Steidle hose fittings Germany Steidle model Steidle price

Steidle hose fitting is a type of hose fitting mainly composed of three components. Metal hose fittings are used in many applications. The main component of the metal hose fitting, the bendable part, is made of braided metal wire. Metal hose fittings offer excellent performance and come in a wide variety. Different types of metal hose fittings have different characteristics, structures, and maximum temperature ratings.

Steidle hose fitting advantages

By changing the sealing connection structure of the pipe connector, it fundamentally solves the water leakage problem in the connection between the pipe connector and the pipe material; it ensures the sealed connection between the pipe connector and the steel-plastic composite pipe. Advantages of PSP flare connection. Its feature is that 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 with the outer wall of the connected composite pipe, a sealing ring installed at the internal shoulder, and an inner core sleeve inserted into the ring and the connected composite pipe. Advantages of PSP flare connection. It has the advantages of 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.

Steidle hose fitting classification

Connector structures are generally divided into three main categories: spiral, flange, and quick-connect. 1. Threaded type: For metal hose connectors with a nominal diameter below 50 mm that must withstand higher working pressures, threaded connections are predominantly used. After tightening the threads, the internal and external tapered surfaces of the two connectors mate tightly to achieve sealing. The taper angle is typically 60 degrees, although 74 degrees is also used. This structure offers good sealing performance, but concentricity of the two mating components must be ensured during installation. To address common issues in practical engineering such as repeated assembly/disassembly and difficulty in achieving concentricity, the connector can also be designed with a tapered surface mating with a spherical head. 2. Flange type: For metal hose connectors with a nominal diameter above 25 mm under general working pressure conditions, flange types are primarily used, employing a tongue-and-groove mating configuration for sealing. A loose flange ring, capable of radial rotation and axial sliding, connects the two bodies under the tensile force of tightening bolts. This structure provides good sealing performance but is difficult to manufacture, and the sealing surfaces are prone to damage. For special applications requiring rapid disconnection, the holes through which the tightening bolts pass can be slotted to create a quick-release flange. 3. Quick-connect type: For various metal hose connectors with a nominal diameter below 100 mm where rapid assembly and disassembly are required, quick-connect types are generally adopted. They commonly use an "O"-shaped sealing ring made of fluoroplastic or special rubber for sealing. When the handle is moved through a certain angle, it is equivalent to locking the claws of a multi-start thread; the tighter the "O"-shaped sealing ring is compressed, the better its sealing performance. This structure is most suitable for fire scenes, battlefields, and other situations requiring rapid installation and removal. A set of connectors can be joined or disconnected within seconds without any special tools.

Steidle hose fitting applications

Quick-connect fittings are also commonly referred to as self-locking fittings or quick-insert sealed fittings. They allow locking of pipe components and fittings through simple operation, without the need for nuts or clamps. They can withstand high pressures, 70Bar or even higher. Flanged ports or straight round pipes in cooling water channels usually require clamps for ordinary fittings, which involves multiple steps and does not offer good pressure resistance. With technological progress, in addition to self-locking quick-connect fittings, pneumatic quick-connect fittings (automated quick-connect fittings) are better suited for industrial automation production, using pneumatic drive. The purpose of using quick-connect fittings is faster operation; modern mechanized production emphasizes efficiency and reducing operator workload. Their speed is reflected in: convenient handling, fewer operating steps, simple operation, automatic locking, and sealing/disconnection requiring only one insert and one pull, which is much more convenient than ordinary fittings.

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