Lift valves or globe valves

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F16Engineering elements F16KVALVES TAPS COCKS ACTUATING-FLOATS DEVICES FOR VENTING OR AERATING

F16K1/00Lift valves or globe valves

F16K1/02with screw-spindle F16K1/04with a cut-off member rigid with the spindle F16K1/06Special arrangements for improving the flow F16K1/08in which the spindle is perpendicular to the general direction of flow F16K1/10in which the spindle is inclined to the general direction of flow F16K1/12with streamlined valve member around which the fluid flows when the valve is opened F16K1/123with stationary valve member and moving sleeve F16K1/126actuated by fluid F16K1/14with ball-shaped valve member F16K1/16with pivoted closure-members F16K1/165with a plurality of closure members F16K1/18with pivoted discs or flaps F16K1/20with axis of rotation arranged externally of valve member F16K1/2007specially adapted operating means therefor F16K1/2014Shaping of the valve member F16K1/2021with a plurality of valve members F16K1/2028Details of bearings for the axis of rotation F16K1/2035the axis of rotation having only one bearing F16K1/2042Special features or arrangements of the sealing F16K1/205the sealing being arranged on the valve member F16K1/2057the sealing being arranged on the valve seat F16K1/2064with a channel- or U-shaped seal covering a central body portion F16K1/2071and being forced into sealing contact with the valve member by a spring or a spring-like member F16K1/2078Sealing means for the axis of rotation F16K1/2085Movable sealing bodies F16K1/2092the movement being caused by the flowing medium F16K1/22with axis of rotation crossing the valve member F16K1/221specially adapted operating means therefor F16K1/222Shaping of the valve member F16K1/223with a plurality of valve members F16K1/224Details of bearings for the axis of rotation F16K1/225the axis of rotation having only one bearing F16K1/226Shaping or arrangements of the sealing F16K1/2261the sealing being arranged on the valve member F16K1/2263the sealing being arranged on the valve seat F16K1/2265with a channel- or U-shaped seal covering a central body portion F16K1/2266and being forced into sealing contact with the valve member by a spring or a spring-like member F16K1/2268Sealing means for the axis of rotation F16K1/228Movable sealing bodies F16K1/2285the movement being caused by the flowing medium F16K1/24with valve members that, on opening of the valve, are initially lifted from the seat and next are turned around an axis parallel to the seat F16K1/26Shape or arrangement of the sealing Not used F16K1/28Movable sealing bodies Not used F16K1/30specially adapted for pressure containers F16K1/301only shut-off valves F16K1/302with valve member and actuator on the same side of the seat F16K1/303with a valve member F16K1/304Shut-off valves with additional means F16K1/305with valve member and actuator on the same side of the seat F16K1/306with a valve member F16K1/307Additional means used in combination with the main valve F16K1/308Connecting means F16K1/32Details F16K1/34Cutting-off parts F16K1/36Valve members F16K1/38of conical shape F16K1/385contacting in the closed position, over a substantial axial length, a seat surface having the same inclination F16K1/40of helical shape F16K1/42Valve seats F16K1/422attachable by a threaded connection to the housing F16K1/425Attachment of the seat to the housing by plastical deformation F16K1/427Attachment of the seat to the housing by one or more additional fixing elements F16K1/44Details of seats or valve members of double-seat valves F16K1/443the seats being in series F16K1/446with additional cleaning or venting means between the two seats F16K1/46Attachment of sealing rings F16K1/465to the valve seats F16K1/48Attaching valve members to screw-spindles F16K1/482with a collar on the spindle or a groove in the spindle, by which a fixing element is supported, the spindle reaching into the valve member F16K1/485with a groove in the spindle F16K1/487by a fixing element extending in the axial direction of the spindle F16K1/50Preventing rotation of valve members F16K1/52Means for additional adjustment of the rate of flow F16K1/523for limiting the maximum flow rate, using a stop F16K1/526for limiting the maximum flow rate, using a second valve F16K1/54Arrangements for modifying the way in which the rate of flow varies during the actuation of the valve