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Matches 1 - 45 out of 45


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US20140027660 LOW LEAKAGE FLUE DAMPER  
A flue damper comprises a damper gate having first and second sides, and first and second seal stops. In one embodiment, a first seal is mounted to the first side of the damper gate and has a free...
US20100326535 Butterfly valves  
A butterfly valve for forming an enhanced seal between the disk and the annular seal through use of unmated surfaces on the sealing face of the disk and the sealing face of the annular seal.
US20120181469 THRUST PLATE FOR BUTTERFLY VALVE  
A thrust plate for a butterfly valve includes a thrust plate body that defines a recess. The recess extends between a bottom thrust surface, side walls and an open top. A wear-resistant coating is...
US20140117267 VALVE DEVICE FOR CONTROLLING AN EXHAUST GAS FLOW OF AN INTERNAL COMBUSTION ENGINE  
A valve device for controlling an exhaust gas flow of an internal combustion engine includes a housing comprising a channel which has the exhaust gas flow therethrough. A shaft is disposed in the...
US20130284963 Butterfly Valve and Stem Sealing Assembly  
A butterfly valve capable of preventing leakage under demanding environmental and operating conditions. The valve includes two stem seal assemblies. The stem seal assemblies include a first pusher,...
US20140151592 BUTTERFLY VALVE AND METHOD OF CHECKING FOR LEAKS IN THE SAME  
A butterfly valve is disclosed. In one aspect, the butterfly valve includes a pipe-shaped housing, a valve disk rotatably arranged within the pipe-shaped housing, a space forming member formed...
US20140203201 BUTTERFLY VALVES HAVING MULTIPLE SEALS  
Butterfly valves having multiple seals are described herein. An example butterfly valve includes a body defining a passageway between an inlet and an outlet. The example butterfly valve includes a...
US20140008561 DAMPER BLADE SEAL SYSTEM  
A damper having a first seal and a second seal disposed to cooperatively engage an adjacent first blade end portion and second blade end portion such that a dead air space is created between the...
US20140231689 VALVE ASSEMBLY INTENDED FOR USE TOGETHER WITH A PALLET CONTAINER AND A LINER  
A valve assembly (2) intended for use together with a pallet container (1) and a liner. The valve assembly (2) comprises a support member (6). The support member (6) is provided with a guiding hole...
US20080078972 Butterfly valves having sleeve inserts  
A butterfly valve having a valve body, a butterfly shaft, a butterfly plate, and a sleeve insert is provided. The valve body is made of a first material and the sleeve insert is made of a second...
US20130168589 HIGH TEMPERATURE BUTTERFLY VALVE  
A high-temperature butterfly valve (100) is provided. The high-temperature butterfly valve (100) includes a valve assembly (110), a valve actuator (123) configured to couple to the valve assembly...
US20100301249 BUTTERFLY VALVE PLATE SEALING ASSEMBLY  
Butterfly valve plate sealing assemblies are provided that include a sealing ring and a retention spacer disposed at least partially within a sealing ring groove formed about a periphery of a...
US20120025118 BUTTERFLY VALVE PLATE SEALING ASSEMBLIES  
A sealing assembly for use in a valve plate assembly includes a sealing ring and a retention spacer. The sealing ring has a radial ring section and an axial ring section, the axial ring section...
US20140231688 VALVE ASSEMBLY  
A valve assembly (2) intended for use together with a pallet container (1) and a liner. The valve assembly (2) comprises a valve (3), a valve seal (4) and an outer lip seal (5). The valve assembly...
US20130341548 CONTAMINATION RESISTANT BUTTERFLY VALVE  
A butterfly valve assembly for use in a fluid flow containing particles of debris is provided including a valve element. The valve element has a seal groove that extends about a periphery and...
US20080073612 Metal Seal With Flexible Insert  
A rotary valve includes a valve body with an inlet, an outlet, a flow passage extending between the inlet and the outlet, and a rotating control element disposed within the valve body for...
US20090014675 RESILIENT SEATED BUTTERFLY VALVE WITH INTERCHANGEABLE OFF-CENTER AND ON-CENTER DISCS  
The resilient seated butterfly valve has a common spherical center for receiving either an on-center or off-center disc, both of which are rotatably mounted in the body. A seal has a seat spherical...
US20120149292 DAMPER MECHANISM  
A damper mechanism comprising a single piece damper blade and a damper seal. The damper blade having a tie-down tab pair, with the tie-down tab pair positioned along a periphery edge of the damper...
US20080173841 Butterfly Valves And Construction Thereof  
Various exemplary embodiments of a butterfly-type valve that provide a reduction in the unseating torque are disclosed that include a valve body defining a flow passage therein, and a closure disc...
US20090184476 BUTTERFLY VALVE WITH A RIGID SEAL  
A valve is disclosed and can include a valve body having a central bore for passage of fluid there through and a longitudinal axis. The valve can also include a seal installed within the valve body...
US20110024660 Angle-seating butterfly vane and method for producing the same  
The invention relates to vanes used in butterfly valves utilized in fluid control systems requiring special relationships between passing fluid and vane rotation and furthermore can provided leak...
US20090032759 Shut-off organ with anchored ceiling element  
A shut-off organ for a fluid line, particularly for the turbine feed line of a hydroelectric power plant, has a housing and a clack valve in the housing that can be pivoted between an open position...
US20100032598 Pressure control batterfly valve  
A pressure control butterfly valve includes a valve disc rotatable in a vertical direction relative to a flow passage in a body, a seat ring reciprocating in a direction of the flow passage to...
US20090039305 Butterfly Valve  
A butterfly valve, in which fluid leakage inside a valve disc and from a shaft seal part between through holes of a seat ring and a stem is prevented, when the valve disc is displaced under fluid...
US20140175316 MANUAL BALANCING VALVE  
Disclosed is a manual balancing valve having an upstream end and a downstream end, and a first equalizing ring (500a) and a second equalizing ring (500b) configured at the upstream end and the...
US20100044373 BUTTERFLY VALVE  
The invention relates to a butterfly valve, comprising a passageway, a valve seat enclosing the passageway, a rotatable valve shaft which has an axis of rotation spaced from a plane through the...
US20130161552 BUTTERFLY VALVE  
A butterfly valve (100) is provided according to the invention. The butterfly valve (100) includes a valve body (103) including a valve bore (109) passing through the valve body (103) and a shaft...
US20110024661 BUTTERFLY VALVE, PREFERABLY FOR A BLOW OFF CIRCUIT OF A GAS TURBINE PLANT  
A butterfly valve, preferably for a blow off circuit of a gas turbine plant. In one aspect, the invention can be a butterfly valve for a blow off circuit of a gas turbine plant comprising: a...
US20100019184 VALVE SEAL WITH INTEGRAL FLEXURE JOINTS  
A valve seal for use with a valve having a valve element including a plurality of radiused corners. The valve element is rotatably mounted within a frame disposed in a flowbody. The valve seal...
US20090317031 ROLLER BEARING UNIT AND GAS CONTROL VALVE ARRANGEMENT COMPRISING A ROLLER BEARING UNIT  
A roller bearing unit, in particular, a needle bearing unit, which has an outer ring, a roller body cage, roller bodies and several sealing rings. The roller bodies are housed in the roller body...
US20120267557 Butterfly Valve  
A butterfly valve having a valve body is provided. The butterfly valve includes a valve disk assembly rotationally coupled to the valve body. The valve disk assembly has a disk member with a first...
US20130168590 BUTTERFLY VALVE  
A butterfly valve (100) is provided. The butterfly valve (100) includes a valve body (103) including a valve bore (109) passing through the valve body (103), with the valve bore (109) including an...
US20120168659 BUTTERFLY VALVE  
In a butterfly valve having: a seat ring that is mounted on the inner circumferential face of a valve body; a valve stem that passes through a through hole in the seat ring, and is supported by the...
US20130032744 VALVE HAVING AN ELASTOMER/CERAMIC SEALING RING  
The invention relates to an annular, endless sealing ring having a part (6) made of elastomeric material, perforated with two diametrically opposite through holes (9) and a part (7) made of ceramic...
US20130299728 BUTTERFLY VALVE  
A thickness of a valve is set smaller than a distance (inter-seat distance) in a valve thickness direction from a first seat part to a second seat part, and hence a gap between the valve and the...
US20140239214 Butterfly Valve  
A butterfly valve is described which comprises a valve disc located within a flow passage provided in a housing and engageable with a seat provided within the housing, the valve disc and housing...
US20110114863 Butterfly Valve, Valve Seat and Valve Seat Retainer  
Butterfly valves comprise a valve seat comprising a generally S-shaped cross-section and a valve seat retainer configured with appropriately shaped cooperating surfaces. Fluid control systems...
US20100308248 BUTTERFLY VALVE WITH A RIGID SEAL  
A valve is disclosed and can include a valve body having a central bore for passage of fluid there through and a longitudinal axis. The valve can also include a seal installed within the valve body...
US20120273708 BUTTERFLY VALVE HAVING FUNCTION OF MAINTAINING SEALING PERFORMANCE UNDER LOW AND HIGH TEMPERATURES  
Disclosed is a butterfly valve capable of controlling a flow of a fluid according to a rotation of a disk. The butterfly valve includes a body provided with an inner space having two open ends; a...
US20110095221 EXHAUST BRAKE VALVE ASSEMBLY  
An exhaust gas flow control valve assembly comprises a valve casing forming an exhaust gas passage defining a cylindrical inner peripheral surface and a butterfly-type exhaust gas flow control...
US20140312258 AIRTIGHTNESS MAINTAINING STRUCTURE FOR BUTTERFLY VALVE  
An airtightness maintaining structure for a butterfly valve includes a valve element having a rotating shaft and a valve body, a rotation supporting portion having a pivotably supporting member...
US20100148107 VALVE ARRANGEMENT  
A valve arrangement has an annular housing with valve seat and a two-part valve plate that is rotatable about an axis. The seat is in the form of a disk including two adjacent openings with a web...
US20130340731 VALVE DEVICE  
A valve device has a valve that opens and closes a passage, and a cantilever bearing member rotatably supporting a rotating shaft of the valve. The cantilever bearing member has rolling-element...
US20120319022 FLEXIBLE SEALS FOR PROCESS CONTROL VALVES  
Flexible seals for process control valves are disclosed. An example disclosed seal includes a seal for use with a butterfly valve. The example seal includes a substantially flexible ring-shaped...
US20070170391 THROTTLE VALVE FOR INTERNAL COMBUSTION ENGINE  
A throttle valve for an internal combustion engine includes a cylindrical valve housing and a spherical segment valve disc mounted within the valve housing. The spherical segment valve disc seals...
Matches 1 - 45 out of 45