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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 details

GFD/FQ Multi-function Fire-retardant Breathing Valve product overview

GFD/FQ multi-function fire-retardant breathing valve produced and sold by Baigang Valve Group is a ventilation device installed on the top of a fixed storage tank.Reduce the evaporation loss of oil and other liquids, control the tank pressure, to prevent the tank from being damaged by overpressure or vacuum.GFD/FQ multi-function fire-retardant breathing valve can also prevent the external flame from entering the role.GFD/FQ multi-function fire-retardant breathing valve is suitable for oil, petrochemical materials and other media, also suitable for cold areas, breathing valve operating pressure before leaving the factory are strictly tested and tested, users are not allowed to change or change the weight of the valve disc.Type of single breath valve, single suction valve, breathing valve, all kinds of structure can be combined with the flame arrestor structure, can also prepare the required nozzles.



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:

All text, data and pictures in this article are for reference only.To see more details of the GFD/FQ Multi-function Fire-retardant Breathing Valve performance parameters, structural dimension parameters, pricing, etc., or to request high quality printing samples, please Contact us.

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