GTQ type breather valve plate device moves, acuity degree is high, after the completion of the action, tightly closed. Gas flame arrester has simple structure, light weight, easy to check repair, installation is convenient. 2, the new installing a pressure valve plate, will guarantee interface, flexible rod up and down. Q: breathing valve office principle and product protection and nurse answer: breathing valve body can take 0. 2 mpa water pressure, no penetration and variant phenomenon. disc, valve sealing ring and using stainless steel material of tetrafluoroethylene as he saw fit. Low temperature resistant, antifreeze performance is good. This valve is installed on the fixed roof tank ventilation device, detract from oil evaporation damage, curb the tank pressure effect. In the normal temperature of 36 ℃ topped 72 hours of operation, when the action 10000 times, pressure valve, vacuum valve plate and guide bar interface show no sign of whatever the abrasion and bruised, guide bar no stuck up and down acuity. In order to guarantee the performance of the new is not restricted by weather respiration valve to achieve absolute use goal. It can on the fuel tank pressure inside and outside the semi-automatic regulation such as the unique place. Absolute qualified requirements. 3, start using the new breather Industrial Valves, be sure to completely remove her between the valve plate shock. Operating pressure: grade A positive pressure: 355 pa ( 36 millimeter water column) Negative pressure: 295 pa ( 30 millimeter water column) B positive pressure: 980 pa ( 100 millimeter water column) Negative pressure: 295 pa ( 30 millimeter water column) 1765 pa (C level positive pressure: 180 millimeter water column) Negative pressure: 295 pa ( 30 millimeter water column) * GFQ without being limited by the weather * GZW - breathing valve I flame arrester * QZF - resistance deflagration pipes Type 89 aluminum alloy is not restricted by weather * QHXF - fire breathing valve 89 explosion-proof breather valve. Breathing valve good low temperature resistance performance in relatively humid air more than 70 one hundred percent, the lowest temperature of - At 30 ℃, frozen by 24 hours, the opening pressure of the disc is office pressure requirements, ( Allow the differential plus or minus 20 pa) 。 Main specifications/special features: the unique local and Marine valve performance fire equipment material new pipeline sees fit and use: cast iron, cast steel, stainless steel, aluminum and good resistance to corrosion. This valve has the ventilation rate, small amount of leakage and corrosion resistant, antifreeze performance is good. Water pressure trying to conform to the standards. Not up to office pressure once breathing valve: nominal diameter 150 mm or less, the leak amount 0 or less. 04 m3 / h; Nominal diameter 220 mm or more, the leak amount 0 or less. 4 m3 / h; When breathing valve reaches up to office: back pressure valve plate immediately open, protection of the normal ventilation requirements of storage tank. Breathing valve in the six months of seizing and protect the aftercare. Low temperature resistant antifreeze connectivity standard: in - 42 ℃ for 2 hours operation, pressure valve, vacuum valve tray and tightly closed loop are no variant phenomenon. 1, seizing pressure valve plate and vacuum valve plate movement is flexible, contact guide valve ring shape. With sufficient space within the breathing valve and ensure the tank of the mind. Notes to the order: The national standard) A, A: B: product name, model, nominal size medium and temperature, pressure range C: whether there is attachment, delivery time, and special requirements so that we can correct selection for you. Second, if the valve has been selected by design unit of our company model, please order according to the valves parameters directly with our sales center. Three, it is very important when you use the occasion or the environment is more complex, would you please provide design drawings and detailed parameters, our engineers experts will concentrate on review and analysis for you. We can provide you with professional solutions, including design, customization, complete, operation and service. We've been working on the valve leader in the field of industry, to provide you with the latest knowledge of the valve, the best service, best technical adviser. Thank you for visiting our website, if you have any questions, you can call us, we will be dedicated to provide you with quality services. The factory provides professional ball valve, butterfly valve, gate valve, globe valve, check valve, relief valve, safety valve, Marine valve, oil valve, hydraulic control valve and other kinds of valves.
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