Matches 1 - 50 out of 119 1 2 3 >


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US20130319542 GATE VALVE ASSEMBLY FOR INSTALLATION IN PRESSURIZED PIPES  
A gate valve is disclosed that may be installed in a pressurized pipe or conduit. The gate valve includes a cylindrical gate housing that has a slot through which a rectangular gate slides between...
US20140083546 FLOW CONTROL FOR LARGE DIAMETER CONDUITS  
A slide blind controls flow through conduits at a flanged connection. The slide blind has a right and left working plates configured such that one of the working plates is sealed between the...
US20150053281 DLC-COATED GATE VALVE IN PETROLEUM PRODUCTION OR WATER INJECTION  
The invention provides a gate valve (1) for control of petroleum production or water injection, distinctive in that at least one surface subject to sliding in operation of the valve comprises a...
US20110140027 GATE VALVE  
A gate valve and a method for making a gate valve for use with abrasive fracturing fluids, include provided enlarged spaces in the gate valve body wherein sand or other debris from the fracturing...
US20150247578 GATE VALVES FOR INSTALLATION IN PRESSURIZED PIPES  
A gate valve assembly is disclosed that may be installed in a pressurized pipe or conduit. The gate valve assembly includes a nozzle that is connected perpendicularly to the pipe. The nozzle...
US20140144248 FLOW METERING VALVE  
A valve includes a housing, a stern supported by the housing, and a valve member coupled to the stem. The valve member has a first passage defined therein with a metering flow profile, An...
US20130026407 MULTI-SEAL KNIFE GATE VALVE  
In order to compensate for the drawbacks of metal sheet-type knife gate valves having excellent durability but poor sealing capability, and of rubber sheet-type knife gate valves having good...
US20110240135 Pig Receiver Assembly  
A pig receiver and method retrieve pigs in pipeline pigging operations. In one embodiment, a pig receiver includes a pig receiver unit. The pig receiver also includes a pig gate valve assembly...
US20060226391 Water valve with expanding fittings  
A water valve with expanding fittings includes a valve body having an inlet pipe and an outlet pipe extending outward from the valve body. The inlet pipe is formed from an annular wall having an...
US20140023460 SLIT VALVE DOOR WITH MOVING MATING PART  
Embodiments disclosed herein generally relate to a slit valve door assembly for sealing an opening in a chamber. A slit valve door that is pressed against the chamber to seal the slit valve...
US20110089353 SEISMIC SAFETY VALVE AND VALVE ACTUATOR  
A safety valve is positioned in supply plumbing that supplies a fluid medium such as natural gas to a point of use structure such as a home. A mechanical actuator is provided remote from the...
US20080111094 Air compressed sluice valve  
The present invention provides an improved structure of an air compressed valve comprising a sluice pipe and a sluice outlet, wherein the sluice pipe has an external screw pattern and a blockade...
US20130056670 Gate Valve With Equalizer Port  
A gate valve is comprised of a gate movable between open and closed positions within a valve body, and gate having defined through it an equalizer port or passageway between opposite sides of the...
US20150147206 VALVE FOR METERING MEDIA IN THE MICRO-QUANTITY RANGE  
This invention relates to a valve for metering filled and/or pasty media. In accordance with an embodiment, the valve comprises a valve element having a metering opening and a valve gate movable...
US20130312832 VALVE WITH CONTOURED BORE TO DEFLECT PARTICLES  
A valve having a flow control assembly with a bore having particle-deflecting features is provided. In one embodiment, the bore of a flow control assembly of a valve includes a contour shaped to...
US20100301252 Universal Valve System  
The universal valve disclosed herein operates as both an actuated and non-actuated valve embodiment, both of which are assembled using a common universal valve body. When functioning in the...
US20120256111 SPLIT GATE VALVE  
Provided in some embodiments is a system that includes a split gate valve including first and second gate sections coupled together and configured to move together within a cavity of the split...
US20050156131 Fire resistant valve assemblies  
A gate valve assembly having: a flowway; a cavity intersecting the flowway; a slab gate movable within the cavity between an open position, a closed position, and a relief position such that the...
US20150075625 BULK ADHESIVE TRANSFER DEVICES, KNIFE GATE VALVE DEVICES, AND RELATED SYSTEMS AND METHODS  
A bulk adhesive transfer system for transferring adhesive particulate to a melter includes a bulk supply and a transfer device, which may define a hopper of the melter, a mobile bin, and/or a...
US20140217320 Gate Valve  
A gate valve system for controlling fluid flow having a valve body with a bore through which fluid can flow. The system includes a valve body having a bore to allow fluid to pass through the valve...
US20130192348 SENSOR-ENABLED GATE VALVE  
Methods, systems, and apparatus for a gate valve including a body and a sensing bore. A subassembly includes a body with a sensing bore; a bonnet contacting the body; and at least one of a vein...
US20090057596 Pendulum valve having independently and rapidly controllable theta-and z-axis motion  
A Pendulum Valve having Independently and Rapidly Controllable Theta- and Z-axis Motion. The valve actuator used in the present invention provides the benefit of wide open unrestricted flow of a...
US20120061601 GATE VALVE  
A high temperature gate valve including a valve body formed to define first and second ports and an exit, each of which has a length-wise dimension greater than a height-wise dimension, and a...
US20080237513 RECTANGULAR GATE VALVE  
A rectangular gate valve having an improved driving action is disclosed. The rectangular gate valve of the present invention includes a sealing member, which opens or closes a wafer moving...
US20130291954 ADJUSTABLE VALVE ACUTATOR SYSTEM  
A valve actuator apparatus and method for adjusting for valve bore drift using an adjustable downstop is disclosed. The adjustable downstop comprises a downstop and a drift adjuster. The drift...
US20120085957 Gate Valve  
A gate valve comprises a valve body having an internal working fluid passage and an internal gate chamber extending transverse to the working fluid passage. In addition, the gate valve comprises a...
US20130192350 SENSOR-ENABLED GATE VALVE  
Methods, systems, and apparatus for a gate valve including a body, a stem, and a sensing bore. A subassembly includes a body, a stem, and a sensing bore; a bonnet contacting the body; and at least...
US20090184279 WEDGE AND COVERED INSERT ASSEMBLY  
A partial valve assembly includes a wedge and a disk assembly that is assembled with at least one covered insert assembly and at least one O-ring. The insert assembly is covered with ethylene...
US20140110619 VALVE  
A valve includes a gate and an actuator. The gate has a gate opening with a first seal fixed to the gate and positioned along a periphery of the gate opening. The gate also has a blocking portion...
US20120280163 Septic leach line control apparatus  
A septic leach line control apparatus comprising a hollow housing with tapered continuous sidewalls extending from a top to a wider base at the bottom. The hollow housing includes a flange...
US20060124886 Gate valve  
A gate valve includes a housing, a gate support positioned within the housing, a gate connected to the gate support, and first and second actuators that control movement of the gate support and...
US20130334451 WEAR RING RETAINER FOR A GATE VALVE  
The present invention is directed to improved valves having removable interior wear rings secured by a removable retainer ring. In particular, the invention is directed to gate valves having...
US20080217569 Low Torque Gate Valve Mechanism  
A gate valve apparatus provides a manually operated gate valve with an operation mechanism that reduces the force required to actuate the gate valve and minimizes the number of handwheel turns...
US20110006236 Retractable and expandable water cooled valve gate useful for sealing a hot processing chamber  
A pendulum gate valve including an expandable gate which pivots when unexpanded to selectively block a vacuum or other pressure-differential passage. The valve includes a valve plate sealing one...
US20120160417 Single axis gate valve for vacuum applications  
A gate valve useful for pumping a high-vacuum processing chamber. The valve housing includes a first port for attachment to the vacuum chamber and a second port on the opposed wall and aligned...
US20090256099 GATE VALVE WITH EQUALIZER PORT  
A gate valve has a gate movable between open and closed positions within a valve body, and walls in the gate defining an equalizer port between opposite sides of the gate. The equalizer port is...
US20090166573 Method of Shutting Off Conduit and Pipe Conduit Shutoff Apparatus  
To enable efficient and easy attachment of a shutoff operation cover at a proper attaching position relative to two joining flange portions and also to restrict deformation in a leading end...
US20090159828 Valve Gate Piston Retention Device  
A piston and valve stem assembly is held in either a gate open or gate closed position by a valve gate piston retention device until such time as sufficient air pressure is built up behind the...
US20140174330 PLANTER AND SEED METER FOR PLANTING MULTIPLE SEED VARITIES  
A seed planter and seed meter for planting different seed varieties based on the location of the machine in a field. A movable gate switches between seed varieties. The gate in one embodiment has...
US20090020719 LINEAR MOTION-TYPE GATE VALVE  
A gate valve includes a valve plate for opening and closing a gas passageway, and an air cylinder and a shaft for linearly moving the valve plate between a main housing portion and a storage...
US20090026717 Sealing Material for Dovetail Groove and Vacuum Gate Valve Provided with Sealing Material for Dovetail Groove  
A sealing material in a closed circular shape for a dovetail groove formed on the surface of one member and to be abutted to the surface of the other member to seal a space between the both...
US20090101856 Gate valve actuator  
In combination with an external actuator for electrically operating a gate valve for use with a recreational vehicle, a gate valve within a housing, a flow passageway, a valve closure member...
US20150129787 RETAINER AND O-RING FOR VALVE SEALING  
A system for positioning a seal member on a movable valve stem. The system includes an O-ring surrounding a lower portion of a movable valve stem. A snap-on retaining collar is pushed into place...
US20090229693 HYDRAULIC VALVES WITH INTEGRAL SEALS  
A hydraulic valve comprises a plurality of ports, which communicate with a passageway, and a valve member movable in the passageway to control the communication between the ports. The valve member...
US20090095932 Knife Gate Valve  
A gate valve apparatus includes an inlet side panel, and outlet side panel defining a ring recess on its inner face. The panels are fastened together and the valve gate moves between the panels. A...
US20120168662 VACUUM VALVE WITH PROTECTED SEALING SURFACE  
A valve assembly disposed within a vacuum environment which is configured to protect the sealing surfaces thereof to prolong life of the valve assembly. The valve assembly includes a sealing...
US20130214191 KIND OF GATE VALVE  
a kind of gate valve is provided by the present invention, comprising a valve body, a knife switch and a driving device, the valve body being provided with a media passage, and the knife switch...
US20100065769 SLIDE VALVE  
The invention relates to a slider 1 for installation in a pipe, with a housing 2, a counter flange 3 and a sliding plate 4, wherein the housing 2 and the counter flange 3 respectively have an...
US20100102263 Recessed Cutting Edge For Wire Cutting Gate Valves  
A gate valve having a body, a chamber housed in the body, a passage through the body that intersects the chamber, a gate for selectively opening and closing the valve, and a cutting edge on the...
US20090267012 Sliding Valve  
The invention relates to a slide valve, especially for controlling a flow of catalyst or like high-temperature media, having a pipe portion (10) and, arranged therein, a restrictor (11) which has...

Matches 1 - 50 out of 119 1 2 3 >