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JPH1061821A |
To prevent a fall of a gland packing during additional tightening by a method wherein a fall preventing part fitting in a small part to support a secondary gland packing is arranged at the end face on one end side of a spring holder posi...
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JP2721330B2 |
A valve stem seal comprising a cylindrical stem-sealing membranes 6 and a membrane supporting flange 7. The membrane has a corrugated profile which defines on or more loop-shaped channels 11 bounded by contact surfaces 13 on a radially i...
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JP2721894B2 |
A plug valve and a sealing assembly for a plug valve. A plug valve having a plug closure member for sealing off the open end of a conduit and thereby preventing flow of a first fluid through the conduit, the plug closure member connected...
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JPH1047531A |
To provide a seal device provided in a valve device performing opening operation in the case of collecting a refrigerant of an air conditioner, at low costs and with food sealability and easy mounting property. In a spindle 6 screw mount...
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JPH1047505A |
To provide a valve device suppressing a leak-rate to a minimum limit to be improved so as to satisfy strict safety requirement by slight expense of constitution. A housing 2 and a closing member 8 rotatably connecting a shaft 10 are incl...
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JPH1043456A |
To make operation sure and to attain price down by using a valve mandril seal to be used for an internal combustion engine known itself as a seal element concerning a sewing machine with which a needlebar driven so as to be vertically mo...
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JP2709858B2 |
The invention relates to a high purity gas delivery control assembly (100) having straight through gas flow. The bellows (118) which operates a gas flow interruption means (114) is isolated during gas flow and dead volumes are reduced to...
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JPH1030557A |
To supply liquid of normally constant volume flow rate with a simple structure by storing an operating device into a partition in which non- compressive liquid is filled, and discharging/intaking liquid by changing the capacity of a pump...
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JPH1030556A |
To make liquid flow in only one direction when it exceeds threshold pressure at the inlet of a valve by providing with a device for making eccentrically a valve main body while approaching on a valve seat, which is acted so as to close a...
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JP2561412Y2 |
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JPH1026258A |
To easily and quickly extract all of the laminated grand packing groups press fitted between the inner circumferential surface of a stuffing box and the outer circumferential surface of a shaft body with no special tool used, and make an...
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JP2700271B2 |
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JP2559130Y2 |
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JP2558374Y2 |
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JP2693092B2 |
PURPOSE: To minimize parts exposed to liq. and to enable pumping liq. continuously and with a const. volmetric speed by reducing the volume of a path so as to apply positive pressure to the outlet of liquid when applying pressure to a no...
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JP2680550B2 |
PURPOSE: To prevent a leak over a long packing in the first packing chamber by a belleville spring through a gland bush, and tightening a packing in the second packing chamber by a screw through a gland packing. CONSTITUTION: Packing cha...
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JP2553634Y2 |
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JP2553845Y2 |
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JP2553384Y2 |
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JP2660482B2 |
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JPH09255151A |
To provide a method for smoothly sending out grains from a housing canister and a device for this method. Pressure gas is set in from one end surface 2 of a groove body 1 recessed in section, and by rotary-moving at least a part of the p...
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JP2657778B2 |
PURPOSE: To obtain a gate valve which does not produce impurities in a valve box at the time of the open/close operation of a valve by connecting the space between the piston rod and the valve rod in a piston cylinder device by a roller ...
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JP2545834Y2 |
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JPH09507283A |
A valve assembly comprising a main valve body having an inlet flow passage and at least one outlet flow passage and a flow chamber extending between the same. The main valve body has a valve seat surrounding the inlet flow passage. The v...
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JP2631594B2 |
PURPOSE: To simplify and make compact a gate valve used in a high purity gas system and a super-high vacuum system, and enable an operation power source or the like to be easily maintained by generating an operation force to seal a valve...
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JPH09178037A |
To maintain perfect sealing function so that crack or the like is not generated on a bellows even in the use for a long term. This valve is constituted so that an expansible bellows 40 is stuck fast to a valve stem 23 at the one end and ...
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JP2619946B2 |
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JPH09144903A |
To provide a high-pressure air cylinder valve excellent in durability by high precisely finishing a sliding part of a cylinder rod for sliding a packing for sealing outflow of operating fluid in a valve main body to a cylinder side. A pa...
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JP2535412Y2 |
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JP2531692Y2 |
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JPH0979391A |
To provide an inexpensive ball valve by fitting a seal member to only a part of a hemispherical valve, and allowing the easy replacement thereof. Horizontal communication holes 14 and 16 as well as a shaft hole 13 open to hemispherical h...
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JPH0979420A |
To reduce the amount of a leaked fluid by automatically stopping leakage from a packing, resulting in decreasing the damage probability of a living being or a body due to the leaked fluid, and to reduce a period of time and labor for dis...
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JPH09502243A |
In a preferred embodiment, in a fluid flow valve having a body and having a movable member with lower face, the movable member being movable between a position spaced from a sealing position in the body when the valve is in an open posit...
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JPH0953751A |
To provide pressure resistant structure of a bellows valve capable of operating economically surely without being broken even by the pressure of fluid over the highest pressure which the conventional bellows endures in use. This device i...
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JP2575903B2 |
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JP2522111Y2 |
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JPH094730A |
PURPOSE: To maintain the stable sealability of a globe valve, even if the temperature and the heat transfer coefficient may change, by allowing a bellows to be compressed or expanded, so that the dimensional difference due to the differe...
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JPH08512396A |
The invention concerns a sealing arrangement for a spindle (1) which is guided in an axially movable manner out of a housing (2) which is pressurized by an operating medium. The arrangement comprises a plurality of packing box - annular ...
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JP2519328Y2 |
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JPH08312803A |
PURPOSE: To provide a valve whose sealing property for external leakage is improved. CONSTITUTION: In a valve which is equipped with a valve casing 10 having a valve element 30 in its inside, a valve rod 50 which is inserted in from the ...
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JPH08312805A |
PURPOSE: To provide a double eccentric valve in which the seal property of a packing can be improved and a valve rod can be easily inserted and assembled. CONSTITUTION: In a double eccentric valve having a valve body consisting of a valv...
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JPH08303630A |
PURPOSE: To provide a controller which does not vary a flow rate of fluid due the fluctuation of ambient temperature. CONSTITUTION: A closed space S is set vacuum, which space is formed by a valve rod 3, bellows 29 for sealing fluid insi...
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JPH08303617A |
To provide a valve that can endure extremely high pressure with large reliability, by fixing a diaphragm to a valve housing outside it and a closure member inside it, and filling a support hollow space partitioned by this with a noncompr...
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JP2554964B2 |
PURPOSE: To enable the gland packing of a gate valve to be simply replaced even during passage of service water. CONSTITUTION: Water sealing gland packing 4 is inserted into an interval between the outer circumference of a through part o...
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JP2517209Y2 |
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JPH08296751A |
PURPOSE: To provide a ball valve where a spindle is hard to slip out of a spindle through hole due to the break of the spindle by bite-in of foreign matter, or the like or liquid is hard to leaks out of the spindle through hole due to th...
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JP2544859B2 |
Control valve for flowable media, comprising an actuating piston which is arranged in a valve housing (11), can be displaced by a drive and placed with its front face against a valve seat (13), the valve housing (11) being completely fil...
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JP2514208Y2 |
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JP2513146Y2 |
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JP2538801B2 |
A non-rising stem valve assembly (2) is disclosed including a valve body (4) having an inlet (3) and an outlet (5) and is capable of accommodating a non-rising stem valve (14). The non-rising stem valve includes a bonnet member (8) secur...
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