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JP5631166B2 |
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JP2014190388A |
To achieve a long life and to improve reliability of a gland packing using expanded graphite to be properly used in a shaft sealing device of a steam valve or the like, by suppressing or preventing increase of leakage caused by reduction...
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JP2014190389A |
To achieve a long life and to improve reliability by suppressing increase of leakage caused by reduction of a weight of expanded graphite due to oxidation while keeping good sealability, in a steam valve having a shaft seal mechanism inc...
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JP2014190472A |
To provide a flow rate adjustment type rotary valve configured to secure high sealing property and operability in opening and closing a valve element, having excellent economic efficiency while improving durability with a simple structur...
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JP2014190399A |
To provide a cutoff valve in which abrasion powder is hardly generated, and which can secure seating performance to a valve seat of a valve element even when abrasion powder is generated.A cutoff valve 10 includes a body 12, a valve asse...
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JP5587315B2 |
The invention relates to a vacuum valve for interrupting, releasing or controlling a flowing medium in the interior (3) of the vacuum valve (1). A shaft (6) coupled to a valve drive (5) is routed gas-tight from the atmospheric area (4) t...
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JP5584637B2 |
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JP5580321B2 |
Packing followers for use with valves are described. An example packing follower for use with a valve includes a body having an elongated portion and a bore therethrough to receive a shaft. A portion of the bore is tapered to exert a for...
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JP2014145381A |
To provide a valve which can prevent a crack and the deformation of a body by reducing stress generated by careless and excessive heating applied to a shaft-mounted part when brazing a pipe while securing operability and seal performance...
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JP5565641B2 |
A valve mechanism, which constitutes a solenoid valve as one example of a valve, includes a valve plug that is displaced in an axial direction under an excitation action of a solenoid unit, and is equipped with a flexible diaphragm dispo...
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JP2014109322A |
To provide a long-life slide seal in which a first member is smoothly movable relative to a second member.In the slide seal, in which the first member being smoothly movable relative to the second member, for hermetically sealing an annu...
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JP5511339B2 |
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JP5505605B2 |
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 valve body; and a discoid valve element...
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JP5489119B2 |
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JP2014070688A |
To provide a valve device in which expansion of a flexible film can be suppressed, and wear resistance of the flexible film can be improved.The valve device includes: a valve cage 41 which houses an object 9 having fluidity inside thereo...
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JP5467013B2 |
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JP5448307B2 |
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JP2014043908A |
To improve maintainability of a shaft seal for restraining leakage of gas from a shaft housing part under a high-temperature environment.A shaft seal 4 comprises: a seal part whose inner peripheral surface is in contact with or opposed t...
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JP5439029B2 |
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JP5436872B2 |
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JP5435902B2 |
The present invention provides a flow-rate control valve (1) that allows for manufacturing cost reduction and has a compact size with improved ease of maintenance. The flow-rate control valve (1) includes a lower casing (4) provided with...
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JP5433391B2 |
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JP5414589B2 |
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JP5404645B2 |
A valve includes a housing, a rotational body, two seat rings, a shaft integrally linked to the rotational body, and a sealing element. The rotational body is arranged rotatably in the housing and has a through-opening. The seat rings ar...
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JP5389787B2 |
A control element of a bi-directional valve is in fluid communication with an outlet pressure and an inlet pressure when the valve is closed such that a sum of the forces applied to the control element result in a net force urging the co...
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JP5380173B2 |
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JP5368435B2 |
The seal (10) for a spray gun (20) is tubular in form and molded from an elastomer. The seal is placed in compression between two generally parallel surfaces (12) so as to seal out the fluid (such as paint) from the rod (14). As the trig...
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JP2013245771A |
To provide a control valve capable of suppressing a change in pressure even in case where an inner pressure on a drive part side changes or in case where a pressure on a flow passage side changes, capable of suppressing an influence on o...
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JP5345708B2 |
A plate 36 is press-fitted on the outer peripheral surface of a rod 32 to eliminate a gap between the rod 32 and the plate 36, and further the pressurization produced by the pressure of gas leaking from a gas passage 38 and the load of a...
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JP5314688B2 |
A double pipe apparatus that includes an outer pipe and an inner pipe inserted into the outer pipe, and regulates a flow of a gas flowing through the double pipe apparatus. The double pipe apparatus includes a flow regulating valve, a va...
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JP2013185541A |
To provide an EGR valve which can make compatible the securement of a sealing force of a seal member and the improvement of the durability thereof.An EGR valve 10 includes a valve housing 12 in which a gas passage 14 for passing EGR gas ...
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JP2013161418A |
To provide a flow control device and a flow control system capable of reducing a load on an actuator driving a valve.A flow control device 18 includes: a valve body 20 in which a first flow channel 21, a valve chamber 22, a second flow c...
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JP2013531198A |
An angle of repose valve for controlling the flow of granules and a method of repairing a leak in an angle of repose valve are disclosed herein. The angle of repose valve has a housing with an interior cavity, an inlet, and an outlet. A ...
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JP5221398B2 |
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JP2013124580A |
To prevent intrusion of exhaust gas from a valve shaft support member to a drive part without upsizing of a device and reducing durability of the drive part involved thereby.A bellows-shaped shielding member 15 expandable and contractibl...
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JP2013526684A |
Movable valve apparatus (306) having conditioned lubricating surfaces (332) are described. As example valve includes a valve packing (308) having a graphite packing ring (314) disposed within a bonnet (304) of the fluid valve and a stem ...
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JP5215714B2 |
To provide a valve device capable of securing a flow rate and capable of smoothly opening and closing a valve element with excellent response. The valve device is provided with a shaft 140 displacing in an axial direction by a driving me...
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JP5208764B2 |
A flexible seal ring includes a first sealing face and a rear face is disposed opposite the front sealing face, the rear face is axially offset relative to the front sealing face. An upper face disposed between the front face and the rea...
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JP5209623B2 |
A cartridge packing assembly to seal a valve stem in a control valve assembly, the cartridge packing assembly comprising a seal assembly having a seal component to provide a fluid seal around the valve stem and at least a first anti-extr...
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JP2013096305A |
To prevent the improper operation of a shaft 4 and a valve lock due to the entry of foreign matter from the flow passage hole side to the bearing device side of a valve body 1.A bearing device for rotatably supporting a shaft valve (the ...
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JP5192285B2 |
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JP5188295B2 |
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JP2013064437A |
To provide a method for reducing the operation torque of piping equipment, operation torque-reduced piping equipment, and an filming agent for reducing the operation torque that not only enhance sealing properties of the operation part s...
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JP5180515B2 |
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JP5155220B2 |
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JP2013036597A |
To suppress a reduction in the lifetime of resin-made packing.A shaft sealing device includes: a packing box 101; a movable shaft 102 penetrating through the packing box 101; a packing chamber 103 formed between the packing box 101 and t...
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JP5141301B2 |
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JP5144880B2 |
An object is to provide a flow control valve that is capable of reducing or eliminating backlash generated between a male threaded portion and a female threaded portion engaged with the male threaded portion and preventing or eliminating...
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JP5113771B2 |
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JP2012237426A |
To extend the life of a bellows by setting cross-sectional curvature radiuses of valley portions and peak portions of the bellows to an optimum range, and equalizing a stress acting on the valley portions and peak portions during extensi...
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