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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,

+18KPa

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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