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        Your current location: ProductsOther ValvesAll-weather Respiration Valve

        GFQ-11 All-weather Respiration Valve

        Product overview

        Product model: GFQ-11
        Nominal diameter: DN25~250mm (1"~10")
        Operating temperature: -30~60℃
        Main material: carbon steel WCB, stainless steel 304, 316, aluminum alloy
        Application scope: gasoline, stupid, stupid, kerosene, light diesel oil, oil, crude oil and other oil products and chemical products with the same nature tank
        Connection type: flange connection (II) internal thread connection (III) external thread connection (IV)
        Design standard: GB5908-86, GB1347-92
        Flange standard: HG 20592-97, ANSI B 1.6, GB HGJ SH JB

        GFQ-11 All-weather Respiration Valve product details

        GFQ-11 All-weather Respiration Valve Scope of application
        GFQ-11 All-weather Respiration Valve produced and sold by Baigang valve group is suitable for storing Class A oil with flash point D at 28 ℃ and 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.


        GFQ-11 All-weather Respiration Valve 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.


        GFQ-11 All-weather Respiration Valve 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.


        GFQ-11 All-weather Respiration Valve main technical parameters

        aJ positive pressure 355pa (36mm water column)
        Negative pressure 295pa (30mm water column)
        b-level pressure 980pa (100mm water column)
        Negative pressure 295pa (30mm water column)
        c-class pressure 1765pa (180mm water column)
        Negative pressure 295pa (30mm water column)


        GFQ-11 All-weather Respiration Valve Parts and materials

        Body material Carbon steel wcb, stainless steel 304,316, aluminum
        Positive pressure valve disc material Stainless steel 304,316, aluminum alloy
        Negative pressure valve disc material Stainless steel 304,316, PTFE ptfe
        Ambient temperature ℃ -30 ~ 60


        GFQ-11 All-weather Respiration Valve GB flange connection Dimensions: gb, jb

        specification

        Installation size (mm)

        d1

        d

        d3

        h

        mh

        dn25 70 100 115 180 4 × 10

        dn50

        110

        140

        160

        255

        4 × 12

        dn80

        150

        185

        213

        260

        4 × 16

        dn100

        170

        205

        265

        290

        4 × 16

        dn150

        225

        260

        305

        330

        8 × 16

        dn200

        280

        315

        355

        350

        8 × 16

        dn250

        335

        370

        420

        400

        12 × 16


        GFQ-11 All-weather Respiration Valve API flange connection Dimensions: ansi, api, asme for jis standard

        specification

        Installation size (mm)

        d1

        d

        d3

        h

        mh

        1" 79.5 108 115 180 4 × 15

        2"

        120.5

        152

        160

        255

        4 × 19

        3 "

        152.5

        190

        213

        260

        4 × 19

        4 "

        190.5

        229

        265

        290

        8 × 19

        6 "

        241.5

        254

        305

        330

        8 × 22

        8"

        298.5

        343

        355

        350

        8 × 22

        10 "

        362

        406

        420

        400

        12 × 25



        Reminder:

        All text, data and pictures in this article are for reference only.To see more details of the GFQ-11 All-weather Respiration Valve performance parameters, structural dimension parameters, pricing, etc., or to request high quality printing samples, please Contact us.

        +86-021-57278881
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