Matches 1 - 50 out of 64 1 2 >


Match Document Document Title
US20130062548 Backseat assembly for expanding gate valve  
A backseat assembly includes: a housing that includes a bonnet and a tubular portion and forms a void and a passageway therein; a gate/segment assembly that includes a gate and a segment; a stem...
US20110220828 SLUICE GATE VALVE  
The sluice gate valve includes at least one binding reduction mechanism to reduce binding during actuation of the sluice gate. In one embodiment the mechanism includes a the guide elements and the...
US20140203202 Sealing Microsawtooth Ring Joint of Two Opposing Surfaces  
A sealing microsawtooth ring joint, made between a toothed seating surface and a full plain seated surface by a microsawtooth ring with its tooth crest on the seating surface being a cutting edge...
US20110266483 Sealing Microsawtooth Ring Joint of Two Opposing Surfaces  
A sealing microsawtooth ring joint, made between a toothed seating surface and a full plain seated surface by a microsawtooth ring with its tooth crest on the seating surface being a cutting edge...
US20100308252 GATE VALVE  
A gate valve is disclosed for mounting in a pipeline, the gate valve comprising a valve body and a gate mounted in the valve body so as to be movable between an open position, and a closed...
US20140034861 SEALING SYSTEM FOR INDUSTRIAL GATE VALVES AND GATE VALVE COMPRISING SUCH A SYSTEM  
The present invention concerns a sealing system particularly for industrial safety valves, even more particularly for industrial gate valves. Hence, the subject of the present invention is both a...
US20130119288 GATE SHEAR VALVE  
A gate valve capable of shearing through any downhole tooling and maintaining its seal capability after the shearing operation is complete. The gate valve has a body with a flow passage therein...
US20140061521 Segmented Valve Packing Gland  
A packing gland for a valve wherein the packing gland includes a top portion for receiving a gate. The packing gland includes first and second longitudinal sections of packing material for sealing...
US20110259251 WEAR-RESISTANT VALVE FOR TRANSPORTING PARTICULATE MATTER AND METHOD OF MAKING  
The present disclosure provides a valve for controlling the flow of abrasive particles along a predetermined path from the outlet of a hopper to a conveying line in a particle collection or...
US20130313462 GATE VALVE  
A gate valve includes a valve plate located in a movable manner within a holder, a sealing for sealing off of the valve plate relative to the holder, and a wedge arrangement with several first...
US20140021397 SEALING ELEMENT FOR A GATE VALVE  
An elastomeric sealing element for a gate valve is described, the sealing element being generally annular in shape and having a mounting region and an abutting region; and a narrowed portion being...
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...
US20090057597 PROTECTION VACUUM GATE VALVE  
The present invention relates to an improved vacuum gate valve for a corrosion prevention. The corrosion prevention vacuum gate valve comprises a second actuator which includes a hollow first body...
US20090045371 BONDED SLIT VALVE DOOR SEAL WITH THIN NON-METALLIC FILM GAP CONTROL BUMPER  
The present invention provides a thin film spacer for maintaining a gap between a slit valve door and a sealing surface of a slit valve, such as a metallic insert. The film spacer can extend the...
US20120286182 SPLIT GATE VALVE WITH BIASING MECHANISM  
A system includes a split gate valve with first and second gate sections coupled together and configured to move together within a cavity of the split gate valve between an open position and a...
US20080083899 GATE VALVE WITH STREAMLINED FLOW  
A gate valve comprising a valve body including at least a first seat adjacent to a groove. A gate is slideably carried in the valve body for movement between an open position wherein the gate is...
US20120298899 DOOR FOR SEALING AN OPENIING  
A door for sealing an opening (2) in a wall (3) of a vacuum chamber (4) relative to the atmosphere includes a sealing element (1), which is attached to at least one rod (9, 9′, 9″) and which can...
US20110037010 GATE VALVE SEAT  
A gate valve seat for a gate valve includes a seat having a stepped outer wall surface, with a spring, spacer ring, front facing lip seal, and a rear facing lip seal disposed about the stepped...
US20120256113 REPLACEABLE FLOATING GATE VALVE SEAT SEAL  
A gate valve includes a floating gate valve seat that effects a seal between a gate of a gate valve and a gate valve body using a metal seal. The gate valve includes a floating gate valve seat...
US20120291877 GATE VALVE  
A gate valve including a valve body having a bore there-through, a gate moveable through the bore for blocking and unblocking flow through the bore, a moveable stem coupled to the gate for moving...
US20090146093 Ball Valve Housing Seat and Method of Securing the Same to a Ball Valve  
A valve comprises a housing, an annular housing seat, and a gate. The housing comprises a fluid inlet and a fluid outlet. The housing seat is fixed in position relative to the housing via epoxy....
US20090121173 VALVE ASSEMBLY HAVING A REINFORCED VALVE SEAT  
A knife gate valve includes a reinforced valve seat which prevents displacement of the valve seat when the valve is opened and closed. The valve includes a valve body defined by a first and second...
US20090236554 KNIFE GATE VALVE WITH SKEWED GATE SEAT INTERFACE  
A valve assembly comprising a valve body defining a fluid passage with a seat member positioned adjacent the fluid passage. A gate, having a leading edge, is supported in the valve body and is...
US20120313023 Gate Valve  
Disclosed is an expanding gate valve that expands the gate assembly by engagement of symmetrical opposing inclined cam surfaces with corresponding symmetrical opposing wedges, where at least one...
US20150060715 Gate Valve Seal Ring  
Embodiments of the present disclosure are directed toward a gate valve seal ring comprising a seat holder comprising a recess and a seat ring disposed within the recess, wherein the seat ring...
US20130105721 Drive System For An Electro-Mechanical Three-Way Dual Seat Valve  
A three-way dual seat valve having a valve body including mutually spaced apart annular first and second valve seats. Reciprocally mounted with respect to the valve body is a dual-faced valve stem...
US20120228537 GATE VALVE ASSEMBLY WITH AN AXIALLY FLEXIBLE SEAT  
A gate valve assembly having metallic valve seats that are axially resilient and maintain a static sealing interface between the valve seat and a body pocket and a sliding dynamic sealing...
US20140183396 MULTI-VALVE SEAT SEAL ASSEMBLY FOR A GATE VALVE  
A gate valve for use in oil field applications and including a seat seal assembly. The seat seal assembly includes primary, secondary, and tertiary seals for sealing the space between the seat...
US20100243936 VALVE  
A valve for use in connection with oil production and gas production comprising a valve housing (1) which is connected to at least one inlet (2) and an outlet (3), which together define a flow...
US20120261603 Gate Valve Having Low-Friction Coating Over Substrate and Method for Making Same  
A gate valve has a body, the body having a cavity and a flow passage intersecting the cavity. A seat fabricated from a ceramic and/or hardfacing alloy matrix composite substrate is mounted to the...
US20090114872 GATE VALVE  
A gate valve comprising a first part (10), a second part (12), and inlet/outlet parts (14), wherein the first and second parts define a cavity in the body and where a wedge (18) is movable in said...
US20130001456 GATE VALVE  
A gate valve for controlling the flow of pressurized fluid having a dynamically-energized seal between a seat ring and a valve body. The dynamically-energized seal may be located in an annular...
US20130112906 NON-SLIDING GATE VALVE  
A parallel movement mechanism including guide grooves and guide rollers and a vertical movement mechanism including cam grooves and cam rollers are interposed between a drive rod and a valve shaft...
US20090301586 PUMP  
Pump, in particular a servo steering pump for motor vehicles, having a flow control valve and a valve sleeve which has inflow openings to the flow control valve and a pressure connection to a...
US20100206385 GUIDED NON-PORTED EXPANDING GATE VALVE AND METHOD  
The disclosure provides a non-ported expanding gate valve and method of use, including an expanding gate assembly and a slotted guide, fixedly positioned on the valve body and slidably coupled...
US20110226976 VALVE FOR CONTROL OF HIGH PRESSURE AIR PRESSURE AIR PULSE  
A valve for use in the control of pressurised air from a pressure tank, the pressure tank including a wall in which an outlet port is formed, the wall having an inner surface and an outer surface....
US20100001222 VALVE, NAMELY FOR BOTTLES FOR ULTRA-HIGH PURITY GAS  
A valve for pressurized or liquefied gas comprises a valve body (12) with a gas flow channel (16) and in this channel a sealing seat (30) for an open/close element (32) having a free end (60)...
US20130105720 Electro-Mechanical Three-Way Dual Seat Valve  
A three-way dual seat valve having a valve body including mutually spaced apart annular first and second valve seats. Reciprocally mounted with respect to the valve body is a valve stem which...
US20130168591 VALVE SEAT, VALVE WITH SEAT AND METHOD OF FITTING SEAT TO VALVE  
A valve seat (10) for use in a valve incorporating a valve gate is disclosed, the valve seat comprising a valve seat body (12) and a biasing device (14) such as a spring (14), the biasing device...
US20150083954 PRESSURE EQUALIZING VALVE  
A gate valve includes a body with a flow passage intersected by a gate cavity and a gate with an axis, the gate being axially movable in the gate cavity between a gate closed position and a gate...
US20120318528 GATE VALVE SEAT AND SEAT RING  
A gate valve has a body, the body having a cavity and a flow passage intersecting the cavity. A seat is mounted to the body at the intersection of the flow passage and the cavity. A gate is...
US20120319025 Trunnion Control Gate Valve For Sever Service  
This invention relates to a novel control valve with a new gating mechanism, new flow throttling mechanisms and metal seal rings, more particularly to a trunnion control gate valve with those...
US20120138835 Low Friction Coatings for Dynamically Engaging Load Bearing Surfaces  
A gate valve has a body, the body having a cavity and a flow passage intersecting the cavity. A seat ring is mounted to the body at the intersection of the flow passage and the cavity, the seat...
US20140332707 Valve With Removable Seat  
A valve has a housing defining an inlet and an outlet and a cavity therebetween which receives a valve seat. The valve seat defines a slot which receives a gate. The valve seat is sealingly...
US20090020720 METHODS AND APPARATUS TO ALIGN A SEAT RING IN A VALVE  
Methods and apparatus to align a seat ring in a valve are described. An example fluid valve includes a valve body having a curved internal surface to receive a seat ring and a seat ring having a...
US20110265952 MICROWAVE PLASMA PROCESSING DEVICE AND GATE VALVE FOR MICROWAVE PLASMA PROCESSING DEVICE  
A gate valve includes a plate-shaped valve element which is rectangular-shaped to suit the shape of an opening of a processing chamber and has a size larger than the opening. A hermetically...
US20150014568 Gate Valve with Seat Assembly  
The present invention provides a gate valve assembly having a valve body with a channel extending from a distal end to a proximal end, a gate configured to be moved from a first position to a...
US20140001390 Split Seat Shear Valve  
A gate valve has a gate valve seat for sealing a valve body to a gate of the gate valve. The valve seat extends from a flow passage of the valve body into a cavity of the valve body parallel to an...
US20100264350 VALVE ASSEMBLY HAVING A UNITARY VALVE SLEEVE  
A valve assembly preferably including a housing having a recess and a flange face and a valve sleeve disposed within the recess. The sleeve preferably includes an annulus having an outer surface...
US20120080634 VALVE BORE SEALING METHOD AND APPARATUS  
A gate valve has a body, the body having a cavity and a flow passage intersecting the cavity. A seat ring is mounted to the body at the intersection of the flow passage and the cavity, the seat...

Matches 1 - 50 out of 64 1 2 >