HIGH VELOCITY PRESSURE VACUUM RELIEF VALVE Model : SUPER - ISO Brand : TOP SAFE Origin : KOREA Introduction : High velocity vent and vacuum relief valve is designed to protect marine vessel systems, including cargo tanks, that may be subject to gas/vapour pressure or vacuum outside the design parameters of the system / tank. This valve is also designed for devices to prevent the passage of flame into cargo tanks in tankers and to relieve excessive over pressure or under vacuum of cargo tanks during cargo loading, discharging, ballasting and thermal variations. Benefit : • Protectable MESG 0.65mm chemical gases • Optional gas free cover • Safe-guard case from corrosion • Perfect air cushion damper • Effective outside setting adjustable system • Full stroke check lifting • Clearly visible vacuum disc operation • Complete self-drain & non-accumulation structure inside • Less than 0.5Hz of undamped oscillation
