Richard W. Conley - Oakmont PA Robert G. Visalli - Murrysville PA James R. Daniels - McDonald PA
Assignee:
Kerotest Manufacturing Corp. - Pittsburgh PA
International Classification:
F16K 506
US Classification:
25131505
Abstract:
A valve body pressure formed from pipe components includes an annular portion for receiving a ball closure member. A pair of conduit portions are connected to the annular portion and the ball. A stem housing for rotatably supporting a valve stem extends up from the annular portion. The stem housing, annular portion, and conduit portions are welded to form the unitary valve body. The conduit portions are integrally connected to end fittings adaptable to connect identical or different grades of polyethylene pipe or metal pipe to polyethylene pipe. The internal surface of the conduit portion includes gripping teeth and O-ring seals that frictionally and sealingly engage the surface of the polyethylene end fitting. The valve can include a metal end fitting and a polyethylene end fitting. The polyethylene end fitting is connected by butt fusion or electrofusion coupling to polyethylene conduit, generally 6 inches in diameter or larger for use in a natural gas distribution system.
Double Disc Gate Valve With Entrapped Stem Connection
Rockwell International Corporation - Pittsburgh PA
International Classification:
F16K 2500
US Classification:
251 86
Abstract:
A gate valve includes a pair of identically shaped tapered discs defining a tapered self-locking axially translatable gate wherein each disc has an annular hardened seating surface which engages the mating surfaces on the valve body adjacent the flow ports. Tongues on the sides of the discs ride in vertical grooves on the valve body as the gate travels between a raised open and a lowered closed position. The discs of the gate are provided with a slot transverse to the flow ports which captures a T-head on the stem assembly, the slot being positioned in the gate interior radially within the seating contact area to thereby reduce the overall height of the valve.
An electrofusion coupling having an encapsulated electrical resistance heating element for fusing together the ends of polyethylene conduit is converted into a valve body by drilling a bore through the wall of the coupling into the flow passage which forms a valve chamber. A valve stem is inserted through an open end of the coupling and upwardly through the bore. A lower end of the stem is retained in the valve chamber and an upper end is connected to an actuator cap for rotating the stem. A ball closure member is then inserted through an open end of the coupling into the chamber for connection to the lower end of the valve stem. Rotation of the stem in the coupling moves the valve member between open and closed positions in the chamber. Polyethylene pipe fittings supporting spring biased valve seats are pressed through the ends of the coupling to capture and center the ball closure member between the seats in the valve chamber. Current supplied to the heating element heats the thermoplastic material under pressure at the interface between the coupling and the pipe fittings to a temperature where the thermoplastic material softens and flows together to fuse the coupling to the pipe fittings.
Richard W. Conley - Pittsburgh PA Richard P. Tremblay - Pittsburgh PA
Assignee:
Kerotest Manufacturing Corp. - Pittsburgh PA
International Classification:
F16K 504
US Classification:
251309
Abstract:
A reinforced plastic valve includes a generally cylindrical major body portion which is at least partially formed of a plastic material. The major body portion has an axially extending interior chamber. A pair of flow lines intersect the major body portion and the interior chamber thereof. A plug is mounted in the chamber and is selectively rotatable to control flow of fluid through the flow lines. The major body portion includes a reinforcing sleeve formed of metal which is encased within the plastic major body portion to surround the interior chamber.
Richard W. Conley - Pittsburgh PA Richard P. Tremblay - Pittsburgh PA
Assignee:
Kerotest Manufacturing Corp. - Pittsburgh PA
International Classification:
F16K 504
US Classification:
251309
Abstract:
A reinforced plastic valve includes a generally cylindrical major body portion which is at least partially formed of a plastic material. The major body portion has an axially extending interior chamber. A pair of flow lines intersect the major body portion and the interior chamber thereof. A plug is mounted in the chamber and is selectively rotatable to control flow of fluid through the flow lines. The major body portion includes a reinforcing sleeve formed of metal which is encased within the plastic major body portion to surround the interior chamber.
Richard W. Conley - Pittsburgh PA Richard P. Tremblay - Pittsburgh PA
Assignee:
Kerotest Manufacturing Corp. - Pittsburgh PA
International Classification:
F16K 122
US Classification:
251305
Abstract:
A molded polyethylene valve body has a flow passage connecting an inlet with an outlet of the valve body. A valve seat formed integral with the valve body surrounds the passage and a plastic valve disc is rotatably positioned in the passage for movement into and out of sealing relation with the valve seat to effect closing and opening of the passage between the inlet and outlet. A valve stem is nonrotatably connected at one end to the valve disc and extends through the valve body and projects upwardly therefrom to an upper end portion. An actuator cap is nonrotatably connected to the valve stem upper end portion. An external valve neck portion surrounds the upper end portion of the valve stem and is positioned on the outer surface of the valve body. The neck portion is adapted to rotatably receive and support the actuator cap. A pair of clamp-like leg members of the neck portion extend circumferentially around the surface of the valve body to connect the neck portion to the valve body.
Richard W. Conley - Pittsburgh PA Richard P. Tremblay - Pittsburgh PA James R. Daniels - McDonald PA Sam A. Brunetto - Pittsburgh PA
Assignee:
Kerotest Manufacturing Corp. - Pittsburgh PA
International Classification:
F16K 504
US Classification:
251309
Abstract:
A polyethylene plastic valve has a molded cylindrical body portion with an internal chamber with inlet and outlet openings. A unitary plastic plug member is rotatably positioned in the chamber. The plug member has an actuator portion formed of impact resistant plastic material, and a plug portion formed of dimensionally rigid plastic material with a flow passage therethrough. The plug member has open and closed positions. Dual durometer valve seats are positioned on the plug member to close the inlet and outlet openings in the valve body. The actuator portion of the plug member extends upwardly through the chamber and seals the internal chamber at the top by means of a circumferentially extending flange portion. A bottom cover plate is fused to and seals the lower end of the internal chamber. The bottom cover is arranged to disengage from the valve body and relieve excess pressure build up in the lower end of the chamber.
James R. Owoc - McKeesport PA John H. Thomas - Pittsburgh PA Richard W. Conley - Pittsburgh PA
Assignee:
Kerotest Manufacturing Corp. - Pittsburgh PA
International Classification:
F16K 3700 F16K 4110
US Classification:
137556
Abstract:
A valve body includes a chamber for the flow of fluid between an inlet and an outlet thereto. The chamber includes an upper portion with an opening therethrough and a lower portion including a valve seat between the inlet and outlet. A bonnet is positioned in the chamber upper portion and is connected to the valve body and extends upwardly therefrom. The bonnet includes a passageway, and a stem is positioned in the passageway for longitudinal movement into and out of sealing engagement with the valve seat. An actuator is rotatably positioned in the bonnet passageway above the stem. A micrometer operating handle is nonrotatably connected to the upper end portion of the actuator to facilitate fine adjustment of the stem position to provide incremental adjustments in the flow rate of fluid between the inlet and outlet. The stem upper end is spaced from the actuator lower end in the bonnet passageway, and a coupling assembly rigidly connects the actuator to the stem for conversion of longitudinal rotational movement of the actuator to nonrotational longitudinal movement of the stem. The coupling assembly includes a housing into which both the actuator and stem extend.
If nothing else, the move by Obama will not seal Florida in either party's favor. It just drives a further wedge between conservatives who view this regime under Raul Castro every bit as bad as it was under his brother, said University of Florida political science professor Richard Conley.
Date: Dec 17, 2014
Category: World
Source: Google
Youtube
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