Abstract: A polymer-lined fluid transmission line includes various structures, including a first polymer-lined pipe, a second polymer-lined pipe, and one or more sleeve retainers installed at a pipe junction between the polymer-lined pipes. Among other things, the sleeve retainers may include one or more protuberances to frictionally engage the polymer-lined pipes or a one or more portions that protrude into a space between the polymer-lined pipes to help retain and protect polymer sleeves.

Abstract: The invention relates to a connector socket for connecting a spigot (12) to an orifice (10a), said connector socket including a sheet metal plate (10) with said orifice (10a) and a protruding collar structure (16) surrounding said or-ifice (10a). 10 It is proposed that the collar structure (16) is integrally made of the sheet metal of said sheet metal plate (10) by a sheet metal forming process.

Abstract: A fire sprinkler assembly includes a flexible conduit; and an integral hub and bracket assembly comprising: a bracket hub coupled to a bracket bar; and an adjustable drop integrally formed with the bracket hub, the adjustable drop defining a lengthwise axis oriented transverse to the bracket bar, the flexible conduit coupled to the adjustable drop; and a sprinkler head extending from the adjustable drop.

Abstract: A pipe coupling segment includes an arcuate body portion defining a first end, a second end opposite the first end, a first axial side, and a second axial side opposite the first axial side; a hook extending from the first end of the arcuate body portion, wherein the hook defines a shank portion and a bend portion, the shank portion extending in a substantially radially outward direction from the arcuate body portion and the bend portion extending in a substantially axial direction from the shank portion, the bend portion defining an upper engagement surface, the upper engagement surface defining a sloped portion angled rearwardly towards the shank portion; and a fastener lug extending from the second end of the arcuate body portion.

Abstract: Threaded tubular connection comprising a tubular female end extending from a main body of a first tubular member, and a tubular male end extending from a main body of a second tubular member, such that the tubular female end comprises a machined outer cylindrical surface close to the female free end having a first outer diameter and a second machined outer cylindrical surface above a threaded portion of the female end, a second outer diameter of the second outer cylindrical surface being bigger than the first outer diameter.

Abstract: There is provided a hose clamp, including a plate spring body and a pair of tab portions. The plate spring body has a base portion, and arm portions. A first overlap portion and a second overlap portion are formed at the arm portions, and in a state where a diameter of the plate spring body is reduced, the first overlap portion and the second overlap portion overlap with each other in the circumferential direction of the plate spring body. Engagement portions are provided on facing surfaces of the pair of tab portions respectively, the engagement portions holding the plate spring body in a state where the diameter of the plate spring body is expanded. The engagement portions are provided at positions closer to side edge portions being opposite to facing side edge portions of the overlap portions than to the facing side edge portions.

Abstract: A locking cap may be selectively locked into place within a tubular opening, such as the open end of a standpipe used to charge a building sprinkler system. The locking cap may have a plug portion. A friction load can be used to limit the unauthorized removal of the plug portion.

Abstract: A fluid fitting includes a nut, a sleeve, and a union. The union and the nut may include corresponding stops and corresponding markings. Corresponding stops and corresponding marking may engage with each other when the nut is sufficiently connected with the union. A method of connecting a fitting includes connecting a sleeve of the fitting with a nut of the fitting, connecting the nut with a union, rotating at least one of the nut and the union until a stop of the nut engages a stop of the union, restricting over torque via the stop of the nut and the stop of the union, and verifying a sufficient connection if first markings of the nut align with second markings of the union.

Abstract: A detachable valve is disclosed. The detachable valve comprises a main body, a connecting pipe and a connecting assembly. The main body is connected to the connecting pipe in a detachable manner through the connecting assembly.

Abstract: A head assembly system for a deionization vessel, that is convertible between a first head assembly and a second head assembly. The first head assembly includes an interchangeable head including a first threaded section; and a first insert arranged entirely within a cavity of the first threaded section. The first threaded section is threaded into a larger threaded opening of a deionization vessel. The second head assembly includes the interchangeable head; a second insert arranged partially within the cavity; and a collar threaded on the first threaded section to removably secure the second insert to the interchangeable head. The second insert includes a second threaded section arranged outside of the cavity. The second threaded section is threaded into smaller threaded opening of a deionization vessel.

Abstract: Each of a pair of couplers includes: a vacuum double-pipe structure main part; a valve seat forming an opening through which a fluid flows; and a valve body in the main part. The valve body is configured such that, when separating the couplers, in each coupler, the body is brought into contact with the seat by a spring to close the opening, and when coupling the couplers, the body of each coupler is pressed by the body of the other coupler to move away from the seat and open the opening. The valve body includes: a holding member holding a sealing material sealing between the body and the seat when the body is in contact with the seat; a resin block covering a distal end surface of the holding member; and a metal operating member accommodating the block and protruding from the holding member to pass through the opening.

Abstract: A device for gas-tight connection includes: a first connection point with a terminal surface; a second connection point with a stationary, predetermined reference surface of a pipe flange connection, which is arranged relative to the terminal surface by an offset angle which is compensated for by an angular offset compensation; and a flanged disc unit. The first connection point includes a central ball-and-socket joint arrangement as an angular misalignment compensation. The central ball-and-socket joint arrangement has a tube section with a convex distal end region configured to interact in an articulated manner with a concave annular region, corresponding thereto, of the flanged disc unit. A side surface region of the flanged disc unit includes at least one adjusting screw for adapting to the offset angle so as to adjust a local distance to a counter-disc fixedly fastened coaxially to a pipe section adjacent to the convex distal end region.

Abstract: A hose assembly includes a corrugated metal tube having a plurality of corrugations and an outer cuff portion extending from an endmost one of the plurality of corrugations, radially outward of an inner diameter of the endmost corrugation, an end connection having an outer end defining a fluid connector and an inner end defining a nose portion received in the outer cuff portion of the corrugated metal tube, and a collar surrounding the outer cuff portion of the corrugated metal tube and the nose portion of the end connection. The collar, the outer cuff portion, and the nose portion are welded together.

Abstract: A tube coupling for coupling a first tube and a second tube. The tube coupling includes an inner shroud including a ball portion and an outer shroud including a socket portion. The socket portion receives the ball portion. The tube coupling includes a compressive ring configured to elastically compress the outer shroud onto the inner shroud. The ball portion and the socket portion form a ball and socket joint. The ball and socket joint allows relative angular movement and relative axial movement between the inner shroud and the outer shroud.

Abstract: An arrangement is disclosed having a clamp body configured in a cylindrical shape and having four penetrations that each have a bolt hole penetration with a first side penetration and a second side penetration and at least four jaws, each of the at least four jaws configured to be inserted into one of the at least four penetrations, each jaw having a first side and a second side.

Abstract: A coupling part for a hose coupling, in particular for high-pressure hydraulic lines, and a hose coupling having such coupling part, has a connection head for connecting to a fitting, and, formed on the connection head, a press-fit nipple, which is intended for accommodating a hose-end portion, on which a pushed-on hose-end portion can be fastened in a sealing manner by pressing action by an at least partially sleeve-form press-fit ferrule enclosing the hose-end portion, and which has a rib profile including ribs bounded by grooves. The rib profile has at least two profile portions. The grooves of the first profile portion, which is directed towards the connection head, have a symmetrical cross section and the grooves of the second profile portion have an asymmetrical cross section and a larger groove volume than the grooves of the first profile portion.

Abstract: A method of coupling a pipe length to a piping element can include arranging a gland over an end of the pipe length, the gland including a joint restraint assembly, the pipe length defining an outer pipe surface; arranging the end of the pipe length within a socket defined by the piping element; fastening the gland to the piping element; and activating the joint restraint assembly by hand to prevent removal of the pipe length from the socket.

Abstract: A connector and a process for coupling a tube to another device is disclosed. The connector comprises a receptacle for receiving a first tube. The receptacle includes a socket and a modular head mated to said socket in one of a plurality of relative orientations. The modular head comprises an indexing member. A retention clip embraces the receptacle and has a leg positioned in a slot in the receptacle.

Abstract: A connector and process for coupling a tube and the resulting assembly is disclosed. A receptacle includes pilot in a mounted position. The pilot is slidable from a mounting position to a final position while the pilot urges legs of a retention clip into a spread condition during a transition between the mounting position and the final position. In the final position, the pilot permits legs of the retention clip to retract to a relaxed condition and an indicator piece is visible.

Abstract: A sprinkler configured for engagement with a coupling, the sprinkler including a raised lip end; and a distal end disposed opposite from the raised lip end, the sprinkler defining a raised lip between the distal end and the raised lip end, the sprinkler defining a groove between the raised lip and the distal end.