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Shandong Hugong Valve Manufacturing Co., Ltd
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All-weather breathing valve

All-weather breathing valve

Country/Region china
Company Shandong Hugong Valve Manufacturing Co., Ltd
Categories Air Relief Valve
Update 2019-08-13 04:10:19
ICP License Issued by the Chinese Ministry
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Products > Flame arrester and breathing valve > All-weather breathing valve
    • 1

All-weather breathing valve

Model: GFQ-11
Nominal diameter: DN25 ~ 250mm (1 "~ 10")
Operating temperature: -30 ~ 60 ℃
body material: carbon steel WCB, 304,316 stainless steel, aluminum
Application: gasoline, benzene, methyl stupid, the same kerosene, light diesel oil, crude oil and other chemical properties of the product storage tank
Connection: flanged (II) a threaded connection (III) male thread (IV)
Design standards: GB5908-86, GB1347 -92
Flange Standard: HG 20592-97, ANSI B 1.6, GB HGJ SH JB
Hotline:+86-0536-8356588

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  • Product introduction

Scope of application The
new all-weather breathing valve is suitable for storing Class A oil with flash point D at 28and class B oil with flash point D at 60 ℃, such as gasoline, stupid, stupid, kerosene, light diesel oil, engine oil, crude oil, etc. Oil products and properties of the same chemical storage tanks.Can be used with the new corrugated flame arrester.


Instructions for use
Breathing valve installed in the top of the tank, is to solve the positive pressure tank, negative pressure gas, the tank of liquid access is not hindered, when the external liquid into the tank when a large number of gas out call (called positive pressure) .If the tank liquid output when the tank must be drawn into the tank from the outside air (called negative pressure).Stop breathing when the valve is automatically closed will not leak the liquid gas tank, so that the liquid inside the tank has been a good guarantee.


MAINTENANCE AND SERVICING
For the safety of the breathing valve, check whether the guide rod and the valve plate are flexible before use.This valve should be regularly (within 6 months) check the positive and negative valve disc is flexible, valve disc contact surface for damage, if damaged should be overhaul immediately.After maintenance, everything is normal and can be reused.

The main technical parameters

aJ positive pressure355pa (36mm water column)
Negative pressure295pa (30mm water column)
b-level pressure980pa (100mm water column)
Negative pressure295pa (30mm water column)
c-class pressure1765pa (180mm water column)
Negative pressure295pa (30mm water column)


Parts and materials

Body materialCarbon steel wcb, stainless steel 304,316, aluminum
Positive pressure valve disc material

Product Tags:

stainless steel

      

316 stainless steel

      

valve plate

      
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