SSUK Overview Catalogue - Safety Systems UK Ltd

Pressure/Vacuum Tank Protection ValvesThe Marvac range of pressure/vacuum relief valves,pilot operated relief valves, tank blanketing valves,emergency vent manways and gauge hatchesprovide unrivalled pressure protection for storagetanks and vessels.Pressure/vacuum relief valves aredesigned to protect storage tanks fromthe effects of inbreathing andoutbreathing, preventingimplosion and explosion.The Marvac range is available in a wide range ofstandard materials including stainless steel, carbonsteel and aluminium. Special alloys are regularlyincorporated including Hastelloy®, Monel®,Duplex and a variety of plastics.The Marvac product range is used extensively toprotect API 2000, ISO 28300 and BSEN 14015 lowpressure storage tanks.They are manufactured toISO 9001: 2008, certified to GOST-R,ATEX94/9/EC and are designed in accordance with theEuropean Pressure Equipment Directive.Product Size Pressure VacuumType Range Range RangePressure/Vacuum Relief Valves 50 to 400mm 2.5 mbarg -2.5 bargWeight (2" to 16") to 3500 mbarg to -800 mbargSpringPilot OperatedEmergency Vent Manways 250 to 900mm 4.5 mbarg -3.5 mbarg(10" to 36") to 140 mbarg to -250 mbargGauge Hatch 100 to 200mm – –(4" to 8")Tank Blanketing Valves 15 to 50mm Blanket - -2.5 mbarg(0.5" to 2") 2 to 600 mbarg to 14 mbargSupply -1.4 to 14 barg