UVP hose connectors Germany UVP models UVP prices

UVP hose connectors are components in hydraulic systems that connect high-pressure oil hoses to other high-pressure oil hoses. Hydraulic pipe fittings can be further classified into hydraulic hoses, high-pressure ball valves, quick-connect couplings, compression-type pipe fittings, welded pipe fittings, high-pressure hoses, adapter pipe fittings, tee pipe fittings, non-standard pipe fittings, flared pipe fittings, right-angle pipe fittings, swivel pipe fittings, quick-connect couplings, stainless steel pipe fittings, and copper fittings.

UVP hose connector repair

1. Cut off the leaking section of the pipe; this is a relatively simple method for addressing water pipe leaks. Cut off the section and reinstall it. This method is not difficult. As long as the piping is not concealed within walls, it can be implemented and is quite thorough, because the advantage of PP-R piping is that its welding strength is higher than the base material, ensuring the overall tightness of the pipeline. 2. Use adhesive. This method is generally only suitable for pipelines with relatively low pressure; the operating pressure must not exceed 4 kg. This method is not very suitable for PP-R products, because the PP-R material makes it difficult for adhesives to bond effectively. 3. Water pipes will age and become damaged over time, so leakage is normal. If inspection reveals that the drain connector is leaking, first cut off the end of the damaged pipe. Purchase a new pipe, align it with the existing drain connector, and install it to replace the original damaged section. Insert it into the original pipe, apply adhesive, and ensure a tight bond between the new and old pipes. 4. First, use a small hacksaw to cut off the leaking area—the cut must be flat. Gently sand the newly exposed port with sandpaper, but do not remove too much material. Wipe the port clean with a clean cloth. Apply special-purpose adhesive to the port and let it air dry for a short while; during this time, apply adhesive inside the "bamboo joint" connector. Connect the port to the "bamboo joint," rotating repeatedly until secure.

UVP hose connector classification

Welded pipe fittings: The nipple is welded to the pipe. An O-ring seal provides face sealing between the fitting body and the nipple. Simple structure, easy to manufacture, good sealing performance, and low requirements for pipe dimensional accuracy. High welding quality is required, and assembly/disassembly is inconvenient. Operating pressure can reach 31.5MPa, operating temperature -25 to 80°C, suitable for pipeline systems using oil as the medium. Compression-type pipe fittings: The ferrule deforms to grip the pipe and provide sealing. Advanced structure, good performance, lightweight, compact, easy to use, widely used in hydraulic systems. Operating pressure can reach 31.5MPa; high pipe dimensional accuracy is required, and cold-drawn steel pipes must be used. Ferrule precision is also high. Suitable for pipeline systems using oil, gas, and general corrosive media. Flared pipe fittings: Sealing is achieved by flaring the pipe end, requiring no other sealing elements. Simple structure, suitable for connecting thin-walled pipes, applicable to low-pressure pipeline systems using oil or gas as the medium. Insert-welded pipe fittings: Insert the pipe of the required length into the fitting until the pipe end contacts the inner end of the fitting, then weld the pipe and fitting into one unit. This eliminates the need for a nipple, but strict pipe dimensional accuracy is required. Suitable for pipeline systems using oil or gas as the medium. Taper-seal welded pipe fittings: One end of the nipple has an external tapered surface with an O-ring seal that mates with the internal tapered surface of the fitting body, tightened with threads. Operating pressure can reach 16 to 31.5MPa, operating temperature -25 to 80°C, suitable for pipeline systems using oil as the medium. Crimped hose fittings: Easy to install, but adds a crimping step. After hose damage, the outer sleeve of the fitting cannot be reused; it forms an assembly with wire-braided hoses. Can be used in connection with welded pipe fittings sealed with O-rings. Suitable for pipeline systems using oil, water, or gas as the medium. Medium temperature: Oil: -30 to 80°C; Air: -30 to 50°C; Water: below 80°C. Three-piece hose fittings: No need to strip the outer rubber layer of the hose during assembly. For hoses with slightly different outer diameters, compensation is provided by the pre-compression of the hose by the fitting outer sleeve. A hose pre-compression range of 31% to 50% ensures no leakage under operating pressure, preventing hose pull-out and outer layer rupture. Can be used in connection with welded pipe fittings, quick-change couplings, and compression-type pipe fittings. Suitable for pipeline systems using oil, water, or gas as the medium; operating pressure and medium temperature are limited by the connected hose. Quick-change couplings (two-way shut-off): After the pipe is disconnected, it self-seals, preventing loss of liquid in the pipeline, making it suitable for frequent disassembly applications. Complex structure, higher local resistance loss. Suitable for pipeline systems using oil or gas as the medium, operating pressure below 31.5MPa, medium temperature -20 to 80°C. Quick-change couplings (two-way open): Suitable for pipeline systems using oil or gas as the medium; operating pressure and medium temperature are limited by the connected hose.

UVP hose connector applications

Hose connectors mainly include threaded connections, flange connections, quick-connect coupling connections, and other types; different types have different applications. The main components of metal hoses are made of austenitic stainless steel, ensuring excellent temperature and corrosion resistance. There are many metal hose connector models; specifications are primarily selected based on inner diameter. For metal hose connector models, the main differences lie in the meaning of certain threads, such as the common NPT, PT, G, etc., which have different meanings. Consumers should understand what these connectors represent when purchasing and then select according to their needs. Different models correspond to different connectors. In fact, metal hose connector models correspond to the metal hoses, so attention should be paid to certain aspects during selection. First is the choice of connector type, generally including flange connections, threaded connections, and quick-connect coupling connections, selected according to actual requirements. The second aspect is pressure; collection and transportation hoses and connectors must be selected based on actual working pressure to ensure smooth operation. Also consider the pressure and temperature ratings of the metal pipe connectors, medium corrosiveness, etc.

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