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365betͶע / Flame Arrestor / RFZT-1 Fire Block Ventilation Cap Consulting Hotline: 021-331007323

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RFZT-1 fire blocking vent cap

RFZT-1 fire blocking vent cap
Stable quality: implement quality monitoring throughout the process, meticulous and comprehensive detection!

Reasonable price: efficient internal cost control, reducing expenses and benefiting customers!

Fast delivery: advanced production lines, sufficient stocking, shortening the delivery time!
Sales: 021-31007323
Fax: 021-333321522
Technology: 021-31007323

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  Product name : Flameproof ventilating cap Product model : RFZT-1
   Driving method : Manual Connection form : Flange
   Applicable medium : air    Sealing material : Cemented carbide
   Pressure range : 1.6MPa    Nominal diameter : DN50-DN250
   Common materials : cast iron    Technical consultation : 021-31007323

是国内著名〖 RFZT-1阻火通气帽 〗制造商,也是国内大型【 阻火器 】生产商之一,公司自成立以来始终围绕客户的需求并持续创新,为广大的代理商和企业客户提供〖RFZT-1阻火通气帽 〗解决方案,质量可靠,价格实惠,故畅销全国各地,欢迎新老客户来电,来函,我们将为您提供最优质的服务。 Hushan Valve Manufacturing (Shanghai) Co., Ltd. is a well-known domestic manufacturer of [ RFZT-1 fire blocking vent cap ] and one of the large domestic [ fire arrester ] manufacturers. Since its establishment, the company has always focused on customer needs and continued innovation. The majority of agents and corporate customers provide the "RFZT-1 Fire Blocking Ventilation Cap" solution, which is reliable in quality and affordable, so it sells all over the country. Welcome new and old customers to call us and write us.

I. Overview of RFZT-1 fire resistance breathable cap

      是加油站,小型油罐透气不可少配套设备,是原设计的更新换代产品。 Fire blocking vent cap is a gas station, small oil tank ventilation essential supporting equipment, is a replacement product of the original design. 纹管道阻火器 连接形式有法兰连接何螺纹连接两种。 There are two types of corrugated pipe flame arrester connection: flange connection and thread connection. The top cap of the fire-resistant breathable cap is spray-coated on the surface of the refractory steel plate.
The shell is made of cast aluminum, and there are two types of stainless steel corrugated plate and aluminum corrugated plate, which meet the technical requirements of GB-5908-86. When the oil tank material swells or enters the oil, it is vented out through the flame-resistant corrugated plate, and when the oil is discharged from the oil tank, it sucks into the tank and
Stop all fire sources from passing through to ensure safety. The vent cap should be installed vertically on the top of the tank. The breathability of the corrugated board of the breathable cap should be checked frequently to ensure good fire resistance and breathability. Unscrew the cap on the vent cap during maintenance and loosen it.
Open the screw that fixes the fire wick, remove the fire wick, and check whether the fire wick is blocked, deformed or rusted. Should be cleaned or replaced in time, check twice a month.

Second, the use of RFZT-1 fire resistance breathable cap

RFZT-1 fire-proof breathable cap is an important accessory for urban industrial and mining enterprises, gas stations, and installed in storage tanks (or small oil tanks for light oil products with a pump capacity of 25m2 / n or less).

Performance parameters of RFZT-1 fire resistance breathable cap:



FZT-1 series fire resistance breathing valve

Nominal diameter


Nominal pressure


Medium temperature

≤200 ℃

Applicable medium



cast iron

RFZT-1 breathable cap size table
Flameproof ventilating cap




















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