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JPH0262751B2 |
The valve disk of a butterfly valve is carried by a valve shaft, which is mounted in bearing bushings, which are fitted in the valve body. Each bearing bushing is formed in its outside peripheral surface with two peripheral grooves and b...
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JPH0249429Y2 |
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JPH02309079A |
PURPOSE: To prevent asepticism from being destroyed even if a film is broken by setting the pressure of a room using a diaphragm on the drive section side of the diaphragm as part of a partition wall lower than the atmosphere and invaria...
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JPH0261677B2 |
A valve having a valve member with a stem connected to an actuator and an improved stem seal for sealing between the stem and the interior of the body on a bonnet attached thereto. The improved stem sealing assembly includes a U-shaped r...
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JPH0261678B2 |
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JPH0247310Y2 |
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JPH0259321B2 |
An overpressure device for applying pressure from a first hydraulic fluid to a second hydraulic fluid comprises: (a) a housing in which is located a piston (b) an opening in the housing for the entry of the first hydraulic fluid to one s...
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JPH0247341Y2 |
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JPH02145378U |
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JPH02296086A |
PURPOSE: To provide reliable sealing in normally allowable ranges of operating temperatures and pressures by enameling a housing, a shaft, and a head, providing the head with a polished seat face, and providing an actuation device for op...
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JPH02296087A |
PURPOSE: To reduce the leakage rate of gas to prevent contaminating particles from entering gas flow by providing a second valve seat which is pressed into engagement by a valve seat seal member when the valve seat seal member is in a fu...
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JPH0256549B2 |
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JPH0244145Y2 |
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JPH0253662B2 |
A method of forming a stem seal and controlling the sealant film thickness in a lubricated plug valve in which a deformable ring is inverted in an annular space between the stem, the valve cover and the top of the plug and the ring is de...
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JPH0242932Y2 |
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JPH0241409Y2 |
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JPH0240365Y2 |
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JPH02128875U |
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JPH02253068A |
PURPOSE: To prevent the impossibility of valve operation by precipitation of calcium by making a partition part between fluid passages with a bellows partition member fixed between a valve body and a casing, thereby eliminating the prese...
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JPH0236993Y2 |
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JPH0243944B2 |
A valve body includes a passageway for the flow of fluid therethrough. A valve member, such as a ball valve member, is positioned in the passageway for rotatable movement about a first rotational axis between an open position and a close...
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JPH0235093Y2 |
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JPH0234530Y2 |
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JPH0234532Y2 |
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JPH0234531Y2 |
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JPH0240151B2 |
A globe valve comprising: a control rod (70) which is movable in translation along a valve axis (XX'), handle means (90) for controlling movements of said rod in translation, a disk (74) fixed to one end of said rod; a body (12) having a...
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JPH02227218A |
PURPOSE: To make it possible to set the depth of cut larger and to narrow the interval between cuts and consequently obtain a small-sized bellows having large amount of elongation and contraction by a method wherein a male mold, which is...
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JPH0232946Y2 |
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JPH0232947Y2 |
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JPH0231647Y2 |
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JPH02212688A |
PURPOSE: To enhance the adjustment between a valve stem and a valve guide by partitioning a center threaded internal zone of a through-hole in a valve stem seal with upper and lower end parts having no threads and provided therein with a...
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JPH0236835B2 |
A shutoff valve includes a pivotably displaceable flap shaped cutoff part mounted in a flow passageway through a housing. The flap shaped cutoff part is relatively thin so that in the fully open position it does not appreciable reduce th...
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JPH02103575U |
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JPH02103577U |
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JPH02102084U |
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JPH02102080U |
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JPH0296090U |
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JPH0228309Y2 |
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JPH0227744Y2 |
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JPH0227716Y2 |
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JPH0293579U |
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JPH0227153Y2 |
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JPH0276281U |
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JPH0218867Y2 |
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JPH0219350B2 |
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JPH0219354B2 |
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JPH0218420B2 |
PURPOSE:To prevent suction air from leaking in the atmosphere via an exhaust circulation valve mechanism, by installing a leakage preventive device closing an exhaust circulating passage at the suction system side simultaneously with the...
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JPH0215100Y2 |
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JPH0215752B2 |
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JPH0215754B2 |
A valve stem packing assembly in the form of a stacked array is provided comprising a plurality of seal ring elements (32) each having a generally V-shaped cross-sectional configuration, a plurality of backup/energizing rings (34) inters...
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