ̈ɛ̈i bɛ̈ɛ̈i bɛ̈ɛ̈i bɛ̈ɛGFD/FQMultifunctional Fire Resistant Breathing ValveA bɛ se ka kɛ sababu ye dɔ̈ɔ̈r dɔ̈ɔ̈r dɔ̈ɔ̈r dɔ̈ɔ̈r dɔ̈ɔ̈r dɔ̈ɔ̈r dɔ̈ɔ̈GFD/FQMultifunctional Fire Resistant Breathing ValveKä ye kek luɔ̈ɔ̈i aye petroleum, petrochemical materials, ku jɔl ya kä ye kek luɔ̈ɔ̈i aye kek luɔ̈ɔ̈i në ɣän ke kɔrɔ̈ɔ̈ŋ yiic, ku jɔl ya kä ye kek luɔ̈ɔ̈i në valves ye kek luɔ̈ɔ̈i në valves ye kek luɔ̈ɔ̈i në valv Kä ye kek looi aye kä ye kek looi, kä ye kek looi, kä ye kek looi, kä ye kek looi, kä ye kek looi, kä ye kek looi, kä ye kek looi, kä ye kek looi, kä ye kek looi, kä ye kek looi, kä ye kek looi, kä ye kek looi.

Pressure ë luɔɔi

A-class positive pressure: 355Pa (36 mm water column) negative pressure: 295Pa (30 mm water column)
B-class positive pressure: 980Pa (100mm water column) negative pressure: 295Pa (30mm water column)
C-class positive pressure: 1765Pa (180 mm water column) negative pressure: 295Pa (30 mm water column)


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