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E-mail
shsvalve@126.com
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Address
No. 52, Lane 58, Lushen Road, Zhaoxiang Town, Qingpu District, Shanghai
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Shanghai Shangfa Valve Manufacturing (Group) Co., Ltd
Multi functional flame retardant breathing valve
NegotiableUpdate on 04/06
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Overview
Product model: GFD/FQ nominal pressure: PN1.0-4.0MPa working temperature: -40-400 ℃ nominal diameter: DN15-300 connection method: flange, thread main materials: 304, 316, 304L, 316L, SS316, WCB, CF3, CF8, cast steel, stainless steel, etc
Product Details
Product Overview
The GFD/FQ multifunctional flame retardant breathing valve 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, and prevent damage to the tank caused by overpressure or vacuum inside the tank.GFD/FQMulti functional flame retardant breathing valveIt can also prevent external flames from entering.GFD/FQMulti functional flame retardant breathing valveThe applicable medium is oil products, petrochemical materials, etc., and it is also suitable for cold regions. The operating pressure of the breathing valve is strictly tested and inspected before leaving the factory, and users are not allowed to arbitrarily replace or change the weight of its valve disc. The types include single call valve, single suction valve, and breathing valve. Various structural types can be combined with flame arresters and can also be configured with the required connecting pipes.
Operating pressure
A-grade positive pressure: 355Pa (36mm water column) negative pressure: 295Pa (30mm water column)
B-level positive pressure: 980Pa (100mm water column) negative pressure: 295Pa (30mm water column)
C-level positive pressure: 1765Pa (180mm water column) negative pressure: 295Pa (30mm water column)
