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Name:Aluminum alloy flange manufacturers
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The advantages of aluminum alloy flanges are low temperature and corrosion resistance of aluminum alloy materials, which are commonly used in low temperature pipelines and chemical pipelines. Aluminum alloy flanges are divided into flat welding flanges (plate type flat welding flanges PL) and neck flat welding flanges. (SO), neck butt weld flange (WN), three. The disadvantage of the aluminum alloy flange is that it is soft and does not withstand pressure. The cost of the neck-welded flange is too high, so it is commonly used as a flat welding flange.

      
Aluminum alloy plate flat welding flange is suitable for aluminum alloy pipe connection with nominal pressure not exceeding 2.5MPa. The sealing surface of plate flat welding flange can be made into full plane, convex surface, protruding surface RF, concave and convex surface, grooved surface, plate type The flat welding flange is applied in a large amount in the aluminum alloy flange, and is used in a case where the medium condition is relatively moderate, such as a central air conditioner, a low-temperature low-pressure purifying air, and a circulating water pipe.

      
Depending on the grade of pressure, the gaskets used in the flanges are also available in different materials, from low-pressure asbestos mats, high-pressure asbestos mats to metal mats.
      
1. Divided carbon steel flanges, cast steel, alloy steel flanges, stainless steel flanges, etc.
      
2. Divided by manufacturing method can be divided into forged flange, casting flange, welded flange, rolled flange (large model)
      
3. According to the manufacturing standards, it can be divided into national standard (Ministry of Chemical Industry Standard, Petroleum Standard, Power Standard), American Standard, German Standard, Japanese Standard, Russian Standard, etc. The welding ring with neck loose flange flange connection is composed of a pair of flanges, a gasket and a plurality of bolts and nuts. The gasket is placed between the two flange sealing surfaces. After the nut is tightened, the specific pressure on the surface of the gasket reaches a certain value and then deforms, and fills the unevenness on the sealing surface to make the joint tight. Our company sells all kinds of material flanges, the products meet the relevant national standards, the quality is high, welcome to buy!


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