TRICOFLEX hose fittings Germany TRICOFLEX model TRICOFLEX price

TRICOFLEX hose fittings are components used to connect hoses to other hoses or components. Hoses include stainless steel hoses, metal hoses, corrugated hoses, rubber hoses, and plastic hoses. Different types of hose fittings vary accordingly. The materials for metal hose fittings mainly include stainless steel, nickel-plated copper, and zinc alloy. The shapes mainly include external thread end fittings, external thread 45-degree elbows, external thread 90-degree elbows, internal thread fittings, self-locking fittings, and compression fittings. Metal hose fittings can be selected based on installation conditions and operating environment.

TRICOFLEX hose fitting classification

1, DPJ connection type, also known as DPJ external thread end-type metal hose fitting, is an end-type fitting used as a straight connector to attach metal hoses to enclosures. 2, DKJ fitting, DKJ compression-type metal hose fitting, is a compression fitting used to connect metal hoses to unthreaded steel pipes, eliminating the need for threading; simply screw in the fastener. 3, DGJ fitting, DGJ self-locking metal hose fitting, is a self-locking hose fitting used to connect metal hoses to unthreaded steel pipes or unthreaded equipment outlets, eliminating the need for threading. 4, 90-degree elbow fitting, follows the imperial thread standard; A, C, and F parts are made of high-quality steel, while the D part is made of die-cast sheet metal. The color is silver-white metallic, and the operating temperature ranges from -40 degrees to 100 degrees. 5, Y-shaped fitting, Y-shaped three-way metal hose fitting, has one end connecting to thin-wall steel electrical conduit and the other two ends connecting to metal hoses. 6, T-shaped fitting, T-shaped three-way metal hose fitting, similar to the Y-shaped three-way metal hose fitting, has one end connecting to thin-wall steel electrical conduit and the other two ends connecting to metal hoses. 7, stainless steel fitting, the stainless steel hose fitting uses an end-type connection, cast from standard stainless steel, with a compact structure, high strength, and reliable connection to the hose.

TRICOFLEX hose fitting material classification

High-pressure tee. 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 pipe as material. The manufacturing method is similar to cutting a hole for branch connection; 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. Its specifications and pressure range are the same as those of high-pressure elbows. Integrally forged high-pressure tees generally use threaded flange connections. Their specification range is DN12~DN109mm. Operating temperature: for 25# carbon steel high-pressure tees, it is below 200℃; for low-alloy and stainless acid-resistant steel high-pressure tees, it is below 510℃. Operating pressure is below 20?0MPa. Commonly used welded tee pipes include 3 types: bent pipe type, right-angle type, and flat weld port type. 1) Same-diameter bent pipe welded tee: commonly known as 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 a same-diameter tee. 2) Right-angle tee fabrication: available in same-diameter and reduced-diameter types. During fabrication, development drawings are drawn based on two intersecting cylindrical surfaces. Oxy-acetylene flame cutting tools are generally used for cutting, followed by welding. 3) Flat weld port tee: the tee weld seam is short, deformation is small, saving pipe material, and processing is simple. The fabrication method involves cutting an elliptical hole on 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 around 900℃ and flanged outward to form a round opening.

TRICOFLEX hose fitting selection

Chemical equipment pipelines usually transport various corrosive fluids and require frequent flushing with solvents or water. When considering media corrosivity, the primary consideration should be the relationship between pipeline seals and the media. Nitrile rubber is widely used in hydraulic systems because it is compatible with common hydraulic oils. At certain temperatures, nitrile rubber is also compatible with synthetic acetaldehyde, glycol-based chemical liquids, and plant-derived liquids. However, nitrile rubber is not suitable for contact with acidic media, benzene, or synthetic oils at high temperatures; in such cases, fluororubber should be used. Conversely, methane and refrigerant ammonia are only compatible with nitrile rubber. Therefore, most chemical stainless steel pipelines use rigid seals. When selecting pipe fittings, the maximum working pressure of each fitting must be at least equal to the maximum set working pressure of the entire hydraulic system. Consider not only the pump outlet pressure but also the relief valve cracking pressure. The maximum working pressure of hydraulic pipe fittings may vary depending on the sealing method or temperature changes: similarly, selecting elastic seals for fittings will yield higher working pressures than rigid seals.

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