Hanovia hose fittings Germany Hanovia model Hanovia price

Hanovia hose fittings are components used to connect hoses to other hoses or components. Hoses include stainless steel hoses, metal hoses, corrugated hoses, rubber hoses, plastic hoses, and other types; hose fittings vary by hose type. Metal hose fitting materials mainly include stainless steel, nickel-plated copper, and zinc alloy. Shapes mainly include external thread end fittings, external thread 45-degree elbows, external thread 90-degree elbows, internal thread fittings, self-locking fittings, and compression fittings, among others. Select metal hose fittings based on installation conditions and operating environment.

Hanovia hose fitting manufacturing process

Includes a sealing ring, a connection part, and a union nut for connecting the tube; therefore, the sealing ring is designed as a ring cutter with one or more cutting edges. By screwing the union nut onto the connection part, the ring cutter can be inserted into the bore of the connection part, which has a tapered surface. The outer side of the sealing ring has an annular reinforcement on the nut side. This annular reinforcement forms an annular surface at its transition zone toward the narrow ring section. The inclination of said annular surface, formed by the reinforced part of the ring cutter, relative to the tube axis is 45°-90°. When fully assembled, the axial length of the annular reinforcement allows the marking element arranged on said annular surface to transfer its own negative image structure onto the end face of the connection part. The marking element has a three-dimensional profile whose negative image can be transferred to the surface of the connection part. Similar to die stamping, the assembler applies pressure to imprint the negative image onto the surface of the connection part.

Hanovia hose fitting installation

Cut the tube to the required length using a sawing machine or specialized tube cutting equipment; flame cutting (such as flame cutting) or grinding wheel cutting is strictly prohibited. Remove burrs from the inner and outer circles of the tube end, metal chips, and dirt; remove rust preventive agents and dirt from the tube fitting; also ensure the roundness of the tube. Slide the nut and ferrule onto the tube in sequence. The front cutting edge (small diameter end) of the ferrule must be at least 3mm from the tube end. Then insert the tube into the tapered hole of the fitting body until it bottoms out. Slowly tighten the nut while rotating the tube until it no longer moves, then tighten the nut another 2/3 to 4/3 turns. Disassemble to check whether the ferrule has cut into the tube and if the position is correct. The ferrule must not have axial movement but may rotate slightly. After passing inspection, retighten the nut.

Hanovia hose fitting installation

Dual-line main and branch lines: From the lubrication pump outlet to the oil inlet ports of all distributors, these lines withstand relatively high pressure. Cold-drawn seamless steel tubes are typically used, made of 10 or 15 steel. Tubes with severe rust must never be used. Oil supply lines: From the distributor outlets to the oil inlet ports of all lubrication points (bearing housing oil holes), these lines withstand relatively low pressure. Drawn copper tubes are typically used, as they facilitate piping when bends are required. Cold-drawn seamless steel tubes or stainless steel tubes are also used. Rubber hose fittings 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 fittings. 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. Pipes crossing each other must not touch and should be separated by a certain distance. Joints of parallel pipes should be staggered to avoid affecting installation and disassembly. To facilitate disassembly and cleaning, install live joints appropriately, but use them sparingly to reduce the possibility of leakage. Determine the tube length on-site based on the piping path determined in item 8.2, taking into account the influence of bending radius. Consider the impact of inserting various types of tube fittings into the pipeline. Determine, cut, and pre-install tube lengths segment by segment to facilitate on-site adjustments according to actual conditions. If all tubes are cut at once, accumulated errors will make piping difficult. Utilize cut short tubes wherever short tubes are needed. If necessary, use straight-through fittings to extend length, but minimize the number of joints on pipe sections.

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