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Jacket insulation breathing valve



Location:Products >> Flame arrester and breathing valve >> Jacket insulation breathing valve
Model: JAV
Valve size: DN25-300mm
Nominal: PN1.0MPa
proof level: BS 5501: IIA, IIB, IIC
Material: steel
casing material: carbon steel, 304
valve disk, a valve seat material: Aluminum alloy, stainless steel, etc.
seal material: polytetrafluoroethylene
flange standard: HG20592-97
Product details

JAV-I jacket insulation breathe Overview
       JAV-I jacket insulation breathing valve for the installation of crude oil, gasoline, kerosene, light diesel oil, aromatics and other fixed top-type storage tank on the main safety equipment, jacket insulation breathing valve is up Evaporation loss and protection of tank against overpressure or vacuum from damage (jacket insulated breathing valve). Jacket insulation breathing valve is usually used with the flame arrester. Jacket insulation breathing valve, jacket insulation breathing valve.


 JAV-I jacket insulation breathing valve features
 1, jacket breathing valve material made of cast steel, stainless steel, good corrosion resistance. 
 2, the valve plate, valve ring stainless steel, PTFE material. Low temperature, antifreeze performance is good. 
 3, the valve is installed on the fixed roof tank ventilation device to reduce evaporation loss of oil, control the pressure of the tank. 
 4, the valve has a large amount of ventilation, leakage, corrosion resistance, antifreeze good. 
 5, It can automatically adjust the internal and external pressure on the oil tank and other characteristics. 
 6, simple structure, light weight, easy maintenance, easy installation. 
 
 JAV-I jacket insulation breathing valve main dimensions and flange connection size

Jacket insulation breathing valve 
specifications
Jacket insulation breathing valve 
weight (Kg Taiwan)
Jacket insulation breathing valve installation size (mm)
D1 D1 L H n × Φ
DN50 6.5 Φ110 Φ140 160 255 4 × 14
DN80 9.8 Φ150 Φ185 213 260 4 × 18
DN100 12 Φ170 Φ205 265 290 4 × 18
DN150 21 Φ225 Φ260 305 330 8 × 18
DN200 31 Φ280 Φ315 355 350 8 × 18
DN250 35 Φ335 Φ370 420 400 12 × 18


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