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  • Breathing Valve Double - China

    price: contact company for price

    Breathing valve

    Product characteristics :

    Breathing valve is fixed at the top of tank ventilation

    devices to ensure that the tank pressure normal. It prevents

    overpressure or vacuum so that tank won’t be damaged, and

    also reduces the loss of volatile liquid storage.

    According to the " Petrochemical design of fire safety

    regulations" ( GB50160- 92) states : " A B liquid fixed roof

    tanks, should be established with two semi- breathing valve,

    " Hichine company developed HB- type series of new products,

    complete with specifications, compact, light weight, the

    ventilation, small leaking advantages. Products are called

    single valve, single- suction valve, breathing valve

    structures can form combinations with fire retardant

    structure, also preparation for the takeover.

    Working media :

    Gasoline, kerosene, diesel oil, aromatics, sulfur, air, oil

    or other chemical materials. Selection of fire retardant

    under the category " HGJ21- 89" .

    Operating pressure and the use of ambient temperature:

    Expiratory pressure : B, C +980Pa, +1750Pa D, E +4KPa,


    Suction pressure : B, C - 295Pa, - 295Pa D, - 0.5KPa

    ( Operation pressure indicators can be specified by the user)

    environmental temperature : - 30 ° C - 60 ° C

    Company Contact:

    • Phone: 861083265380

    • Address: No. 19, South Road of West 4th Ring, Fengtai Distr, Beijing, China

    • Email: Email

    Published date: May 20, 2014 -

    • Business Description: Hichine is a joint stock enterprise which combines R&D, design,

      production, import & export as a whole, Hichine specializes in

      manufacturing fluid devices such as pumps&valves and providing related

      technologies, products and solutions. Hichine provides equipment,

      systems and services in order to help customers improve equipment

      performance and optimize their process. Hichine wins respect by quality

      and technology and service the customers all over the world through the

      business philosophy of "Endless pursuit of all users" .

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