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94201 Emergency Vent and Manhole Cover (with Expanda-Seal™)
Emergency Vents, Emergency Vents, L&J Technology, Shand & Jurs, Tank Fittings, Flame Arrestors, Valves & ACCAn economical solution to present day emergency venting requirements. It is designed to relieve excessive internal pressure in liquid storage tanks while providing excellent protection against costly tank roof rupture repair. The Expanda-Seal™ design also decreases product leakage below actual set point. The standard design is available in 20" & 24" flange.