schmalz hose connector Germany schmalz model schmalz price

The schmalz hose connector is translated from the English word bushing. The professional term is reducer connector. It is generally manufactured by cutting, forging, and machining hexagonal bars. There are many types of threads used. It connects internal and external threaded fittings for two pipes with different diameters and plays an irreplaceable role in pipe connections.

schmalz hose connector specifications

Quick connectors mainly include brass connectors, plastic connectors, and stainless steel connectors. Pneumatic quick connectors are primarily used for air piping and pneumatic tools, allowing pipeline connection or disconnection without tools. Connector specifications are divided into: PC straight connectors, PL elbow connectors, PB tee center connectors, PD tee side connectors, PXY type center connectors, PE tee reducer connectors, PE tee full-insert connectors, PY tee Y type connectors, PN series Y type reducer connectors, PV straight double-insert connectors, PU straight double-insert connectors, PG straight reducer connectors, PZ cross-type four-way full-insert connectors, PHZ cross-type four-way reducer connectors, ZR four-way threaded connectors, PLL extended right-angle connectors, PLM right-angle panel-mount connectors, PLF right-angle female thread connectors, etc.

schmalz hose connector manufacturing process

It includes a sealing ring, a connecting 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 connecting part, the ring cutter can be inserted into the hole cavity of the connecting part, which has a conical surface. The outside of the sealing ring has an annular reinforcement on the nut side. The annular reinforcement forms an annular surface at the transition zone towards the narrow ring portion. The inclination of said annular surface formed by the reinforced portion of the ring cutter relative to the tube axis is 45°-90°. When fully assembled, the axial length of the annular reinforcement allows a transfer element arranged on said annular surface to transfer its own negative image structure or itself onto the end face of the connecting part. The transfer element has a three-dimensional shape profile, the negative image of which can be transferred onto the surface of the connecting part. In a manner similar to die stamping, the assembler applies pressure to imprint the negative image onto the surface of the connecting part.

schmalz hose connector function

Whether pneumatic quick connectors or manual quick connectors, they are both connector tools used for sealed connections. The difference lies in whether they are driven by air pressure or manually. In different application projects, the functions and advantages of pneumatic quick connectors vary. Stainless steel tubes have a smooth surface, high hardness, and resistance to high temperature and pressure, and are often used as materials for precision equipment components. Qualified inspection of stainless steel tubes is required, including airtightness testing. According to feedback from test engineers, as shown in the figure above, one end of the stainless steel tube has been welded and sealed. Pressure needs to be applied from the other end to test the sealing of the weld. At this time, pneumatic quick connectors can be used with an outer-wrap sealed connection to better ensure inflation speed. After connecting the corresponding air hoses to the connector, if used for automated or semi-automated operations, the mounting holes must also be connected to the corresponding cylinder fixtures. Here, the function of the pneumatic quick connector is to provide sealed connectivity for pipe fittings, assist in testing, improve test efficiency, and enhance test stability. Its advantage lies in more convenient pneumatic operation; the sealing ring clamps the tube wall without causing scratches, ensuring stable sealing and more accurate test results. In practical applications, one end of the plastic pipe fitting is connected to the equipment, which pressurizes internally via other methods. The pneumatic quick connector here serves to seal the pipe opening. Plastic pipe fittings generally have low hardness, are easily damaged, and prone to scratching. Due to batch production and testing, pneumatic connectors are needed to integrate automated operations. Their advantage is being friendly to the test workpiece tube wall without causing scratches, suitability for various pipe fitting materials and properties (including some soft hoses), and ease of integration into automated operations to improve efficiency.

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