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Fire Breather Valve

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Company Profile
Zhejiang Zhengchao Petrochemical Machinery Co., Ltd.
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Anfeng Industrial Zone OuBei Town, Wenzhou, Zhejiang Province, China.

Product details


Quick Details

Place of Origin: Zhejiang, China (Mainland)

Brand Name: zhenchao

Model Number: QZF-89

Material: CS, 304, 316L

Temperature of Media: Low Temperature

Pressure: Low Pressure

Power: Gravity

Media: Oil

Port Size: 2"-10"

Structure: Composite

Explosion proof type: IIB

Standard or Nonstandard: Standard

Supply Ability: 1000 Set/Sets per Month

Packaging & Delivery

Packaging Details: Wooden box

Port: Shanghai

Lead Time: 30day

Product Description

QZF -89 Type All-weather fire proof &explosion-proof breathing valve

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, insulationetc.. 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.

Technology Parameter

Operating Pressure:

Type A: +355pa (+36mmH2O) -295pa (-30mmH2O)

Type A: +355pa (+36mmH2O) -295pa (-30mmH2O)

Type B: +980pa (+100mmH2O) -295pa (-30mmH2O)

Type B: +980pa (+100mmH2O) -295pa (-30mmH2O)

Type C: +1950pa (+200mmH2O) -295pa (-30mmH2O)

Type C: +1950pa (+200mmH2O) -295pa (-30mmH2O)

Type D: According to user requirement (special pressure rating)

Note: Under normal circumstances, (fire) breathing valve operating pressure to B shall prevail;

Applicable materials: Gasoline, kerosene, diesel, aromatics, sulfur, air and other petrochemical materials;

Environment temperature: -40 °C -+60 °C;

Shell material: HT, AL, A3, 18-8, 304, 304L, 316, 316L.

Flange standards: HG20592-97 PN1.0 (also can be produced according to user specified criteria)

Company Information

Zhejiang Zhenchao Petrochemical Equipment Co., Ltd is a company with professional designing, developmenting and manufacturing prod-uction of petrochemical, medical technology, electricity, gold, textile, food, paper and other industries supporting equipment accessories manufacturer. Varies products with complete inspections and test equipments. Sales network across the country's hundreds of petrochemical equipment companies, thousands users. With the efforts of all staff continued exploration and developing, the company has achieved rapid development, products are sold throughout the country, praised by users. Our company have advanced technology and equipments, strong technical force,can be the manufacturer of other special-purpose products and accessories. The company motto: Only excellent quality products, and perfect after-sales service and reputation can acess the market. To thank new and old customers to the company's long time support and cooperation, but also to open up new market areas, warmly welcome all friends' visiting and business negotiations.