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No Leakage type of High Velocity P/V Valve
Product overview (purpose)
This Rupture pin Type valve is No Leakage type of High Velocity Pressure Vacuum Relief Valve installed at cargo tank of tanker ship and chemical carrier. The purpose of this product is resolving to leakage and corrosion on PV valves by normally staying closed with no leakage condition and only opening at a preset positive pressure.
Related regulations
IMO MSC/Circ. 677/1009, ISO 15364:2007, ISO16852:2010
IMO MSC/Circ.450 Rev.1
IMO MSC/Circ.585
IMO MSC/Circ.731
API 2000 - Flow test procedure
Vapor control system of USCG ( 46 CFR.39-20.11 & 162.017 )
Advantages
• Prevention of Leakage
• Lesser VOC emission from Leakage
• Free setting pressure variation without design change
• Modification to higher setting pressure with low cost
• Low VOC generation with higher setting pressure
• Easy design for easy maintenance
• Decreased Lapping work for tightness
• Flame proof and Non oscillation
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