Gate valves or sliding valves

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

F16K3/00Gate valves or sliding valves

F16K3/02with flat sealing faces Packings therefor F16K3/0209the valve having a particular passage F16K3/0218with only one sealing face F16K3/0227Packings F16K3/0236the packing being of a non-resilient material F16K3/0245Curtain gate valves F16K3/0254being operated by particular means F16K3/0263using particular material or covering means F16K3/0272permitting easy assembly or disassembly F16K3/0281Guillotine or blade-type valves F16K3/029with two or more gates F16K3/03with a closure member in the form of an iris-diaphragm F16K3/04with pivoted closure members F16K3/06in the form of closure plates arranged between supply and discharge passages F16K3/08with circular plates rotatable around their centres F16K3/085the axis of supply passage and the axis of discharge passage being coaxial and parallel to the axis of rotation of the plates F16K3/10with special arrangements for separating the sealing faces or for pressing them together F16K3/12with wedge-shaped arrangements of sealing faces F16K3/14with special arrangements for separating the sealing faces or for pressing them together F16K3/16with special arrangements for separating the sealing faces or for pressing them together F16K3/18by movement of the closure members F16K3/182by means of toggle links F16K3/184by means of cams F16K3/186by means of cams of wedge from F16K3/188by means of hydraulic forces F16K3/20by movement of the seats F16K3/202by movement of toggle links F16K3/205by means of cams F16K3/207by means of hydraulic forces F16K3/22with sealing faces shaped as surfaces of solids of revolution F16K3/24with cylindrical valve members F16K3/243Packings F16K3/246Combination of a sliding valve and a lift valve F16K3/26with fluid passages in the valve member F16K3/262with a transverse bore in the valve member F16K3/265with a sleeve sliding in the direction of the flow line F16K3/267Combination of a sliding valve and a lift valve F16K3/28with resilient valve members F16K3/30Details F16K3/312Line blinds F16K3/314Forms or construction of slides Attachment of the slide to the spindle F16K3/316Guiding of the slide F16K3/3165with rollers or balls F16K3/32Means for additional adjustment of the rate of flow F16K3/34Arrangements for modifying the way in which the rate of flow varies during the actuation of the valve F16K3/36Features relating to lubrication