hydac hose connector Germany hydac model hydac price

hydac hose connectors are components used to connect water pipes. Connectors can be classified by usage method into: external thread end-connecting water pipe connectors, ferrule-type water pipe connectors, and self-locking water pipe connectors. External thread end-connecting water pipe connectors are die-cast from zinc alloy material, with surfaces galvanized, sandblasted, or chrome-plated; they feature a compact structure, no pores, and high strength. Ferrule-type water pipe connectors can connect unthreaded steel pipes to hoses, eliminating the threading process; simply screw in the fastener. They feature a compact structure and high strength. Water pipe connectors can connect unthreaded steel pipes or unthreaded equipment cable outlets to hoses, eliminating the threading process; they are die-cast from zinc alloy material, with surfaces galvanized, sandblasted, or chrome-plated; they feature a compact structure and high strength. Widely used in high-end buildings, hotels, hospitals, office towers, stadiums, museums, government agencies, villas, and residential communities.

hydac hose connector functions

Switching function: accessories for pneumatic and hydraulic tools, cylinders, hydraulic cylinders, and machinery related to metal molds. Maintenance function: cooling devices for computers, maintenance of die-casting machine oil cylinders. Testing function: testing for vacuum, pressure resistance, leakage, and operation. Conveying function: transport and handling of solids such as bolts and nuts, as well as electrical conductivity. Filling function: inert gases, nitrogen, PG, carbonic acid. Connection function: fixtures for fishing rods and pocket laser discs, connections for mobile operations, and applications other than fluid transfer. Time and labor saving: disconnecting and connecting oil lines via quick connectors involves simple actions, saving time and manpower. Oil saving: when the oil line is disconnected, the check valve on the quick connector seals the line, preventing oil outflow and avoiding loss of oil and oil pressure. Environmental protection: when quick connectors are disconnected and connected, oil does not spill, protecting the environment. Equipment modularization for convenient transport: large equipment or hydraulic tools requiring portability are disassembled using quick connectors for transport and reassembled at the destination. Economic value: the above advantages create economic value for customers.

hydac hose connector classification

Connector structural forms are broadly divided into three categories: spiral, flange, and quick-connect: 1. Threaded type: for metal hoses with nominal diameters below 50 mm operating under higher working pressures, threaded types are predominantly used. When the threads are tightened, the internal and external tapered surfaces of the two connectors mate closely to achieve sealing. The cone angle is generally 60 degrees, though 74 degrees is also used. This structure offers good sealing, but concentricity of the two mating parts must be ensured during installation. To address common issues in practical engineering such as repeated assembly/disassembly and difficulty achieving concentricity, the connector can be designed with a tapered surface mating with a spherical head. 2. Flange type: for metal hoses with nominal diameters above 25 mm operating under general working pressures, flange types are predominantly used, sealing via a tongue-and-groove fit. A loose flange, capable of radial rotation and axial sliding, connects the two bodies under the tension of tightening bolts. This structure provides good sealing performance but is difficult to manufacture, and the sealing surfaces are prone to damage. For special occasions requiring rapid disassembly, the holes for the tightening bolts can be slotted to create a quick-release flange. 3. Quick-connect type: for various metal hoses with nominal diameters below 100 mm, quick-connect types are generally used where rapid assembly and disassembly are required. They commonly use "O"-shaped sealing rings made of fluoroplastics or special rubber. When the handle is moved to a certain angle, it acts like the jaws of a multi-start thread being locked; the tighter the "O"-shaped sealing ring is compressed, the better the sealing performance. This structure is most suitable for fire scenes, battlefields, and other situations requiring rapid assembly and disassembly. Within seconds, a set of connectors can be joined or separated without any special tools.

hydac hose connector installation

Dual-line main and branch pipes: from the lubrication pump outlet to the oil inlets of all distributors, bearing relatively high pressure. Cold-drawn seamless steel tubes are typically used, made of 10 or 15 grade steel. Pipes with severe rust must never be used. Oil supply pipes: from the distributor outlets to the oil inlets of all lubrication points (bearing housing oil holes), bearing relatively low pressure. Drawn copper tubes are typically used, facilitating piping when bends are required. Cold-drawn seamless steel tubes or stainless steel tubes are also used. Rubber hose connectors are used for connections at moving parts. Piping should avoid areas with high-temperature radiation or cooling water spray, i.e., locations with excessively high or low temperatures, especially at rubber hose connectors. Piping layout must not interfere with the operation of the host machine and other equipment; it must be safe, reliable, and convenient for work, observation, and maintenance. Piping should be horizontal and vertical, neat, and aesthetically pleasing. Minimize bends or small-angle bends; use large-radius arcs to reduce oil flow resistance. In case of installation conflicts, smaller pipes should yield to larger pipes, and low-pressure pipes should yield to high-pressure pipes. Crossing pipes must not touch and should be separated by a certain distance. Joints of parallel pipes should be staggered to avoid affecting installation and removal. To facilitate disassembly and cleaning, union joints should be installed appropriately, but their use should be minimized to reduce the possibility of leakage. Determine the pipe length on-site based on the fixed piping path determined by 8.2 items, considering the influence of bending radius. Consider the impact of inserting various types of pipe fittings into the pipeline. Pipe lengths should be determined, cut, and pre-assembled segment by segment to facilitate on-site adjustment according to actual conditions. If all pipes are cut at once, accumulated errors will make piping difficult. Utilize cut short pipes wherever short sections are needed; if necessary, straight-through pipe connectors can be used to extend length, but the number of joints on a pipe section should be minimized.

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