No Leakage type High Velocity PV Valve

No Leakage type High Velocity PV Valve is a leakage-proof High Velocity Pressure Vacuum Relief Valve designed for installation in the cargo tanks of tanker ships and chemical carriers. Its primary function is to prevent leakage and corrosion in PV valves. This valve remains closed under normal conditions, ensuring no leakage, and only opens when a preset positive pressure is reached.

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:

• Leakage Prevention
• Reduced VOC Emissions
• Flexible Pressure Setting without Redesign
• Cost-Effective Pressure Adjustment
• Lower VOC Generation at Higher Pressures
• Simple Maintenance Design
• Reduced Lapping Requirements for Tight Seal
• Flameproof and Non-Oscillating

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