Induflex hose fittings Germany Induflex models Induflex prices

Induflex hose fittings consist of hollow screws, combination washers, and oil pipe fittings. They use hollow screws to compress two combination sealing gaskets against the fitting body for sealing. This pipe fitting is a right-angle connector, characterized by the ability to freely adjust the direction of piping, easy installation, and small space occupation. The operating pressure is less than 32 MPa. Pipe fittings are detachable connectors used between pipes and hydraulic components. The connection threads of pipe fittings can be standard fine threads or tapered threads; tapered threads are commonly used in medium and low-pressure systems, while standard fine threads are commonly used in high-pressure systems.

Induflex hose fitting assembly

The pre-assembly of bite-type pipe fittings is the most critical step, directly affecting sealing reliability. Specialized pre-assembly tools are generally required. Fittings with small pipe diameters can be pre-assembled in a vise. The specific method involves using one fitting as the base body to press the nut and ferrule onto the pipe. Main types include bite-type straight pipe fittings, bite-type end straight-through fittings, and bite-type tee pipe fittings. It has been observed that even within the same batch from the same manufacturer, the depth of the conical hole on these fitting bodies often varies, resulting in leaks, a problem that is often overlooked. The correct practice is to use the same type of fitting body for pre-assembly on the corresponding connection end as used on one end of the pipe, thereby minimizing the risk of leaks. The pipe end face should be flat. After cutting the pipe, it should be ground flat on tools such as a grinding wheel, deburred, cleaned, and blown clean with high-pressure air before use. ③ During pre-assembly, maintain the coaxiality of the pipe and the fitting body as much as possible; excessive deviation of the pipe will also cause sealing failure. The pre-assembly force should not be too great; the inner edge of the ferrule should just embed into the outer wall of the pipe, and the ferrule should not show obvious deformation. During pipeline connection, assemble according to the specified tightening torque. The tightening torque for ф6-1 ferrules is 64-1 15n, 16фmmr is 259n, and ф18mm is 450n. If the ferrule deforms severely during pre-assembly, it will lose its sealing function. Do not add sealants or other fillers. Some users apply sealant to the ferrule to achieve better sealing, but the sealant can be flushed into the hydraulic system, causing faults such as blockage of damping holes in hydraulic components. When connecting pipelines, ensure the pipe has sufficient deformation allowance to avoid tensile forces. Avoid subjecting the pipeline to lateral forces during connection, as excessive lateral force can cause poor sealing. Complete the pipeline connection in one go and avoid multiple disassemblies, as this will also degrade sealing performance.

Induflex hose fitting advantages

By changing the sealed connection structure of pipe connectors, the problem of water seepage in the connection between pipe connectors and pipe materials is fundamentally solved; the sealed connection between pipe connectors and steel-plastic composite pipes is ensured. Advantages of PSP flared connections. The device consists of a pipe fitting body with an internal stop 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 stop shoulder, and an inner core sleeve inserted into the ring and the connected composite pipe. Advantages of PSP flared connections. Features include simple structure, easy installation and operation, double sealing generated by lateral deformation of the sealing ring under the compression of the inner core sleeve, and automatic sealing upon water expansion, making the connection and sealing more reliable. The specifications for matching steel pipes are flexible. After welding to the pipeline, it features reliable connection and good sealing performance.

Induflex hose fitting installation

1. Cut the seamless steel pipe to the appropriate length and remove burrs from the port. The pipe end face must be perpendicular to the axis, with an angular tolerance not greater than 0.5°. If the pipe needs to be bent, the straight-line length from the pipe end to the bending point must be no less than three times the nut length. 2. Slide the nut and ferrule onto the seamless steel pipe. Pay attention to the direction of the nut and ferrule; do not install them backwards. 3. Apply lubricating oil to the threads of the pre-assembled fitting body and the ferrule, insert the pipe into the fitting body (the pipe must be inserted fully), and hand-tighten the nut. 4. Tighten the nut until the ferrule grips the pipe; this turning point can be felt by an increase in tightening torque (pressure point). 5. After reaching the pressure point, tighten the compression nut further by 1/2 turns. 6. Remove the pre-assembled fitting body and check the embedding of the ferrule cutting edge; the visible raised band must fill the space at the ferrule end face. The ferrule may rotate slightly but must not move axially. 7. For final installation, apply lubricating oil to the threads of the fitting body in the actual installation, mate it with the compression nut, and tighten until an increase in tightening torque is felt. Then tighten further by 1/2 turns to complete the installation.

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