1, the introduction of the elbow: In the pipeline system, the elbow is the pipe that changes the direction of the pipeline.
2, elbow classification:
According to the angle, there are three most commonly used 45° and 90°180°, and other abnormal angle elbows such as 60° are also included according to engineering needs. According to the material, there are cast iron, stainless steel, alloy steel, malleable cast iron, carbon steel, non-ferrous metals and plastics. According to the connection method, direct welding (the most common way) flange connection, hot melt connection, electrofusion connection, screw connection and socket connection.
The purpose of the elbow; that is, the object used when the pipe needs to turn, regardless of whether the pipe needs to travel in any direction, the elbow is used to change the direction
Simple structure, small size, light weight, low flow resistance, good energy saving effect
One is a pipe threaded pipe fitting, which includes pipe inner wire, pipe outer wire, pipe single wire and pipe threaded skin pipe joint. Its thickness and length can be customized according to customer's requirements, and its outer surface is polished. The other is cast threaded pipe fittings, commonly known as albino pipe fittings, with internal thread elbow, hexagonal external wire, hexagonal skin pipe joint, internal thread tee, internal thread union, internal thread plug, threaded cap, bushing, reducer tee, the various connection methods such as the reducer head are threaded connections.
Stainless steel quick connector, aluminum alloy quick connector, welded quick connector, threaded quick connector, copper quick connector. It can also be divided into 8 models of type A, type B, type C, type D, type E, type F, type DC, type DP, including 4 male heads of type A, type E, type F, type DP and 4 female heads of type B, type C, type D and type DC. (Quick couplings are generally complete sets of products, and can also be purchased individually according to needs.) Thread types: NPT, PT, PS, DIN connection methods: threaded connection, flange connection, welding, clamping sleeve, quick connection, direct, wrench type, manufacturing materials: stainless steel, aluminum alloy, brass and other conventional materials. Stainless steel 201.304.304 L.316.316L. Can also batch processing other materials. Nominal diameter: DN1 5 ~ DN250mm nominal pressure: 16~64KG applicable temperature: -40 ~ 180C applicable medium: water, oil, gas and some corrosive liquids. Scope of application: industrial, chemical, liquefied petroleum gas. Sealing materials such as vehicle and ship manufacturing equipment: Ding Qing rubber, silicone, ethylene propylene rubber, fluorine rubber connection mode: thread, welding, flange, quick connection, wrench type, etc. Thread standard: NPT/BSPT/BSP/DIN2999
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