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QZF-89 Atmospheric Pressure Vacuum Relief Valve With Flame Arrestor

QZF-89 Atmospheric Pressure Vacuum Relief Valve With Flame Arrestor

Breathing valve is a kind of air breather which install on the petrochemical fixed storage tank, in order to avoid tank over the pressure or vacuum making the storage tank destruct, prevent the outside flame enter, reduce the tank fluid volatile.
Product Details


QZF-89 Atmospheric pressure vacuum relief valve with flame arrestor


Model is designed to vent to atmosphere to prouect your tank from damage created by over - pressure or excessive vacuum .The flame arrestor performs as an extinguishing barrier ,which absorbs and dispels heat ,reduces fire temperature and the oxygen level to stop the fire through layers of metal ribbons shaoed with crimped corrugations.


With the improvement of technologies of valve, valve areas continuously expanding, the corresponding valves standard is more and more indispensable. Valve industry has entered a period of innovation, product categories require not only new replace, internal management of enterprises also need to be based on industry standards for further reform.


Explosion-proof fire breathing valve is to maintain the tank pressure balance, reduce safety energy-saving products medium volatile, but also the use of principles of vapor heat transfer, protect the respiratory valve parts is not easy to freeze, the breathing valve to ensure the normal work, equipped with fire retardant explosion-proof function.


Fire breathing valve produced by our company has simplified structure, ventilation volume, less leakage, corrosion resistance, insulation, etc.

The valve adopts polytetrafluoroethylene material, has the advantages of low temperature resistant, anti frost. 

The electrostaticprotection device is provided with a respiratory valve, the valve and the tank to keep the 

same potential moment.


Body: ASTM A216 WCB, A217 WC6, A351 CF8, A351 CF8M, A351 CF3, A351 CF3M, A351 CN7M


Payment & Shipment 

Payment :30%T/T with order ,70% T/T before the shipment .

Package :carton case or wooden case .

Shipment :  25-45days after payment.

Shipping: by air ,by train mby sea .

Port :Ningbo,Shanghai .

    

 

If you have any  questions, please feel free to contact me.your enquiry  will get prompt attention.
we will do out best  to quote you a more competitive price and short delivery time .



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