Patents for F16K 41 - Spindle sealings (6,230)
11/1993
11/10/1993EP0568617A1 High temperature perfluoroelastomere valve packing.
11/10/1993EP0568609A1 Perfluoroelastomer valve packing.
11/03/1993CN2145292Y Auto-pressure compensation no-leak sluice valvee
10/1993
10/27/1993CN2144738Y Long-life cut-off water valve
10/20/1993EP0565786A1 Vacuum gate valve
10/19/1993US5253679 Valve assembly for high pressure water shut-off gun
10/19/1993US5253671 High pressure diaphragm valve
10/13/1993CN2143696Y Health water tap
10/07/1993DE4308747A1 Valve with sliding seal working between seats - has membrane sealing mechanism from medium handled and integral with seal
10/07/1993DE4210506A1 Stuffing box allowing angular spindle movement - has bush movable radially and self-aligning spindle bearing and is pressed against seal between it and centring ring
10/05/1993US5249775 Use as a stop valve component over a wide range of pressures
10/05/1993CA1322633C Composites of flexible graphite particles and amorphous carbon
09/1993
09/23/1993DE4208323A1 Gland packed spindle seal for armature - has packing located via conical compression ring located by securing ring in housing groove
09/21/1993US5246204 Sampling valve
09/14/1993US5244183 Fugitive emission sealing assembly
08/1993
08/24/1993US5238252 Shut-off fittings with a sealing device
08/24/1993CA1321574C Valve stem seal
07/1993
07/27/1993US5230498 Live load packing system
07/22/1993DE4202364C1 Lift valve with raisable and lowerable spindle - has O-ring seal for inner space of upper housing section against throughflow duct in lower housing section
07/21/1993EP0551724A1 Actuator for a rotary valve
07/21/1993CN1074520A Multi-purpose energy-saving tight-closed valve
07/20/1993US5228472 Valve unit for pipeline equipped with double flow tube
07/14/1993CN2138218Y High sealing stop valve
07/06/1993US5225379 Resilience, stiffness; carbonized binder; valve packing end rings
07/06/1993US5224686 Valve assembly for high pressure water shut-off gun
06/1993
06/24/1993WO1993012364A1 Non-planar flexible graphite sealing rings
06/24/1993CA2125697A1 Non-planar flexible graphite sealing rings
06/22/1993US5221063 Selective double backseat for valve stems
06/16/1993CN2136371Y Leakproof fast opening-and-closing tap
06/02/1993CN2135083Y 阀门 Valve
06/01/1993US5215286 High pressure diaphragm valve
05/1993
05/26/1993CN2134555Y Anti-leak valve
05/19/1993CN2133724Y Sleeve isolation type anti-leak valve
05/18/1993CA1317926C Non-rising stem valve assembly and method of replacing a permanent seal
05/11/1993US5209501 Needle packing assembly
05/11/1993US5209256 Sealing arrangements
05/05/1993CN2132040Y Leakproof pressure stop valve
04/1993
04/28/1993CN2130972Y Low-temp angular stop valve
04/20/1993US5203539 Pipeline valve apparatus
04/15/1993WO1993007410A1 Valve seal apparatus
04/14/1993CN1020301C Non-rising stem valve
04/13/1993US5201532 Flexible non-planar graphite sealing ring
04/08/1993DE4132371A1 Instrument for influencing throughflow amt. of pipe carrying fluid - has cut=off component movable in and out in fluid passage and driven by drive element
04/06/1993CA1315765C Valve stem packing containment for high pressure, high temperature
03/1993
03/31/1993EP0454698B1 Spindle sealing for a shut-off fitting
03/30/1993US5197712 Leakage free bushing
03/24/1993CN2128689Y Double-end face sealing energy-saving apparatus for valve
03/17/1993CN1069849A Claw bowl
03/10/1993EP0530947A1 Fluid flow controller
03/09/1993US5192049 Dual rated live loaded packing system for a valve stem
03/03/1993EP0529334A2 Liquid delivery and vaporization system
03/02/1993US5190264 Adjustable valve packing arrangement
02/1993
02/18/1993WO1993003300A1 Valve assembly with removable packing
02/16/1993CA1313595C Device for waterproof metal bellow transmission, in particular for single rotation quarter turn valve
02/09/1993CA1313521C Plug valve
02/03/1993EP0525261A1 Stem seal
02/01/1993CA2073637A1 Stem seal
01/1993
01/12/1993US5178363 Valve stem sealing means for prevention of fugitive emissions
01/12/1993US5178304 Doser-dispenser for at least one pasty and/or liquid product
12/1992
12/23/1992CN2125758U Bellows sealed plastic stop valve
12/16/1992EP0518831A1 Ultra-low heat leak cryogenic valve
12/15/1992US5170991 Valve seal apparatus
12/09/1992CN2124354U Variable seal valve
12/09/1992CN2124350U Enclosed transmission type chlorine valve
12/02/1992CN2123660U Ball valve anti-drop tap device
11/1992
11/26/1992WO1992020946A1 A cylinder valve connection
11/25/1992CA2068193A1 Valve stem flex lip backseat
11/24/1992US5165657 Actuator for a rotary valve
11/19/1992EP0513268A1 Diaphragm valve
11/19/1992EP0513152A1 Needle packing assembly.
11/18/1992CN2122275U Sealing valve without leakage
11/18/1992CN2122270U Self-sealing large diameter quick stop valve
11/17/1992CA1310306C Seal
11/10/1992US5161780 Spindle seal for a shutoff valve
11/03/1992US5160118 Pipeline valve apparatus
11/03/1992US5160117 Bottom-of-vat valve
10/1992
10/28/1992CN2120007U Seal device for concrete mixer
10/27/1992US5158106 Ultra-low heat leak cryogenic valve
10/21/1992CN1065516A Internal-pressure sealing method for valve and pull-pressing internal pressure sealied stop valve
10/21/1992CN1065515A Internal pressure sealing method and internal pressure sealing structure of valve
10/14/1992EP0508658A2 Aseptic valve construction
10/14/1992EP0508007A1 Improvements in or relating to sealing arrangements
10/10/1992CA2065171A1 Sealing arrangements
10/06/1992US5152500 Aseptic valve construction
10/01/1992WO1992016776A1 Fugitive emission sealing assembly
09/1992
09/23/1992CN2116817U No-leak valve
09/17/1992WO1992015813A1 Process for manufacturing the internal parts of a vacuum valve having a valve disc and pleated bellows, and internal valve parts manufactured by this process
09/15/1992US5146945 Seal ring retainer and guide ring for valve plug
09/10/1992DE4106761A1 Verfahren zur herstellung von ventilinnenteilen fuer vakuumventile mit ventilteller und faltenbalg sowie nach diesem verfahren hergestellte innenteile Process for the manufacture of valve inside share for vacuum valves with valve disc and bellows, and after this procedure produced inside parts
09/08/1992US5145147 Normally closed-type fluid control valve
09/02/1992EP0501328A1 Fluid controller
09/02/1992EP0501145A1 Leakproof feedthrough
08/1992
08/20/1992WO1992014084A1 Bellows sealed rotary valve and seal assembly
07/1992
07/29/1992CN2111409U High-pressure stop valve
07/25/1992WO1992013225A1 Perfluoroelastomer valve packing
07/25/1992WO1992013224A1 High temperature perfluoroelastomere valve packing
07/25/1992CA2101786A1 High temperature perfluoroelastomer valve packing
07/25/1992CA2101785A1 Perfluoroelastomer valve packing
07/22/1992CN2110751U Cut-off valve
07/21/1992US5131666 Zero clearance anti-extrusion rings for containment of ptfe packing
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