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Document |
Document Title |
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5590680 |
External valve operating means
An external valve operating means that forms a seal around the rotating valve stem of a valve operating under internal pressure is disclosed. This seal prevents the escape of fluids should the...
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5531244 |
Hemispherical ball valve
A ball valve for controlling fluid flow comprises a housing with a chamber therein and a fluid flow passage therethrough having an inlet and outlet portion to and from the chamber adjacent the...
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5275191 |
Ball valve
An apparatus for repairing a ball valve is disclosed. Generally, the ball valve contains an inner diameter which receives a ball member, and a first and second passageway portions. The apparatus...
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5193573 |
Ball valve having replaceable seals under full service pressure
A housing having an inlet and outlet and seal ring sealably positioned in each of the inlet and outlet and movable longitudinally. A ball valve element positioned in the housing between the seal...
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4968004 |
Shutoff and control valve
A valve in which the movable valve member, e.g. a ball or slider, has at st one valve seat braced thereagainst and is composed of an engineering ceramic which differs from the engineering ceramic...
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4960262 |
Ball valve and methods of fabrication
A ball valve and a method for fabricating this ball valve wherein a ball seat, formed of a synthetic resin, is mounted at each end of a flow passage in a ball of the valve. A sealing end portion of...
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4953587 |
Ball valves for pipelines
A ball valve is provided in which an outer housing (1) can be left in a pipeline during servicing and a sub-assembly can be removed as a unit from the top of the outer housing (1). The sub-assembly...
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4869450 |
Ball valve
A ball valve is provided which comprises a valve body formed from a tubular member with a cylindrical hole extending therethrough, a stem having one end thereof projecting into the hole, and a ball...
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4739792 |
Valve
A valve consists of a housing provided with a closing opening, a closing member shaped as a part of a ball face, fitted turnably in the housing and resiliently connected to a pivot shaft, and of an...
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4708158 |
Ball-type stop cocks having standard matching flanges
This invention relates to a flange-type stop cock having a ball valve plug. This ball-valve stop cock is so constructed as to have the same profile or outline as the flange portion of the existing...
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4546790 |
Fluid valve
The fluid valve comprises an integral housing made of forged steel, the housing having tubular end portions as fluid inlet and outlet, respectively, conical transition zones having a cone angle of...
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4523608 |
Rotary ball valve assembly
A rotary ball valve assembly including an elongate valve body, a first passage having a transverse pin and an elongate key of a rotatable actuator extending therein, a lower valve seat, and a ball...
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4519412 |
Valve and seal therefor
An ball valve having a body with an open valve chamber therein, passages into the valve chamber, an opening through the top of the body, a boss having an internal recess opposite and aligned with...
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4460012 |
Cartridge-type valve
A valve for controlling the flow of fluids, improved by utilizing a cartridge, containing a valve head and a valve seat, which is placed in a box-type valve body. The cartridge enables rapid...
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4327895 |
Ball valve
A ball valve having an externally threaded seal carrier, a ball, a seal disposed between the carrier and ball, a tubular valve body internally threaded to engage the external threads of the seal...
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4226260 |
Single lever faucet plastic cartridge valve
A single lever faucet mixing valve comprises a unitary cartridge which may be installed in a faucet housing for original installation and removed and replaced when worn out. The cartridge is formed...
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4175580 |
Bottom entry positive acting ball valve
A valve assembly having a housing which includes a central, substantially cylindrical body part and a pair of end connector parts is provided in which the body part defines a through-flow fluid...
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4164343 |
Eccentric ball type valve
A ball type valve for high pressure lines is designed so that the spherical valve member is offset from the centerline of the valve stem in such a manner that the spherical valve member in the open...
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4135545 |
Ball valve seat assembly having a swaged seat ring to retain the face seal
A ball valve seat assembly includes a seat ring for mounting in a ball valve seat pocket and an annular face seal mounts on one end of the seat ring. The resilient annular face seal member is...
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4089345 |
Discharge valve
A discharge valve for controlling the discharge flow of water from the delivery end of a fire pump including a valve body having an integral extension portion forming an inlet waterway for...
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3985334 |
Ball valve
A ball valve with an actuator wherein a seal assembly with a combination O-ring swivel and seal for producing a tight seal is hidden in a pocket isolated from the flow of fluid through the valve by...
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3821984 |
EMERGENCY VALVE SHUT-OFF ASSEMBLY FOR OFFSHORE MULTIPLE WELL PIPES
An emergency valve shut-off assembly for offshore multiple concentric well pipes, wherein one or more control valves disposed in the innermost tubing string or strings of the multiple concentric...
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3714968 |
ANGLE COCKS WITH VENT VALVES
A railroad car angle cock having a vent valve incorporated therein for manually bleeding the interior of the angle cock to atmosphere so that the air hoses between the railroad cars can be easily...
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3591137 |
ANGLE COCKS
A railroad angle cock in which the O-ring seal in the bonnet is located above the bonnet locking arrangement which holds the valve member in the valve body. This prevents ice and dirt or corrosive...
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3589386 |
PILOT VALVE
A pressure-operated valve having a ball piston means between opposed seats in which a spacer positions one of the seats so that the cumulative spacing between the piston and the seats is equal to...
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3566909 |
BETWEEN FLANGE BALL VALVES WITH FIXED-UNSTRESSED SEALS
A ball valve having both upstream and downstream seals and constructed for use between pipe flanges. The valve ball has a diameter, measured along the port therethrough, greater than the valve body...
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3472270 |
BALL VALVES
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3460765 |
APPARATUS FOR INJECTING LIQUID INTO A GAS LINE
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3458172 |
BALL VALVE
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3438387 |
VALVE STRUCTURE
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3323542 |
Fabricated ball valve
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3277919 |
Rotatable valve structure
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3245653 |
Trunnion mounted ball valve having lost motion and positive reduction actuating means
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3211420 |
Stopcock with spherical plug
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3171429 |
Valve with spherical plug
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3164169 |
Ball faucets
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3154094 |
Ball valve
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3150681 |
Ball valve
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3148695 |
Ball valve
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3134396 |
Ball valve with adjustable seats
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3112758 |
Ball valve
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3077201 |
Seal seat construction for a ball valve
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