FLANGED JOINT FOR RESERVOIR Russian patent published in 2002 - IPC

FIELD: devices for tight detachable joints of reservoirs and pipe lines; petrochemical, power and other types of equipment working at high temperatures of working medium. SUBSTANCE: proposed flanged joint includes devices for interconnecting flanges, two sealing members made in form of rings having sealing and contact surfaces and ring-shaped band in form of knife- edge support located over line dividing the sealing surfaces into equal flats. Tight member is located between sealing members forming autonomous self-setting lens; ring-shaped band is located between sealing members. Ring-shaped band has at least one through passage connecting the cavity between ring-shaped band and tight member with inner cavity of reservoir. EFFECT: enhanced reliability of sealing. 2 cl, 3 dwg