BIW hose connector Germany BIW model BIW price

BIW hose connectors are also known as pipe fittings tees, tee fittings, or tee joints. They are mainly used to change the direction of fluid flow and are installed where branch pipes diverge from the main pipeline. They can be classified by pipe diameter. They are generally made of carbon steel, cast steel, alloy steel, stainless steel, copper, aluminum alloy, plastic, argon-chromium alloys, pvc, and other materials. A tee pipe is a type of chemical pipe fitting. It is a pipe connector with three openings: one inlet and two outlets, or two inlets and one outlet. Tee pipe materials include plastic, glass, cast steel, cast copper, and cast iron, primarily because the media they transport differ. Tee pipes have equal-diameter ports and reducing ports, mainly used to change the direction of fluid flow. They are applied in fields such as medicine, water conservancy, and construction.

BIW hose connector material classification

High-pressure tees. There are two common types of high-pressure tees: welded high-pressure tees and integrally forged high-pressure tees. Welded high-pressure tees use high-quality high-pressure steel pipes as material; the manufacturing method is similar to cutting a hole for branch connection, where the hole opened on the main pipe must match the diameter of the connected branch pipe. Welding quality requirements are strict; preheating is usually required before welding, and heat treatment is performed after welding. Their specifications and pressure ranges are the same as those for high-pressure elbows. Integrally forged high-pressure tees generally use threaded flange connections. Their specification range is DN12~DN109mm. The operating temperature for carbon steel high-pressure tees is below 25#200℃, and for low-alloy and stainless acid-resistant steel high-pressure tees, it is below 510℃. The operating pressure is below 20.0MPa. There are 3 common types of welded tee pipes: bent pipe type, right-angle type, and flat-welded port type. 1) Equal-diameter bent pipe welded tee: commonly known as a pants tee, it is made by cutting off half the circumference of the outer arm of two 90° bent pipes, then butt-welding the remaining two bent pipes together to form an equal-diameter tee. 2) Right-angle tee fabrication: available in equal-diameter and reducing types. During fabrication, development drawings are drawn based on two intersecting cylindrical surfaces, generally cut using an oxy-acetylene flame cutter, and finally welded. 3) Flat-welded port tee: the tee weld seam is short, deformation is small, it saves pipe material, and processing is simple. The fabrication method involves cutting an elliptical hole in a straight pipe, where the minor axis of the ellipse equals 2/3 of the branch pipe's outer diameter, and the major axis equals the branch pipe's outer diameter. Then, the pipe walls on both sides of the elliptical hole are heated to approximately 900℃ and flanged outward to form a round opening.

BIW hose connector precautions

Open type: When the mold connectors and mold water nozzles in high-pressure water hose quick connectors are in an open state, if not connected, pushing the copper sleeve on the female head to the other end causes the steel balls to roll outward automatically, allowing the male head to be removed. In this case, since neither the male nor female heads have valves, fluid will flow out. In the connected state, the male head is inserted into the female head, and the copper sleeve is pushed back to its previous position by spring force, locking the steel balls. Fluid flows, and the O-ring prevents fluid from leaking out. Combined water hose quick connector: When the mold water nozzle in the high-pressure water hose quick connector is open and the mold connector is in a closed state, if not connected, the copper sleeve in the female head moves to the other end, causing the stainless steel balls to roll outward automatically. The male head is opened by the reaction force of the valve spring, causing the valve to close automatically and block fluid flow. In the connected state, the male head is inserted into the female head, and the copper sleeve is pushed back to its previous position by spring force, locking the steel balls. Fluid flows, and the O-ring in the high-pressure water hose quick connector prevents fluid from leaking out.

BIW hose connector functions

It connects the mesh sleeve to the entire corrugated pipe. Additionally, the connector is a component that connects metal hoses to other pipe fittings and equipment. It ensures the medium operates normally within the piping system. The connector material is usually the same as that of the corrugated pipe and mesh sleeve, mostly stainless steel. For transporting non-corrosive media, some larger-diameter metal hoses can be made of carbon steel. Metal hose connectors for corrosive media (if designed) take appropriate measures to avoid contact with the medium and can also be made of carbon steel. Connector structures are roughly divided into three categories: screw type, flange type, and quick-connect type. Under high working pressure conditions, connectors for metal hoses (explosion-proof hoses) with thread diameters less than 50 mm are mostly threaded. After tightening the threads, the inner and outer conical surfaces of the two connectors fit tightly to achieve sealing. The cone angle is typically 60 degrees, while 74 degrees is also useful. This structure offers good sealing performance, but concentricity of the two mating parts must be ensured during installation. To address issues of repeated disassembly, assembly, and concentricity often encountered in actual projects, connectors can also be designed to match conical surfaces with ball heads.

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