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Main products: butt welding and forging series elbows, tees, reducers, elbows, pipe caps, flanging, flanges and other products made of carbon steel, alloy steel, stainless steel, aluminum alloy, nickel base alloy, composite materials and other materials; with an annual production capacity of more than 10,000 tons and complete product specifications (DN15 - DN3000), the products can be manufactured according to various standards, as well as the drawings and requirements provided by users. Our products are widely used in petroleum, chemical industry, marine engineering, shipbuilding, textile, paper making, electric power, metallurgy, food, machinery, pharmaceutical, construction, gas, nuclear power and other industries.
Eccentric Reducer
The reducer, also known as the size head, is a type of chemical pipe fittings used to connect two pipes of different diameters. Divided into concentric head and eccentric head.
Reducer materials include stainless steel reducer, alloy steel, reducer carbon steel, reducer 20 steel q234q345, etc.
The structural characteristics of the reducer
The eccentric reducer is made of carbon steel and is expressed by multiplying the diameter of the large end by the diameter of the small end multiplied by the thickness.
Eccentric reducer standard: national standard, American standard, British standard and various non-standard high pressure stamping.
The eccentric reducer shrink forming process is to put the tube blank with the same diameter as the large end of the reducer into the forming die, and extrude the tube blank along the axial direction, so that the metal moves along the die cavity and shrinks. According to the diameter of the reducer, it can be divided into one pressing or multiple pressing.
The characteristics of eccentric reducer are that its strength is significantly higher than that of carbon steel with the same carbon content, good toughness and plasticity, good weldability and corrosion resistance.
Application of reducer
1. When the flow rate of the fluid in the pipeline changes, such as increase or decrease, and the flow requirement does not change much, the reducing pipe is needed.
2. At the inlet of the pump, in order to prevent cavitation, a reducer is required.
3. For joints with instruments, such as flow meters, regulating valves, etc., in order to cooperate with the joints of the instrument, reducers should also be used.
Manufacturing standards: ASMEB16.9, GB/T 12459, GB/T 13401, SH3408, SY/T0609, SY/T0510, JIS B2311, JIS B2312, etc.
Materials: stainless steel 304, 304L, 304H, 321, 316, 316L, etc.
Carbon steel Q235B, 20, Q245R, Q345R, Q355, etc.
Alloy steel 15CrMoG, 12CrMoVG, 15CrMo, etc.
Duplex stainless steel 2205, 2507
Nickel base alloy, NO6600, NO4400, NO8800, etc.
Sizes: seamless from 1/2”-28” (DN15-DN700); seamed from 1/2”-140” (DN15-DN3200)
Wall thickness: SCH5S-SHC160
Raw materials: seamless pipe, welded pipe, plate welding and forging (for high pressure)
Manufacturing process: extrusion, pressing, cold working, machining, welding and heat treatment
Surface treatment: sand blasting and acid pickling and passivation;
In addition, the product can be customized and processed according to customer drawings.
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