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JPH0726621Y2 |
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JPH0725498Y2 |
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JPH0754155B2 |
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JPH0725497Y2 |
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JPH0749838B2 |
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JPH0722538Y2 |
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JPH0747989B2 |
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JPH0723864U |
[Purpose] Eliminates the oil supplied to the second chamber side from the oil seal, and prevents seizure and wear of the valve stem and stem guide. [Constitution] The housing 5 has a second oil passage 11 that connects the first chamber ...
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JPH0730845B2 |
Disclosed is a plastic lined rotatable valve. The valve includes a valve body that is formed by at least two conÂnected together body parts or halves. Each body half is lined with an inert plastic material. The seal between the body hal...
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JPH07502588A |
(57) [Summary] Since this publication is application data before electronic filing, summary data is not recorded.
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JPH07791Y2 |
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JPH06346984A |
PURPOSE: To improve durability of a seal through the change of a resilient body output according to the change of movement resistance of a coupling lever owing to a seal pressure by movably arranging a holding member between a seal membe...
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JPH06346980A |
PURPOSE: To improve productivity through improvement of the substitution characteristics of raw material gas by a method wherein a hollow part is separated keeping gas tightness into a bellows presence area and an aperture presence area ...
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JPH06103061B2 |
1. A sealed, rotary transmission device of bellows construction, comprising a control shaft (14) and a receiver shaft (20), of the type in which said bellows (26) surrounds said receiver shaft and is fixed in a sealed manner at both of i...
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JPH0688663B2 |
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JPH0680082U |
[Purpose] It provides an inexpensive and compact highly airtight valve. [Constitution] The molded bellows 12 that seals between the opening 5a of 1 of the valve body and the valve driving member 7 is formed by forming the outer bellows 1...
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JPH0678669U |
[Constitution] A stem bush 27 made of a heat-resistant material and having an inner peripheral surface in sliding contact with the stem shaft 13 was fitted into the shaft hole 22 of the bonnet 21. Packing members 29a and 29b are provided...
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JPH0684786B2 |
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JPH0681992B2 |
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JPH06272770A |
PURPOSE: To finely and securely control the flow rate over the long time while making the best use of the excellent characteristics such as sealability and the applicability to the corrosive fluid by providing a projecting metallic valve...
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JPH0667978U |
[Purpose] To make it easier to remove the packing push from the valve body and improve workability when replacing the packing. [Constitution] A female threaded portion 21 is formed on the inner peripheral portion of the valve body 2 on t...
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JPH06213344A |
PURPOSE: To prevent chemicals from being mixed with the atmosphere, moisture or the other base substances by providing a break seal capable of being bored by a penetrator to a control valve device attached to a storage tank and for stori...
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JPH0627898Y2 |
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JPH06201053A |
PURPOSE: To provide a device for sealing off cylindrical metallic bodies, particularly shafts in cryogenic valves. CONSTITUTION: A sealing body 3 is provided concentrically with respect to a shaft 1 and surrounded by a ring 11 made of an...
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JPH0625752Y2 |
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JPH06174132A |
PURPOSE: To enable a valve to be back seated via limit control, prevent the occurrence of a load due to excessive tension and make a motor compact for a valve drive device. CONSTITUTION: A tapered valve cover side backseat section 8a is ...
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JPH06505318A |
(57) [Summary] Since this publication is application data before electronic filing, summary data is not recorded.
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JPH06505319A |
(57) [Summary] Since this publication is application data before electronic filing, summary data is not recorded.
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JPH06159529A |
PURPOSE: To facilitate precise surface finishing in a part metal O-ring and to prevent an external leak from a diaphragm clamped part. CONSTITUTION: In a diaphragm seal mechanism, instead of dispensing with a conventional circular groove...
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JPH0620938Y2 |
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JPH0640525U |
[Purpose] Provided is a sealing structure of a sliding member that satisfies both sealing performance and low sliding resistance. [Constitution] It has a seal structure of a sliding member that is slidably supported by a support member o...
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JPH06147341A |
PURPOSE: To provide a bellows type pressure control valve requiring no special load adjusting mechanism for adjusting the control pressure, having a simple structure, and reducing the number of part items at a low cost. CONSTITUTION: Exp...
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JPH0637673U |
[Purpose] The present invention aims at removing particle accumulation in the bellows portion and preventing corrosion by providing a purge mechanism in the vacuum and process control valves. [Constitution] A purge gas inlet is provided ...
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JPH0633829B2 |
The assembly for securing a valve cover (154) to a valve body (112) includes a fastening arrangement wherein the fasteners (176) are free of tensile stress. An outwardly extending retaining skirt (152) is disposed about an access opening...
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JPH0631647B2 |
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JPH0630560U |
[Purpose] Provided is a bellows for a valve device having excellent corrosion resistance and being hard to be damaged. [Constitution] The whole is formed into a tubular shape using a material with excellent corrosion resistance such as P...
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JPH0615180Y2 |
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JPH0615181Y2 |
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JPH0620957U |
[Purpose] The present invention relates to a gland packing pressing device in a balp or the like, which does not require a measuring tool to adjust the pressing force of the gland packing, and can press the gland packing with high accura...
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JPH0674363A |
PURPOSE: To provide a valve device having a long life and excellent in cold insulating performance while completely preventing a leak of superlow temperature fluid or the like. CONSTITUTION: Space 13 in a side of a lower part valve shaft...
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JPH0666389A |
PURPOSE: To reduce the thickness of a bearing to the utmost, prevent the backlash of a valve shaft, prevent the generation of shock noises, prevent the generation of cavitation under relatively high pressure conditions, and prevent the g...
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JPH068378Y2 |
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JPH0658459A |
PURPOSE: To provide a bellows type shield valve which is of a double sealing type and capable of preventing contamination of high purity fluid. CONSTITUTION: This valve includes a valve seat 18 to block a flow through a pipe 14 and a sea...
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JPH0642677A |
PURPOSE: To provide a bellows seal valve incorporating bellows excellent in strength and corrosion resistance. CONSTITUTION: A bellows seal valve comprises a valve body 1 having a valve seat 3, a valve rod 3 slidably provided in the valv...
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JPH061961U |
[Purpose] The present invention relates to a bellows seal control valve or a diaphragm seal control valve, and provides an extremely compact control valve having a structure in which a fluid does not flow out to the outside of the valve ...
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JPH062772A |
PURPOSE: To prevent the corrosion of a valve rod and improve the operation performance of an elevator mechanism by covering the exposed part of the valve rod in airtight form by a valve rod cover mainly consisting of a rubber bellows whi...
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JPH05332473A |
PURPOSE: To obtain a valve rod seal which permits the easy opening/closing operation of a valve and maintains the stable sealing performance for the use for a long period and the frequent operation. CONSTITUTION: A valve rod seal is equi...
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JPH0547336Y2 |
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JPH0583793B2 |
A fire responsive stem retention apparatus for a non-rising stem valve including an outer hollow sleeve secured to the top of the valve bonnet around the valve stem. An inner cap is received in the outer hollow sleeve and closely fitted ...
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JPH05296366A |
PURPOSE: To demount a packing in simple manner by sealing the part between a valve casing and a valve shaft by compressing the packing by a screw member into a packing accommodation hole and forming a valve casing for forming a valve sha...
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