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JPH0543878Y2 |
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JPH0579871B2 |
The valve (10) comprises a housing (12) having an open-ended portion (14) of circular internal cross-section, an inlet port and an outlet port, the ports being interconnected by a flow space (16). An obturator (20) is located within the ...
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JPH0543333Y2 |
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JPH0577907B2 |
An normally closed-type fluid control valve, having a guide standing through a counter member on the side of an upper surface of a valve base is provided with a cylindrical member having an engaging portion at its lower end and movable u...
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JPH0577741U |
[Purpose] Provided is a device capable of setting the local surface pressure of the inner and outer peripheral surfaces of the gland packing when the own weight of the shaft, the axial load or the eccentric load is applied. [Constitution...
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JPH0540379Y2 |
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JPH0540377Y2 |
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JPH0540378Y2 |
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JPH0540380Y2 |
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JPH0539242Y2 |
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JPH0571551U |
[Purpose] It is possible to prevent liquid from leaking from the bearing hole of the rotating shaft that rotates the ball valve body. [Constitution] A ball valve body 20 that opens and closes the passage 12 is rotatably arranged in the p...
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JPH0567836B2 |
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JPH0565750B2 |
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JPH0536156Y2 |
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JPH05231550A |
PURPOSE: To constantly hold the space between sliding portions at a fixed value so as to prevent foreign material such as scale oxides mixed in steam from attaching to the sliding portions by forming a tilting function composition portio...
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JPH0533829Y2 |
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JPH0556435B2 |
A valve body (B) has a stem passage rotatably receiving a valve stem (C). A packing (52) surrounds the stem in the passage and a packing nut (100) threaded on the stem applies axial force to radially expand the packing into sealing engag...
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JPH0555753B2 |
A removably securable guide ring (33) for a valve plug (30) in a control valve. The removably securable guide ring (33) also serves as a retainer for a pressure seal ring. The guide ring (33) includes the surface (40) which, upon the gui...
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JPH05187328A |
PURPOSE: To obtain a foreign material invasion preventing device possible to suitably operate a movable member by preventing a foreign material in fluid from invading the sliding part of the movable member so as to always slide the movab...
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JPH0528353Y2 |
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JPH05180360A |
PURPOSE: To obtain a cryogenic valve for controlling the flow of a cryogenic fluid with very low heat leak, excellent strength, pressure or vacuum integrity and modest manufacturing cost. CONSTITUTION: A bonnet extension 20 includes a th...
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JPH0527753Y2 |
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JPH05149451A |
PURPOSE: To enhance sealing properties by preventing a seal ring disposed within the bearing section of a valve box from being deteriorated, concurrently enhancing chemical resistance, and furthermore exerting required bearing stress on ...
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JPH0542840U |
[Purpose] It is an object of the present invention to provide a bearing structure of a flow control valve having excellent durability, which is resistant to dust and high temperature in cooling water and does not leak cooling water. [Con...
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JPH0519647Y2 |
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JPH0530674U |
[Purpose] Replace the ground packing quickly and easily. [Constitution] When sealing between the valve stem 2 and the packing box 6, the valve bar 2 is inserted into the shaft hole of the packing box 6, then the retainer ring 7 is insert...
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JPH0527791B2 |
A metal diaphragm valve in which the interior of a valve casing is divided, by means of a metal diaphragm, thereby defining a valve chamber. Inlet hole and outlet hole are connected to the valve chamber. A valve seat is provided between ...
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JPH0527440U |
[Purpose] A smooth sliding operation of the valve shaft supported by the elastic seal member of the gland seal portion is obtained, and the life of the elastic seal member is extended. [Constitution] A plurality of stages of elastic seal...
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JPH0527441U |
[Purpose] In the valve device, the size and weight of the upper lid and gland nut will be reduced, and the configuration of the gland seal will be simplified to reduce the cost. [Constitution] A gland nut 14 is fitted and provided at the...
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JPH0525088U |
[Purpose] An object of the present invention is to provide a valve using a shape memory alloy capable of making the lateral pressure of the gland packing substantially uniform from the upper stage to the lower stage. [Constitution] The p...
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JPH0522968U |
[Purpose] Prevents the valve shaft hole through which the valve shaft of the pressure regulating valve penetrates and the valve shaft from becoming dirty. [Constitution] The valve shaft 28 is rotatably penetrated through the valve box 2,...
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JPH0511408Y2 |
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JPH059575Y2 |
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JPH0560267A |
PURPOSE: To open or close a valve quickly without leakage by connecting one end of a bellows with an armature air-tightly and enabling the other end thereof to be rotatable with respect to the bellows axis. CONSTITUTION: One end of a bel...
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JPH059570Y2 |
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JPH05501001A |
(57) [Summary] Since this publication is application data before electronic filing, summary data is not recorded.
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JPH056456Y2 |
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JPH058159U |
[Purpose] Provided is a valve stem seal that can cope with an increase in the lower limit of the oil leak amount, reduce the variation in the oil leak amount, and surely prevent seizure of the valve stem and the valve guide. [Constitutio...
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JPH053830Y2 |
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JPH053744U |
[Purpose] If the sealing performance of the shaft seal does not recover even if the fastening member 9 is tightened and a leak occurs from the shaft seal, the gland packing 7 is replaced without stopping the plant in which the butterfly ...
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JPH051836U |
[Purpose] When the exhaust brake device closes the brake valve, it prevents the exhaust gas from leaking to the cylinder side of the actuator. [Constitution] A ring-shaped seal member 22 is arranged in the insertion hole 21 of the piston...
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JPH05621Y2 |
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JPH04136368U |
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JPH04507281A |
PCT No. PCT/GB90/01297 Sec. 371 Date Feb. 14, 1992 Sec. 102(e) Date Feb. 14, 1992 PCT Filed Aug. 16, 1990 PCT Pub. No. WO91/02914 PCT Pub. Date Mar. 7, 1991.A stop valve assembly comprises two closure members one for stopping substantive...
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JPH04347084A |
PURPOSE: To prevent a contamination in the system even though a damage of the valve composition body is generated, as well as to reduce the pressure-resisting force of bellows, by housing a mechanical expansion and contraction mechanism ...
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JPH0474586B2 |
A fluid packing comprising a stacked assembly of V-ring seal elements, special backup/energizing rings interspersed between the seal elements, and a spring-energized lip seal ring that is retained in functional position by an adapter rin...
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JPH0449422Y2 |
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JPH0449424Y2 |
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JPH0449420Y2 |
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JPH0449423Y2 |
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