SINNTEC hose connectors Germany SINNTEC models SINNTEC prices

SINNTEC hose connectors are pipe fittings and pipeline connectors. Also known as tee fittings, three-way pipe fittings, or tee joints, they are used where branch pipes diverge from the main pipeline. A tee is a chemical pipe fitting with three openings: one inlet and two outlets, or two inlets and one outlet. It comes in T shape and Y shape, with equal-diameter or reducing ports, used at junctions of three identical or different pipelines. The primary function of a tee is to change the direction of fluid flow.

SINNTEC hose connector forming methods

The hot-push elbow forming process uses specialized elbow pushing machines, core molds, and heating devices to push the blank mounted on the mold forward. During this movement, the blank is heated, expanded, and bent into shape. The deformation characteristic of hot-push elbows is based on the principle that the volume of metal material remains unchanged before and after plastic deformation to determine the pipe blank diameter. The pipe blank diameter used is smaller than the elbow diameter. The core mold controls the deformation process of the blank, causing the compressed metal at the inner arc to flow and compensate for other areas thinned by expansion, thereby achieving an elbow with uniform wall thickness. The hot-push elbow forming process features an attractive appearance, uniform wall thickness, and continuous operation, making it suitable for mass production. Therefore, it has become the main forming method for carbon steel and alloy steel elbows, and is also applied in the forming of stainless steel elbows of certain specifications. Heating methods during the forming process include medium-frequency or high-frequency induction heating (heating coils can be multi-turn or single-turn), flame heating, and reflective furnace heating. The choice of heating method depends on the requirements of the formed product and energy availability.

SINNTEC hose connector characteristics

Female straight connectors are terminal fittings commonly used for directional connections in plumbing installations. Male straight connectors are fittings commonly used for connections in plumbing installations. Their threads are on the outside, opposite to female elbows. Female threads are classified by angle, including 45° and 90°. Additionally, engineering requirements may include other non-standard angle elbows such as 60°. Materials for female elbows include cast iron, stainless steel, alloy steel, malleable cast iron, carbon steel, non-ferrous metals, and plastics. Male elbows are formed by hot pushing or stamping: 1. The hot-push elbow forming process uses specialized elbow pushing machines, core molds, and heating devices to push the blank mounted on the mold forward. During this movement, the blank is heated, expanded, and bent into shape. 2. Stamped elbow forming was the earliest process applied to the mass production of seamless elbows. Currently, it has been replaced by the hot-push method or other forming processes in the production of common standard elbows. However, for elbows of certain specifications, it is still used due to small production quantities or excessively thick or thin wall thicknesses.

SINNTEC hose connector classification

Different names for the same type of pipe connector. To remember easily: internal connectors have external threads; external connectors have internal threads. Threaded connectors are generally used for pipelines to provide connection. External threads refer to threads on the outside of pipelines, etc., which can generally be touched directly. Internal threads refer to threads inside pipelines, etc., which generally require reaching inside to touch. In industry, you may also encounter right-hand threads and left-hand threads. Right-hand threads tighten according to the 'left loose, right tight' direction. This type of thread is common in daily life, with screws being the most typical example. Left-hand threads must be tightened in the reverse direction. This type of thread is not very common in daily life but is seen more often in specialized fields, such as ventilation.

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