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Jacket insulation breathing valve

Products > Flame arrester and breathing valve > Jacket insulation 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
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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)
D1D1LHn × Φ
DN506.5Φ110Φ1401602554 × 14
DN809.8Φ150Φ1852132604 × 18
DN10012Φ170Φ2052652904 × 18
DN15021Φ225Φ2603053308 × 18
DN20031Φ280Φ3153553508 × 18
DN25035Φ335Φ37042040012 × 18