Abstract: A conventional rotary valve in which is provided with a locking mechanism for fixing the degree of aperture so as to prevent misoperation and reduce accidents caused thereby, and even a previously installed valve can be converted to a valve having a locking mechanism, simply by replacing the handle alone. In a rotary valve wherein a valve element that is engaged with a stem is turned by turning the stem, which is connected to a handle, so as to open and close the valve, and having a top flange that is provided on a neck of a valve body that supports the stem, a notch is formed at the peripheral edge of the top flange, and a locking member, having a protrusion that can be latched in the notch in the top flange by way of a torsion spring, is pivotably supported at the center of the handle or on a grip portion thereof.

Abstract: A butterfly valve assembly includes a unitary flow body and a unitary valve element. The unitary valve element is rotationally mounted within the flow body and includes a rotationally mounted shaft and a butterfly plate that is formed integral to the shaft. The butterfly valve assembly can withstand the maximum drive torque supplied from an associated actuator, while at the same time meeting a desired level of flow performance, and allows the unitary valve element to be installed up through the pilot bore.

Abstract: A device includes a stem hub attached to a fitting body. A rotatable stem is located at least partially within the stem hub. Rotation of the rotatable stem operates a blocking element located in the fitting body. In an embodiment, an upper stem is coupled to a first end portion of the rotatable stem so that rotation of the upper stem rotates the rotatable stem. A metal seal is located on the stem hub. A portion of the upper stem presses the metal seal between the upper stem and the stem hub when the upper stem is moved towards the stem hub. An operating mechanism moves the upper stem towards the stem hub and away from the stem hub. The upper stem is moved by the operating mechanism in a direction normal to the rotational axis of the rotatable stem and the upper stem.

Abstract: A valve having an improved multiple position notch plate providing a large number of selectable valve positions with enhanced strength, including in the travel stop limiting the range of movement of the valve handle connected to the valve member. The notch plate includes a plurality of intermediate notches extending only partially through a radial outer periphery thereof, at spaced locations along an arcuate path of movement of a detent element in connection with the valve handle. In one embodiment, the intermediate notches are disposed in radial outer tips of fingers defining a plurality of through notches extending completely through the notch plate, also for receiving the detent element for holding the handle. As a result a greater number of valve positions can be achieved, with robustness and strength to withstand hammer blows, kicking and the like.

Abstract: A limiter detachably associated with a water faucet having a lever-type handle, enabling to prevent the rotational movement range of the lever-type handle. The limiter comprises a body and a limiting-handle where the limiting-handle is rotatably connected to the body. The limiter may be installed to the faucet at one of its hot or cold sides, where the limiter enables a user to rotate the limiting-handle towards and away from the lever-type handle of the faucet to physically limit the rotational movement of the lever-type handle. The limiter may be installed near the side of the faucet where hot water are controlled to serve as a safety device enabling to prevent the flow of hot water when the limiter's limiting-handle is locked in a limiting position that prevents rotating of the lever-type handle of the faucet.

Abstract: A single lever control for manually manipulating a hydraulic valve spool of a directional control valve, which comprises an elongate shaft encased within an outer casing and having first and second ends each being fixedly attached to an end cap and a pivot block, respectively. The outer casing comprising a cylindrical cup for housing a biasing element whereupon an applied upward force on the cylindrical cup causes the outer casing to move upwardly to the extent of lifting a latching member pivotally connected to the pivot block and releasing a locking mechanism. The mounting assembly comprising an adapter plate integrally connected to a vertical support member and having a large aperture for receiving a moveable stem associated with the hydraulic valve spool, an arrangement of which allows a valve-actuating stem associated with the pivot block to movably interact with the moveable stem as the single lever control is selectively manipulated.

Abstract: A cover-equipped manual valve having a ratchet mechanism for preventing rotation of a knob, comprising: a rod formed with an external thread portion on an outer periphery thereof, the rod being unconnected to the knob and held against rotation; a sliding nut of a cylindrical shape, the sliding nut being rotatably held by a body and internally formed with an internal thread portion threadedly engaged with the external thread portion of the rod; an engagement member fixed to the knob, the engagement member being elastically deformable to be engaged with the sliding nut and to be disengaged from the sliding nut when larger torque than a predetermined value is applied to the engagement member; and a knob cover of a hollow shape for covering the knob.

Abstract: A configurable valve lock consists of two main components, a valve lock cover and a valve lock cap. The valve lock cover is a hollow cylinder with a top, an open bottom and a side. The top has an opening that accepts a portion of the valve lock cap. The interior surface of the cover may be threaded to join with the threaded propane tank valve or may be configured to fit multiple types of connections. The exterior surface of the cover may be faceted to accept a tool, such as a wrench, to firmly tighten the cover onto the propane tank valve. The valve lock cap is a hollow cylinder with a top, side and an open bottom. The top holds a cap lock. The cap lock has a stem that extends into the interior of the cap. The stem has a latch that extends outwardly into the interior of the cap/cover or retracts into the stem. The interior circumference of the cap is slightly larger than the exterior circumference of the cover and when installed, the cap freely rotates around the cover.

Abstract: A wellhead assembly includes a valve with a valve actuator. The valve actuator linearly moves a valve stem and valve member assembly to selectively open and close the valve. The valve actuator moves the valve stem by reciprocatingly moving a piston that is attached to the valve stem. The piston is moved by applying pressurized hydraulic fluid to a piston surface. Piston direction is controlled by a selector valve that selectively diverts a hydraulic flow to either side of the piston. The actuator further includes a piston assembly for pressurizing a hydraulic flow, where the piston assembly reciprocates in response to engagement by a profiled rotating cam member.

Abstract: A valve actuator with manual lock is provided. The valve actuator with manual lock includes a locking button arrangement that is operably coupled to a shaft extending along an axis of rotation of a drive train. The locking button arrangement is selectively engageable with a housing of the valve actuator to lock the drive train in a selected orientation.

Abstract: A method and system for restricting access to a valve stem of a valve by employing a valve locking assembly is disclosed. The locking assembly comprises a first means for receiving a valve stem of a valve and an engaging member. The locking assembly additionally comprises a second means for receiving the valve stem of the valve and comprising a slide for engaging the engaging member of the first means, the slide having a first length along an outer periphery of the second means and a second length intersecting the first length such that the second length is shorter than the first length. The locking assembly additionally comprises a third means for releasably securing the second means in position about the valve stem of the valve, wherein the first means is capable of being positioned over the second and the third means about the valve stem.

Abstract: The present invention provides a check valve for use in a vacuum sewage pipe. The check valve includes a body having a sewage inlet and a sewage outlet to be coupled to the vacuum sewage pipe, a flap valve element disposed in the body and rotatably supported by a first shaft, and a closing mechanism. The closing mechanism can keep the flap valve element in a closed state so as to allow the flap valve element to function as a gate valve. The closing mechanism can also limit an opening degree of the flap valve element so as to allow the flap valve element to function as a check valve.

Abstract: A plurality of solenoid valves are installed on a valve mount surface of a manifold base to receive a pressure fluid supplied from a supply passage of the manifold base via a supply communication hole. A stop valve base connected to a side surface of the manifold base has a stop valve mount surface formed on the upper surface to the side of the valve mount surface. The stop valve is attached to the stop valve mount surface to open and close the supply communication hole by pushing and pulling the stop valve from a side with the solenoid valve.

Abstract: A remotely controlled lockout device for an in-line gas flow control valve has a control shaft adapted to be operatively connected to a gas flow control valve and operable between a gas flow control valve open and closed position and a rotatable lock member operatively connected to the control shaft and rotatable between a lock member unlocked position in which the control valve is operable between gas flow control valve open and closed positions and a locked position in which the control valve is locked in a gas flow control valve closed position.

Abstract: A laryngeal mask includes an airway conduit, and a mask connected to the airway conduit, the mask that includes an inflatable portion. An inflation lumen is coupled to the inflatable portion of the mask as well as an inflation valve. The inflation valve includes an exterior housing that has an exit aperture and a stem that is movable between an open position and a closed position. A vent clip is removably coupled to the inflation valve and includes a body portion, an exterior housing interface portion extending from the body portion and a finger extending from the body portion. The exterior housing interface portion includes a gripping surface which is formed to contact at least an approximately 90 degree portion of the inflation valve exterior housing and the finger maintains the inflation valve in an open position.

Abstract: An air valve includes a tubular seat, a cap, and a plug. The tubular seat has an outer circumferential surface forming sealing slots, first external thread and second external thread and also forms an axially-extending air passage. The cap has an inside circumferential surface forming first internal thread, second internal thread, and a barrier web. The barrier web forms a bore and a plurality of air holes. The cap has a distal open end to which a lid is mounted. The plug has an expanded proximal end to which a sealing pad is attached and a reduced section slidably received in the bore of the barrier web and having a distal end to which a stop is mounted so that the plug is axially movable with respect to the barrier web.

Abstract: An apparatus is provided for a valve assembly comprising a valve body, a valve element, an actuator housing, an actuator, an unlocked storage opening, a locked storage opening, and a lock. The valve body has an inlet port, an outlet port, and a flow passage therebetween. The valve element is movably disposed within the valve body flow passage. The actuator is disposed within the actuator housing, coupled to the valve element, and operable to move the valve. The unlocked and locked storage openings are formed in the actuator housing. The lock is selectively insertable into, and movable between, the unlocked and locked storage openings. When in the unlocked storage opening, the lock does not engage the actuator, and valve movement is thereby allowed. When in the locked storage opening, the lock engages at least a portion of the actuator, thereby at least inhibiting valve movement.

Abstract: A combined valve is constructed by integrating a manual valve operating as a safety mechanism and a pilot valve. When a handle of a knob of the manual valve is in a safety mechanism release position, a valve mechanism can be opened and closed depending on whether or not there is air supply to an operation port. When the handle is in the safety mechanism release position and the valve mechanism is even in a valve open state, the valve mechanism can be forcibly brought to a valve closed state by rotating the handle to a safety mechanism set position. Further, when the handle is in the safety mechanism set position, the valve mechanism can always be kept in the valve closed state irrespective of air supply to the operation port.

Abstract: A valve apparatus (100) for use in sterile fluid transfer or isolator systems has open entry (10) and exit (11) sides and a passageway (9) for fluid between the entry (10) and the exit (11) sides. The entry side (10) is connectable to an opening (4c) of a vessel or pipe (4) and the exit side (11) is connectable to downstream processing by means such as tubing, a vessel or a pipe. The entry side (10) includes a rupturable seal (2a) blocking the open entry side (10). Valve (100) also includes an actuator (5) attached to a piston (1) which moves within the valve (100), the piston being connected to the seal so that on movement of the piston, the seal is torn free from the entry side thereby allowing fluid gain entry to the valve (100) and to pass along the passageway (9) between the open entry (10) and exit (11) sides to downstream processing.

Abstract: An apparatus is provided for a valve assembly comprising a valve body, a valve element, an actuator housing, an actuator, an unlocked storage opening, a locked storage opening, and a lock. The valve body has an inlet port, an outlet port, and a flow passage therebetween. The valve element is movably disposed within the valve body flow passage. The actuator is disposed within the actuator housing, coupled to the valve element, and operable to move the valve. The unlocked and locked storage openings are formed in the actuator housing. The lock is selectively insertable into, and movable between, the unlocked and locked storage openings. When in the unlocked storage opening, the lock does not engage the actuator, and valve movement is thereby allowed. When in the locked storage opening, the lock engages at least a portion of the actuator, thereby at least inhibiting valve movement.

Abstract: A quarter-turn valve includes a valve body having an inlet, an outlet, and a diaphragm adjacent arranged in said valve body for movement between a closed and opened position for restricting and controlling fluid flow. The valve further includes an input shaft for receiving a torsional input load in a closing direction and a torsional input load in an opposite opening direction. A cam is mounted on the input shaft. The cam transforms input loads to linear output loads that flex the diaphragm between its closed and opened positions.

Abstract: A locking device for quarter turn valves avoids the inadvertent, unauthorized or careless manipulation of quarter turn valves from a desired position thereby minimizing, if not eliminating, the likelihood for damage or injury in an industrial or other setting as a result of the unauthorized opening/closing of the valve. The locking device includes a shroud which is adapted to be placed over the upper end of the stem and adjacent portion of the handle on the valve. The shroud has a capping portion which securely engages a mounting pad of the valve and an upwardly extending channel designed to at least partially surround a portion of the handle. A hole is provided in the channel and aligns with a hole in an adjacent portion of the handle when the shroud is placed on the valve. As such, the post of a lock is easily inserted through the aligned holes.

Abstract: A ready method to disconnect the motive power of an actuator from the input of a valve. A handle is inserted onto the coupling held in the housing, disconnecting the motive power of the actuator and engaging the driven piece connected to the input shaft of the valve. With this handle in place, manual control of the valve is attained and the handle indicates position. The housing can be orientated so that the handle can be inline with the valve action as normally done on manually operated valves. The position of the valve may be fixed by locking the handle to the housing, removing automatic control of the valve. When the handle is removed from the coupling, normal automatic operation is restored. The handle may store at the valve for ready use by maintenance or in a secure location to prevent unauthorized use.

Abstract: An interlocking control valve which can be used to control the flow of fluids such as water and gas. The control valve features a push button on the end of a handle which permits the interlocking valve to engage the valve stem when the push button is pressed. A fixed washer is provided with a hole-and-groove cutout, thereby preventing rotation of the handle with respect to the washer unless the push button is pressed.

Abstract: A partial stroke valve testing apparatus is operably inserted between an emergency shutdown valve and a valve actuator, and comprises a drive cam attached to a drive shaft interconnecting the valve and actuator and an engagement cam attached to an engagement shaft which can be rotated from an operational position to a testing position to bring the engagement cam into operable communication with the drive cam. A key is locked to the engagement shaft to rotate the engagement shaft, and can be removed only when the engagement shaft is in the operational position. A safety stop mechanism prevents the engagement shaft from inadvertently rotating out of the operational and testing positions. A spring-biased pin engages radially-spaced detent seats in the engagement shaft to provide a positive indication of the position of the engagement shaft.

Abstract: A method and apparatus for locking a hose onto a hose coupling for a valve. A rigid linkage is pivotally mounted adjacent to the valve with a hose engaging member at a first end and an actuator engaging member at a second end. The linkage is pivoted to position the hose engaging member in the engaged position overlying and maintaining in engagement a hose with the hose coupling. A manual valve actuator of the valve is moved to a first position with the valve open. The actuator engaging member engages the manual valve actuator to prevent pivoting of the linkage and maintain the hose engaging member in the engaged position until the manual valve actuator has been returned to a second position with the valve closed.

Abstract: A valve having a housing from which projects a stem rotatable about an axis has an actuating assembly with an abutment ring fixed on the housing, formed with an annular slot, and having an abutment projecting radially into the slot. A knob mounted on and rotatable with the stem adjacent the ring carries a single-arm abutment lever pivoted on the knob and having an end engaged in the slot and displaceable radially between a radial outer position angularly engageable with the abutment and a radial inner position so that when the end is in the outer position rotation of the knob is blocked by engagement of the lever end and the abutment. A spring braced between the knob and lever urges the end into the outer position. A radially displaceable button on the knob engageable with the lever is radially inwardly displaceable to move the lever into its inner position.

Abstract: The invention concerns a valve or tap for fluids, with a stopper that rotates controlled by a control rod equipped with a throttle or grip lever fixed to said rod by means of a fastening screw. The throttle or grip lever has at least one blocking notch (19, 20), designed to fit tightly with a catch (18), which is part of the valve body in order to prevent the stopper from turning. The fastening screw (15) has a special head that allows it to be screwed/unscrewed only with a specific wench or tool, thereby preventing tampering.

Abstract: A valve assembly having a body assembly mounted to a vessel opening. The body assembly includes a valve seat and a valve throughbore. A valve disk co-acts with the valve seat for opening and closing the valve throughbore. A receiver member having a receiver portion extends from the valve disk. A lock member is mounted in the body assembly and is capable of being received in the receiver portion to lock the valve disk in a locked position restricting movement of the valve disk relative to the valve seat. A valve operator assembly is in cooperative relationship with the valve disk and is capable of forcing the valve disk away from the valve seat to open the valve throughbore when the lock member is in an unlocked position. An interlock lug is attached to the valve operator assembly and prevents movement of the valve operator assembly when the lock member is in the locked position.

Abstract: A manually operable control valve for a breathing apparatus to allow a user to alternate from a primary breathing gas supply to a secondary breathing gas supply. The manually operable control valve includes an elongated valve body and a linearly reciprocal shuttle valve. The valve body includes an axial passageway having a pair of spaced-apart inlet ports. The inlet ports each have an inner end opening onto the axial passageway and an outer end which connects to a separate gas supply. The valve body also has one outlet port having an inner end opening onto the axial passageway and an outer end connectable to the breathing apparatus. The linearly reciprocal shuttle valve is slidably mounted within the axial passageway for movement between a first end position in which it establishes fluid communication between the first inlet port and the outlet port and a second end position in which it establishes fluid communication between the second inlet port and the outlet port.

Abstract: A pivoting gate valve assembly includes a seat plate with an orifice therethrough, a stop plate and a gate. The stop plate is mounted on the seat plate and borders a portion of the orifice. The gate is pivotably mounted to the seat plate and pivots to a closed position against the stop plate and covering the orifice. The gate and the stop plate form a substantially flush contiguous surface when in the closed position.

Abstract: A valve assembly is disclosed which comprises a screw spindle threadingly mounted to a valve housing and having a tap handle secured to a first end and a valve disc located at a second end, and wherein rotation of the spindle causes the valve assembly to move between an open and a closed position. The valve assembly further incorporates an indicator arranged to indicate a predetermined degree of rotation of the spindle from the closed position.

Abstract: A handle for imparting rotational motion to a rotationally-operable device, which comprises an elongated arm having hub means for detachably connecting the handle to the rotationally-operable device, a hand grip attached to one end of the arm, and yoke means attached to the distal end of the arm.

Abstract: A valve lockout assembly for preventing mistaken operation of a valve includes an outer hub and an inner collar that are concentrically disposed about the actuating shaft of a valve. The outer hub engages the valve cover which prevents the hub's rotation. The inner collar, which is coupled to the actuating shaft, is also coupled to the hub at selected angular positions corresponding to fully opened and closed positions of the valve.

Abstract: A valve having a rotatable valve stem for positioning the valve in open and closed positions is provided with a plate which is cooperable with a valve handle for both stopping the handle in either of the valve open or valve closed positions and for locking the handle in said positions by means of a padlock.

Abstract: A valve assembly comprising a valve having a housing and a valve element disposed in the housing and movable between closed and open positions, the valve element having a wing portion provided with an opening therein movable between a first position when the valve element is in the closed position and a second position when the valve element is in the open position, the housing having a wing portion provided with an opening therein disposed in lockable relation with the valve element wing portion when the valve element wing portion is in its first position, a rigid spacer member disposable between the housing and valve element wing portions when the valve element wing portion is in its second position, a barrel lock removably mountable in registered openings of the wing portions when the valve element wing portion is in its first position whereby the valve element will be locked in the closed position, and the rigid spacer member having a hook portion cooperable with the opening in the valve element wing port

Abstract: A water access preventer for testable water backflow prevention assemblies wherein a means is provided to quickly, inconspicuously, and inexpensively prevent unauthorized access to potable water travelling within these assemblies throughout the differential pressure gradient of these assemblies, comprising, in part: a means for locking the valves which provide access to the potable water, and a means for preventing the shut-off of linepressure throughout the differential pressure gradient of the device.

Abstract: A butterfly valve having a two piece body, an annular seat carried in the body and a disk mounted in the body for rotation within the seat. An indicator plate mounted at one end of the body and a valve actuator attached to the disk shaft and overlying the plate with a detent arrangement for indicating valve position. Outlet nozzles carried on the disk with a flow path from the exterior of the valve to the nozzles for introducing fluid flow into the pipeline, with check valves in the valve body and in the nozzles. A special disk configuration for reducing damage to the disk edge.

Abstract: An adapter bracket that can be attached to the exterior of a conventional gate valve and valve actuator converting the valve to a fire safety valve. The bracket can be clamped to the exterior of the valve/actuator housing without modification to the existing structure. The bracket includes an adapter plate with an externally threaded cylindrical extension. A hole through the adapter plate is coaxial with the aperture through the cylindrical extension to non-engagingly permit the valve actuator rod to pass therethrough. The threaded extension receives a standard lock-open cap to hold the valve in the open position to avoid severing of the cable in wireline operations due to a power outage, for example. The cap includes a portion made of fusible material which, in the event of fire, will melt permitting the valve to close under operation of a biasing spring.

Abstract: A water dispenser having an actuator that is displaced in order to dispense water from an overhead spout and an interlock member that prevents the actuator from being displaced an amount sufficient to dispense water unless a drinking glass is used to move the actuator. The interlock member surrounds the actuator and is slidably movable along the actuator from a first rest position, to a second disengaged position by the lip of a glass pressed against the actuator. In the first position, the interlock member will strike a stationary abutment to prevent the actuator from being displaced. In the disengaged position, the interlock member will not strike the abutment and the actuator can be displaced to dispense water.

Abstract: A calibrated handknob assembly for use with a valve having a control stem, said assembly having a rising stem with spaced circumferential calibrations, a handknob having circumferentially spaced radial calibrations, a lock ring having an index cooperating with said handknob calibrations and having positions for permitting setting of the handknob "zero" position and index position at a desired circumferential location, for placing the assembly in a condition where the handknob cannot be rotated and for permitting rotation of the handknob to change the valve opening. An O-ring is used to detent the lock ring so that inadvertent rotation of the handknob will not occur and to prevent movement of the lock ring to the position where the handknob can be removed and "0" calibration reset. The O-ring may be easily removed to permit the resetting when needed.

Abstract: A valve having a tubular body with a valve seat and valve member controlled by a valve operator with provisions for latching the valve operator with the valve member in partially open position utilizing a snap ring which is propped out into a groove in the body and provides a stop maintaining the valve partially open against a spring and in which the valve operator has a receiving groove which receives the snap ring and maintains it in an out-of-the-way position upon movement of the valve operator toward full valve-open position.

Abstract: A four-way valve for use in a railroad air brake system has a housing with an internal chamber and a plurality of ports in communication with the chamber. Two of the ports are adapted for connection to a railroad car brake pipe with an intermediate port being adapted for connection to the railroad car air brake system. A valve member is movable within the chamber between a plurality of positions, there being a position to close each port and a neutral position in which all ports are in communication with the chamber. The improvement is specifically directed to a seal member carried by the valve member and spring means which urge the seal member outwardly of the valve member and toward the described ports. Each port has seal means which include a floating seal ring within each port, with each floating seal ring being positioned for sealing contact with the valve member seal member.

Abstract: A drain valve assembly for attachment to the threaded drain opening of an automobile crankcase is disclosed. A drain plug, which is engageable with the threaded drain opening of the automobile crankcase, is provided with an axially extending bore which defines a drain passage in communication with the crankcase. A counterbore formed in the tightening head of the drain plug defines a valve seat. An anchor plate is fastened to the underside of the crankcase by the drain plug. A valve release plate is moveably coupled to the anchor plate for movement from a valve closed position to a valve open position. A resilient, compressible valve head is mounted on the valve release plate for movement into and out of sealing engagement with the valve seat in the valve closed and valve open positions, respectively.

Abstract: A fluid valve having a housing with an inlet and outlet. A valve closure is carried between the inlet and outlet by a stem journaled within the housing. A handle which is rotative relative to the stem and which is utilized to rotate the valve closure is provided. A lock member is carried by the valve housing and is contacted by the handle which, upon rotation, causes the lock member to rotate with the handle relative to the valve housing. A connector extends between the valve stem and the lock member so that, upon movement of the lock member, the connector causes the valve stem to rotate, thus rotating the valve closure within the valve housing.