Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary (taps of the lift-valve type F 16 K 1/00)
5
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02
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with plugs having conical surfaces; Packings therefor
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04
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with plugs having cylindrical surfaces; Packings therefor
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06
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with plugs having spherical surfaces; Packings therefor
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08
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Details
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10
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Means for additional adjustment of the rate of flow
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12
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Arrangements for modifying the way in which the rate of flow varies during the actuation of the valve
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14
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Special arrangements for separating the sealing faces or for pressing them together
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16
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for plugs with conical surfaces
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18
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for plugs with cylindrical surfaces
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20
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for plugs with spherical surfaces
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22
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Features relating to lubrication
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00
Diaphragm cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage (container gates or closures operating by deformation of flexible walls B 65 D 90/56; means for plugging pipes or hoses F 16 L 55/10)
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02
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with tubular diaphragm
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04
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constrictable by external radial force
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06
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by means of a screw-spindle, cam, or other mechanical means
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07
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by means of fluid pressure
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08
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constrictable by twisting
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10
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with inflatable member
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12
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with flat, dished, or bowl-shaped diaphragm
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14
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arranged to be deformed against a flat seat
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16
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the diaphragm being mechanically actuated, e.g. by screw-spindle or cam
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17
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the diaphragm being actuated by fluid pressure
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18
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with diaphragm secured at one side only, e.g. to be laid on the seat by rolling action
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20
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with a compressible solid closure member
11
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00
Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves; Arrangement of valves and flow lines specially adapted for mixing fluid [4]
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02
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with all movable sealing faces moving as one unit
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04
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comprising only lift valves
11
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044
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with movable valve members positioned between valve seats [4]
11
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048
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with valve seats positioned between movable valve members [4]
11
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052
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with pivoted closure members, e.g. butterfly valves [4]
11
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056
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with ball-shaped valve members [4]
11
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06
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comprising only sliding valves
11
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065
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with linearly sliding closure members [4]
11
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07
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with cylindrical slides [4]
11
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072
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with pivoted closure members [4]
11
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074
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with flat sealing faces [4]
11
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076
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with sealing faces shaped as surfaces of solids of revolution [4]
11
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078
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with pivoted and linearly movable closure members [4]
11
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08
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comprising only taps or cocks
11
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083
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with tapered plug [2]
11
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085
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with cylindrical plug [2]
11
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087
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with spherical plug [2]
11
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10
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with two or more closure members not moving as a unit
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12
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with one plug turning in another
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14
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operated by one actuating member, e.g. a handle (with one plug turning in another F 16 K 11/12)
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16
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which only slides, or only turns, or only swings in one plane
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18
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with separate operating movements for separate closure members
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20
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operated by separate actuating members (with one plug turning in another F 16 K 11/12)
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22
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with an actuating member for each valve, e.g. interconnected to form multiple-way valves
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24
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with an electromagnetically-operated valve, e.g. for washing machines
