Patents for F16K 39 - Devices for relieving the pressure on the sealing faces (1,335)
04/2009
04/29/2009CN201228800Y Antifreezing tap
04/23/2009DE102007050151A1 Pressure-relief switch valve i.e. two port/way valve, for use in spring system of motor vehicle, has sealing element with sealing side arranged on front side of valve piston, where element is arranged between piston and housing region
04/21/2009US7520299 Valve structure and control techniques
04/15/2009CN101408252A One-way overpressure self-discharging ball valve
04/07/2009US7513272 Solenoid valve
04/01/2009CN201215209Y Antibiotics valve
04/01/2009CN201215193Y Valve core for cold water recovering type water saving constant temperature tap
03/2009
03/18/2009CN201209690Y Three-way change valve
03/11/2009CN101382201A Backwater tap
03/04/2009CN201202843Y Direct drive type electric control overlapped overflow valve
03/04/2009CN201202834Y Self-pressure relief ball valve base structure
02/2009
02/18/2009CN201196273Y Switch ball valve
02/18/2009CN101368641A Unloading type liquid-control hydraulic break valve and its opening method
02/11/2009CN201193722Y Temperature adjustment mixing valve
01/2009
01/22/2009WO2009012020A1 Flapper mounted equalizer valve for subsurface safety valves
01/22/2009US20090020291 Flapper Mounted Equalizer Valve for Subsurface Safety Valves
01/21/2009CN201184425Y High pressure large caliber flat plate gate valve
01/21/2009CN101349353A Pillar type valve
01/14/2009CN101344187A Valve seat structure of self-decompression ball valve
01/07/2009CN101338833A Direct-buried gate valve
12/2008
12/24/2008WO2008156998A1 Flow controlled actuator apparatus for use with self-closing stop valves
12/24/2008CA2689197A1 Flow controlled actuator apparatus for use with self-closing stop valves
12/17/2008CN101326392A Two-stage valve for controlling fluids
12/11/2008US20080302991 Force balanced butterfly proportional hot gas valve
12/04/2008WO2008147732A1 High-pressure valve
12/04/2008CA2683393A1 High-pressure bi-directional valve
12/03/2008CN101317031A 压力补偿方法 Pressure compensation method
12/03/2008CN101315138A Water saving valve of solar energy water heater
12/03/2008CN100439781C Flow control valve for refrigeration system
11/2008
11/27/2008WO2008141545A1 A piloted middle-high pressure gate valve
11/27/2008WO2008141544A1 A self-balancing type self-compensation sealed valve
11/27/2008DE102007024295A1 Ventildichtungsanordnung Valve seal assembly
11/26/2008EP1995503A2 Valve seal assembly
11/26/2008EP1994309A1 Valve having a rotary slide
11/26/2008CN100436897C Balanced globe valve
10/2008
10/30/2008WO2008030948A3 Elbow plug external sleeve valve
10/30/2008US20080265199 Zero leakage balance valve system
10/15/2008CN101285527A Leakage-proof tap
10/08/2008CN201129501Y Faucet labour-saving water separator
10/08/2008CN101280851A Over pressure inner discharging type double-seal ball valve
10/01/2008EP1975488A2 Solenoid valve device installed in gas tank
10/01/2008CN101275683A Balance pressure technique of pressure relief pilot-actuated valve
10/01/2008CN101275682A Manufacturing process of pressure relief pilot-actuated valve
09/2008
09/24/2008CN101273225A Faucet with spherical rotating closure
08/2008
08/28/2008CA2854954A1 Non-contact torque sensing for valve actuators
08/27/2008CN101251201A Thermoregulation mixing valve
08/20/2008CN201103727Y Balance type check valve
08/14/2008US20080190499 Media control valve with pressure balance loop
08/13/2008EP1954968A1 Pressure compensating method
08/13/2008CN201100439Y High-performance pressure balanced rotary piston valve
08/13/2008CN201100423Y Piston electromagnetic valve
07/2008
07/24/2008WO2008086963A1 Closure device for a pressure reservoir of a gas-refrigeration generator, which can be filled with a compressed gas
07/24/2008WO2008086880A1 Relief valve for a turbocharger
07/24/2008CA2673338A1 Closure device for a pressurized-gas inflatable pressure container of a cold gas generator
07/22/2008US7401762 Solenoid-operated valve for use with fuel cells
07/22/2008US7401627 Protection of a seal element
07/17/2008WO2008050227A3 Electrovalve
07/16/2008CN100402901C Horizontal valve
07/09/2008CN201083281Y Self-balancing pressure difference ball valve
07/09/2008CN201083272Y Auxiliary valve inner concealed butterfly valve
07/09/2008CN101216120A Straight journey check valve
07/03/2008WO2008032144A3 Compensated valve
07/02/2008EP1938010A1 Faucet with spherical rotating closure
06/2008
06/25/2008CN101208551A Slide valve
06/19/2008DE102007002432B3 Blow-off/relief valve for blowing off/relieving a boost pressure in a motor vehicle's turbo-supercharger with exhaust gas emissions has a cylindrical electromagnetic coil with an armature
06/18/2008CN101203704A Movable bolt
06/11/2008CN201071937Y Balance type pneumatic break valve
06/04/2008CN201068991Y Two-position two-port electromagnetic valve
06/04/2008CN100392303C Stepper motor driven fluid valve
06/04/2008CN100392302C Device for the regulation of flow applied to flow valves working under pressure differential
05/2008
05/29/2008WO2008063073A1 Valve
05/29/2008US20080121298 Shut-Off Device For A Pipe
05/28/2008CN101187428A Intelligent sleeve type high temperature high voltage solenoid valve
05/28/2008CN101187427A Intelligent type high temperature high voltage leakage-free solenoid valve
05/22/2008US20080116409 Valve Incorporating Means for Balancing Pressures on Either Side of a Valve Member
05/21/2008CN101184942A Valve assembly
05/08/2008US20080104900 Ventilation system for multi-paned windows
05/07/2008EP1558865B1 Gas valve
05/07/2008CN201057310Y Internal discharging device of dual sealed valve
05/07/2008CN201057283Y Oxygen flame-proof balanced type break valve
04/2008
04/30/2008EP1687556A4 Balanced globe valve
04/09/2008CN101160485A On-off valve device for fluid
03/2008
03/26/2008CN201041233Y Multi-stage opening electromagnetic valve
03/20/2008CA2662459A1 Compensated valve
03/19/2008CN100375856C Balance type valve of electric valve
03/13/2008DE19823160B4 Ventildichtungsmechanismus Valve seal mechanism
03/05/2008CN101135382A Normally open mixing delivery electromagnetic valve
03/05/2008CN101135381A Normally closed mixing delivery electromagnetic valve
02/2008
02/27/2008CN201028041Y Self-balancing self-compensating sealing ball valve
02/27/2008CN201028020Y Pilot-operated high-pressure sluice valve
02/20/2008EP1697670B1 Fluid product spray head and distributing pump comprising this spray head
02/20/2008CN101126459A Assistant valve concealed type butterfly valve
02/13/2008CN100368716C Pilot operated axial flow valve
02/06/2008CN101120152A Equalizing flapper for high slam rate applications
01/2008
01/30/2008CN201013908Y Gas emergency isolating valve
12/2007
12/27/2007US20070295927 Pressure-balanced valve and actuator assembly in a process control system and method
12/26/2007CN100357639C Induced water-saving awter-tap for environmental protection
12/18/2007US7309113 Flow control system for a valve
12/12/2007EP1864040A1 Valve assembly
12/12/2007CN200989447Y Self-operated balancing stop valve
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