Abstract: The compression fitting (10) for a heating and/or sanitary pipe comprises a fitting body (12) including a supporting sleeve (16) adapted to have a pipe end (66) slid thereonto, and a conical abutment face (20). The compression fitting (10) further comprises a complementary part (24) for the fitting body (12), which is provided with a conical receiving face (22) for abutment by the abutment face (20) of the fitting body (12). The compression fitting (10) is provided with a clamping ring (40) encompassing the pipe end (66) which can be slid on the supporting sleeve (16), and with a lock nut (42) having an inner thread (44) and being adapted to be screwed to the complementary part (24), for pressing the clamping ring (40) against the fitting body (12) and for clamping abutment on the pipe end (66) in the condition when the pipe end has been slid onto the supporting sleeve (16).

Abstract: A plastics pipe provided with engageable fastener elements on an outer surface thereof, a method for manufacturing the pipe, and a fastener system comprising inter-engageable fastener elements on an outer surface of a pipe and a support therefore.

Abstract: A piping element having at least two longitudinal components, such as flow pipes (4), outside of which there is an insulator (3), outside of which there is a corrugated outer sheath (2). The piping element is bendable. Fastening means are arranged to the longitudinal components to prevent the longitudinal movement of the longitudinal components in relation to each other.

Abstract: An end (1a) of a pipe (1) made of a plastic material that has memory properties is connected onto an end (2a) of a connecting piece (2). The wall thickness of the pipe end (1a) is temporarily decreased. Thereafter the end (1a) of the pipe (1) is positioned on the nipple end (2a) of the connecting piece (2). The wall thickness of the end (1a) of the pipe (1) is returned towards its original size such that the pipe (1) firmly and sealingly presses against the connecting piece (2).

Abstract: An elongated product is formed such that first a core is formed, the outer surface of the core being made of plastic. Thereafter, a tubular metal layer is extruded such that the layer is seamless. When the metal layer is extruded, a clearance (16) is allowed between the metal layer and the core.

Abstract: The pipe fitting comprises a plastic body (2) and a reinforcement ring (3) around the outside of the plastic body (2). The reinforcement ring (3) holds the body expansion under control. The reinforcement ring (3) is positioned at the distance (d) from the front end of the pipe fitting (1).

Abstract: The press fitting (10) for a pipe, in particular a plastic pipe or a pipe made of a plastic/metal composite material, is provided with a fitting element (12) which comprises a supporting element (16) onto which a pipe (20) to be connected can be pushed. Furthermore, the press fitting (10) comprises a compression sleeve (30) which has a holding end (34) on which the compression sleeve (30) is held on the fitting element (12). On its circumferential surface the compression sleeve (30) has a compression region (66) adjoining the holding end (34), in which region a pressing tool (62) acts on the compression sleeve (30) during the compression thereof. The compression sleeve (30) is provided at its holding end (34) with edge cutouts (36) which are open towards the end face (38) of the compression sleeve (30) and which each have a bounding edge section (40) situated opposite the end face (38) of the compression sleeve (30).

Abstract: For forming a clamping ring first the pipe is extruded. The extruded pipe is cut to form a pipe part. While extruding the pipe, its inner diameter is formed smaller than the outer diameter of a pipe onto which the clamping ring is positioned before making a pipe connection. The inner diameter of the pipe part is made larger by removing material from the inside of the pipe part but only over part of the length of the pipe part such that a stop edge is formed. The clamping ring is used on a pipe when making a pipe connection.

Abstract: A plastic pipe is made of a cross-linked polyolefin to be utilized in, but not limited to, potable water applications. Certain antioxidants and stabilizers are added to a process for producing the plastic pipe. The added antioxidants and stabilizers remain as key components in the final plastic pipes, providing superior long term stability and resistance to oxidative degradation, the latter being caused by but not limited to, chlorinated water environments. At least a primary stabilizer is used in the material.

Abstract: A valve comprises a housing and at least three ceramic discs in the housing such that at least two fixed ceramic discs are provided and at least one rotatable ceramic disc is provided between the fixed ceramic discs. The ceramic discs comprise through holes such that when the holes are aligned, the valve is open, and turning the rotatable ceramic disc turns the holes to be misaligned in successive ceramic discs, which prevents water flow through the valve. The valve further comprises a handle for rotating a rotatable ceramic disc and the handle comprises a stem extending through the housing, and a curved part, the curved part curving at least partly around the housing along the circumference of the housing.

Abstract: An electrofusion fitting for a composite plastics pipe, the pipe comprising at least one inner plastics layer, at least one outer plastics layer and at least one barrier layer therebetween, the fitting comprising a tubular body formed at least in part from a thermoplastic polymer material and adapted to receive a cut end of the pipe, and a plurality of electric heating elements disposed within the body, the body having a first section adapted to receive a length of the inner plastics layer and a second section adapted to receive a cut-back length of the outer plastics layer, each of the first and second sections being provided with a discrete heating element adapted, when energized, to make a fusion joint between the section and its adjacent pipe layer, such that the exposed barrier layer at the cut end of the pipe is environmentally sealed on each side by a fusion joint.

Abstract: The capillary tube system comprises a capillary tube arrangement (10) including an inflow main tube (12) and an outflow main tube (14) and a plurality of capillary tubes (24) connecting said tubes (12,14), and a capillary tube mat (26) including a plurality of capillary tubes (34) fixed on a support structure (32), preferably on a flexible support structure, and being open on both of their ends, the distances between said capillary tubes (34) relative to each other being substantially equal to the distances between respectively adjacent capillary tubes (24) of the capillary tube arrangement (10).

Abstract: A pipe fitting for connecting at least two pipes, the pipe fitting (1) comprising at least two layers. An innermost layer (2) and an outer layer (3) are of different materials. The innermost layer (2), which gets into contact the liquid to be conveyed, is made of plastic tolerating high temperatures. The outer layer (3) is formed of such materials that the outer surface is arranged to function as the provider of oxygen diffusion protection and/or the UV protector.

Abstract: The pipe coupling for connection to a pipe end of a pipe made of polymer material comprises an inner sleeve (1) which is intended for insertion into the pipe end and for abutment with the inner surface of said pipe end, an outer sleeve which is intended for abutment with the outer surface of said pipe end and which includes a slot-like opening (14), and means for adjusting said opening (14). The coupling further comprises a pre-widening means positioned between the edges (21) of the slot-like opening (14). The pre-widening means makes the slot-like opening (14) larger such that the inner diameter of the outer sleeve (2) is larger than the outer diameter of the pipe.

Abstract: A fitting tube including a fitting body (12) having a support sleeve (14) for connecting a tube thereto, a press sleeve (16) surrounding the support sleeve (14) and at least one holding element (18) for holding the press sleeve (16) to the fitting body (12). The holding element (18) engages a circumferential receiving groove (26) formed on the fitting body (12). The press sleeve (16) has at least two receiving openings (24) which, with the press sleeve (16) held to the fitting body (12), are arranged substantially in the radial plane defined by receiving groove (26). The holding element (18) includes two legs (22) which extend through the receiving openings (24) in order to hold the press sleeve (16) to the fitting body (12), and project in a circumferential direction into the receiving groove (26), and/or extend tangentially thereto through substantially diametrically opposite partial regions of the receiving groove (26).

Abstract: A method for the production of a plastics pipe (9) comprising an inner core and an outer removable skin bonded thereto, which method comprises co-extruding molten polymeric materials forming the inner core and the outer removable skin layer from one or more extruder dies, bringing the polymeric materials together and allowing them to solidify, and conditioning the solidified polymeric materials at a temperature and for a time sufficient to influence the adhesion of the outer skin layer to the inner core, such that on cooling the adhesion of the outer skin layer to the inner core is sufficient to prevent substantial undesired relative movement between the skin layer and the core during installation of the pipe (9), but insufficient to prevent the outer skin layer from being clearly removed by peeling, at least at the ends of the pipe (9), and insufficient to cause a substantial reduction in the impact strength of the inner core.

Abstract: The compression fitting (10) for a heating and/or sanitary pipe comprises a fitting body (12) including a supporting sleeve (16) adapted to have a pipe end (66) slid thereonto, and a conical abutment face (20). The compression fitting (10) further comprises a complementary part (24) for the fitting body (12), which is provided with a conical receiving face (22) for abutment by the abutment face (20) of the fitting body (12). The compression fitting (10) is provided with a clamping ring (40) encompassing the pipe end (66) which can be slid on the supporting sleeve (16), and with a lock nut (42) having an inner thread (44) and being adapted to be screwed to the complementary part (24), for pressing the clamping ring (40) against the fitting body (12) and for clamping abutment on the pipe end (66) in the condition when the pipe end has been slid onto the supporting sleeve (16).

Abstract: The pipe for use in the field of sanitation and/or heating, comprises —an inner layer made of a fluo?nated polymer material, —an adhesive layer being in contact with the inner layer, and —an outer layer being in contact with the adhesive layer and including a polyolefin material, —wherein the adhesive layer is configured to bond the fluorinated polymer material of the inner layer to the polyolefin material of the outer layer.

Abstract: A fitting for a pipe, in particular a plastic pipe or a plastic-metal composite pipe, is provided with a fitting body (12) for receiving an end (24) of a pipe (26) to be connected and a fixing element (32) for fixing said end (24) of said pipe (26) to be connected to said fitting body (12), wherein said fixing element (32) comprises a shape memory metal alloy, and said fixing element (32) is deformable by thermal activation from a non-fixing state in which said end (24) of said pipe (26) to be connected, is received by said fitting body (12) without being fixed, into a fixing state in which said end (24) of said pipe (26) to be connected is fixed to said fitting body (12).

Abstract: A multilayer pipe having an inner layer of a thermoplastic polymer and a contoured, metallic barrier layer deposited thereon.