GFD/FQ Multi-function Fire-retardant Breathing Valve
Product overview
Product model: GFD/FQ
Nominal pressure: PN1.0-4.0MPa
Operating temperature: -40-400℃
Nominal diameter: DN15-300
Connection mode: flange, thread
Main material: 304,316,304L, 316L,
SS316, WCB, CF3, CF8, cast steel, stainless steel, etc
GFD/FQ Multi-function Fire-retardant Breathing Valve product overview
GFD/FQ Multi-function Fire-retardant Breathing Valve Operating pressure
Level A pressure: 355Pa (36 mm water column) the negative pressure: 295Pa (30 mm water column)
Class B pressure: 980Pa (100 mm of water) negative pressure: 295Pa (30 mm water column)
C stage pressure: 1765Pa (180 mm water column ) Negative pressure: 295Pa (30mm water column)
Reminder:
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