SNAP-TITE hose fittings Germany SNAP-TITE model SNAP-TITE price

SNAP-TITE hose fittings connect various hydraulic components (pumps, delivery lines, directional valves, shut-off valves, hydraulic motors, hydraulic cylinders, and auxiliary components such as level gauges, thermometers, and pressure gauges) to form a closed-loop hydraulic system. Hydraulic pipe fittings serve as connecting accessories in this system. Hydraulic pipe fittings are detachable connectors between oil pipes and other oil pipes or hydraulic components. They must meet requirements for easy assembly and disassembly, reliable connection, reliable sealing, compact external dimensions, high oil flow capacity, low pressure loss, and good manufacturability. Hydraulic pipe fittings are widely used in all aspects of our lives. They are mainly used in hydraulic piping systems across industries such as energy, petrochemicals, electric power, shipbuilding, automotive, rail transit, mining, metallurgy, steel plants, offshore engineering, and construction machinery. Construction machinery is where hydraulic pipe fittings are most extensively used.

SNAP-TITE hose fitting manufacturing process

The forming of a tee joint involves flattening a pipe blank with a diameter larger than that of the tee to approximately the diameter of the tee, and opening a hole at the branch pipe location for stretching. The pipe blank is heated, placed into a forming die, and a punch die for stretching the branch pipe is inserted inside the pipe blank. Under pressure, the pipe blank is radially compressed. During radial compression, metal flows toward the branch pipe direction and forms the branch pipe under the stretching action of the punch die. The entire process forms the shape through radial compression of the pipe blank and stretching of the branch pipe section. Unlike hydraulic bulging tees, the metal of the tee joint branch pipe is compensated by the radial movement of the pipe blank, so it is also called the radial compensation process. Since the tee is pressed after heating, the equipment tonnage required for material forming is reduced. Hot-pressed tees have wide adaptability to materials, suitable for low-carbon steel, alloy steel, and stainless steel materials; especially for large-diameter tees with thicker walls, this forming process is usually adopted.

SNAP-TITE hose fitting installation

Installation is the most critical step, directly affecting the reliability of the seal. Generally, a special pre-assembly tool is required. Fittings with small pipe diameters can be pre-assembled on a bench vise. The specific method is to use a fitting body as the main body, and tighten the nut and ferrule onto the pipe. The main types include bite-type straight pipe fittings, bite-type end straight pipe fittings, and bite-type tee pipe fittings. The depth of the tapered hole on these fitting bodies often differs. As a result, when a pipe pre-assembled on a straight pipe fitting body is used for connection to a tee pipe fitting body, the spherical contact formed between the ferrule and the inner conical surface of the fitting body may not be tight, causing leakage. This problem is often overlooked. The correct approach is that if one end of the pipe is connected with a certain type of fitting body, the corresponding connection end should be pre-assembled with the same type of fitting. This maximizes the avoidance of leakage problems. Try to maintain the coaxiality between the pipe and the fitting body; excessive deviation of the pipe will also cause seal failure. The pre-assembly force should not be too large. The inner cutting edge of the ferrule should just embed into the outer wall of the pipe, and the ferrule should not show obvious deformation. If the ferrule deforms severely during pre-assembly, it will lose its sealing function.

SNAP-TITE hose fitting advantages

By changing the sealed connection structure of pipe fittings, the problem of water leakage in the connection between pipe fittings and pipe materials is fundamentally solved; the sealed connection between pipe fittings and steel-plastic composite pipes is ensured. Advantages of PSP flare connections. The device consists of a pipe fitting body with an internal shoulder, an adhesive layer coated on its inner wall to bond the inner wall to the outer wall of the connected composite pipe, a sealing ring installed at the internal shoulder, and an inner core sleeve inserted into the sealing ring and the connected composite pipe. Advantages of PSP flare connections. It features a simple structure and easy installation. The sealing ring undergoes lateral deformation under the compression of the inner core sleeve to create a double seal, and it also expands automatically upon contact with water for additional sealing. This makes the connection and sealing more reliable. The specifications for matching steel pipes are flexible. After welding to the pipeline, it offers characteristics such as secure connection and good sealing performance.

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