152133 ⎘
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 Plug valves;; Details; Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces with the housing or parts of the housing mechanically pressing the seal against the plug
Sub-classes:SYSTEMS AND METHODS FOR DOUBLE PISTON EFFECT BALL VALVES
#2VALVE ASSEMBLY USEFUL FOR CRYOGENIC APPLICATIONS
#3SYSTEMS AND METHODS FOR DOUBLE PISTON EFFECT BALL VALVES
#4COOLANT CONTROL VALVE
#5VALVE WITH PRESSURE DIFFERENTIAL SEATING
#6VALVE SEAT AND A VALVE SEALING ARRANGEMENT OF A VALVE ASSEMBLY
#7SYSTEMS AND METHODS FOR RISING STEM BALL VALVES
#8BALL VALVE ASSEMBLY
#9BALL VALVE
#10VALVE
#11Valve seat, plug valve, and fracturing manifold
#12Valve seat and a valve sealing arrangement of a valve assembly
#13Valve with pressure differential seating
#14VALVE, AND METHOD FOR MANUFACTURING SAID VALVE
#15Divider Block System and Balancing Valve for Divider Block System
#16Ball valve assembly
#17Valve with pressure differential seating
#18Systems and methods for rising stem ball valves
#19Valve
#20TOP ENTRY VALVE FOR SEVERE INDUSTRIAL APPLICATIONS
#21Valve device
#22BALL VALVE, METHOD, AND SYSTEM
#23Ball valve assembly
#24DIRECTIONAL VALVE HAVING A VALVE HOUSING
#25Ball valve with pistoning seating surfaces
#26Valve providing supplemental feedback during operation
#27Valve with pressure seal protection
#28High pressure auto drain ball valve
#29Floating valve seat for a rotary control valve for use in severe service applications
#30System and method for valve seat arrangements
#31Methods and systems associated with a high pressure valve system
#32Rotary-type valve device
#33Valve assembly
#34Ball valve
#35Methods and apparatus to load a valve packing
#36Valve device
#37Top entry ball valve and method
#38Ball valve structure
#39Contoured integrated seat for ball valve
#40Seat insert in a ball valve for cryogenic applications
#41Systems and methods for rising stem ball valves
#42Low torque residential water shutoff valve
#43Water-abrasive-suspension cutting system
#44Double acting boost arrangement
#45Ball valve
#46Floating valve seat for a rotary control valve for use in severe service applications
#47Valve enclosure
#48EZE-Top ball valve
#49Bidirectional cryogenic firesafe floating ball valve
#50Valve device
#51Valve seats, valve assemblies, and related methods
#52Valve seal device
#53Non-pressure relieving ball valve
#54Valve seats, valve assemblies, and related methods
#55Valve with pressure differential seating
#56Valve with pressure differential seating
#57Ball valve
#58Serviceable and adjustable full bore ball valve trim arrangement
#59Ball valve for a pipe system for conveying liquid or gaseous media
#60Valve device
#61Cage reset planetary roller screw device
#62Elliptical ball valve seal
#63Spherical valve stem seat
#64Ball valve having an adjustable trim arrangement
#65Sealing device and sealing assembly
#66Valve device
#67Valve
#68Trunnion-type ball valve, valve seal structure, and valve packing
#69Valve assembly
#70Compact rotary valve body for coolant control valve
#71Connection fitting and heat management module including same
#72Valve for uranium hexafluoride storage tank
#73Valve device
#74Low friction valve stem
#75Flat bottom valve
#76Ball valve system
#77Ball valve with dual sealing structure
#78Flexible seat ball valve
#79Valve device
#80Mechanical energized sealing ball valve
#81Coolant control valve unit having sealing structure
#82Top entry ball valve
#83Assembly for compressing a ball valve seat
#84Top entry trunnion ball valve for safe in-line maintenance and method to facilitate such maintenance
#85Control or shutoff valve
#86Double-piston-effect valve
#87Ball valve with load varying mechanism, and method of operating the same
#88Ball valves with translating seating assemblies
#89Ball valve having dual pistons each individually actuable
#90Valve device
#91Top entry ball valve, installation assembly, and method therefor
#92Valve with a load varying mechanism, and method of operating the same
#93Powder isolating valve
#94High-pressure trunnion ball valve and hydrogen station using the same
#95Ball valve with anti-rotational pressure plate
#96Valve device, use of such a valve device and associated sealing device
#97Low-drag sealing method for thermal management valve
#98Trunnion ball valve for high pressure, and hydrogen station
#99Ball valve
#100Floating Ball Valve
#101Double piece retainer for compact value
#102Valve with a loading varying mechanism, and method of operating the same
#103Quarter turn ball valve with lift-off seats
#104Valve with stop mechanism
#105Ball valve
#106Draining device for machine tool
#107Seal carriers for ball valves, ball valve assemblies including such seal carriers, and related methods
#108Valve with stop mechanism
#109Seal arrangement for valve
#110Flow path opening/closing valve
#111Ball or half-ball valve with drain-proof mechanism
#112Valve assembly and components therefore
#113Valve with adaptive facial sealing ring
#114Valve stem assembly for rotary valve and method
#115In-line repairable metal seated floating ball valve
#116Load balancing spherical diameter single seat ball system
#117Valve assembly
#118Ball Valves and Associated Methods
#119Ball valve with integrated cam operated internal microswitch
#120Trunnion ball valve seat with V-section spring
#121Drop-in type of exhaust gas recirculation valve, and system for attaching same
#122Ball valve
#123Valve assembly
#124Seals, ball valve assemblies, and methods of operating ball valve assemblies
#125Ball valve having complex valve seat
#126Valve stem assembly for rotary valve and method
#127Continuous fluid circulation valve for well drilling
#128TRUNNION-MOUNTED BALL VALVE WITH REVERSE-PISTON EFFECT
#129Bi-directional sealing ball valve
#130Ball valve with anti-rotational pressure plate
#131Continuous fluid circulation valve for well drilling
#132FLUID PASSAGE VALVE AND METHOD OF ASSEMBLING SAME
#133Ball valve with a flat mounting face
#134Ball valve having self-centering seats
#135Flow Control Ball Valve
#136Seat ring
#137Dynamic ball valve sealing device for three-way valves
#138Ball valve with removable means for retaining the axial seal
#139Flexible Multifunctional Valve
#140Control Ball Valve
#141Valve assembly for viscous fluid dispensers
#142Valve assembly
#143Pigging ball valve
#144Control ball valve
#145Fluid flow control valve with high temperature bi-directional shutoff
#146Double piece retainer for compact valve
#147Split body, rotary C gate, removeable stem, vacuum valve
#148Trunnion ball valve with controlled ball-seat engagement and disengagement
#149System and method for valve seat arrangements
#150Double piece retainer for compact valve
#151Double piece retainer for compact valve