Langfang Dingyang Flange & Pipe Fitting Co.,Ltd wishes you a happy International Children’s Day!
Monday, 01 June 2020
International Children’s Day is set to be June 1 every year. In order to mourn the liditzer massacre of 10 June 1942 and all the children who died in the war all over the world, oppose the killing and poisoning of children, and guarantee the rights of children. In November 1949, the International Federation of
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Main parts of China Manufacturer Railway Wheel and Axle for Wheel Set
Monday, 25 May 2020
Main parts of China Manufacturer Railway Wheel and Axle for Wheel Set: ① Wheel seat, the place where the wheel is pressed, is also the part with the largest diameter on the axle; ② journal, the part on the axle that acts on the bearing; ③ axle body, the part between two wheels, the axle
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Notes on welding of stainless steel flange pipe
Monday, 18 May 2020
When stainless steel flange pipe fittings are welded, they are repeatedly heated to separate carbides, reducing corrosion resistance and mechanical function. When using the electrode, it should be dry. The titanium calcium type should be dry for 1 hour at 150 ℃, and the low-a hydrogen type should be dry for 1 hour at 200-250
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You should pay special attention to these five points when designing stainless steel flange
Tuesday, 12 May 2020
1. Tooling design and manufacturing The stainless steel flange consists of two 900 plywood, two flange brackets, two vertical plates and four stiffeners. In order to ensure the rigidity of the tooling, the weld of the connecting plate shall be slotted and penetrated, and the welding angle shall be 20-30mm high. Bolt holes are
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What is LAPPED FLANGE?
Wednesday, 06 May 2020
LAPPED FLANGE is a kind of flange loose on the flange of vessel or pipeline. It is a loose flange. The flange can be made by flanging, directly turning out or welding the ring. The utility model has the advantages that when the flange is deformed, there is no additional moment on the container or
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What is the reason of low hardness of stainless steel flange
Sunday, 26 April 2020
(1) Stainless steel flange materials with low hardness and good resistance, such as low carbon steel, aluminum alloy and other materials, have low hardness and good resistance. It is difficult to break chips during cutting, and it is easy to generate chip accretion, which affects the surface quality. Therefore, the stainless steel flange material is
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The solid solution of stainless steel flange
Monday, 20 April 2020
The solid solution process of stainless steel flange has a great influence on the corrosion resistance and appearance brightness of stainless steel, and plays a decisive role in the processing performance of stainless steel. Therefore, the heat treatment process of stainless steel is very important in the production of stainless steel flange. 1、 Solution
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How to connect the stainless steel flange to the pipeline
Wednesday, 15 April 2020
1. The stainless steel flange grafting tee is flat on the sealing ring, such as for the construction of large-diameter plastic pipe, applicable to a variety of pipe outer diameter, PE chemical Chinese name, customized flange opening tee Application pipeline: crude oil pipeline, gas pipeline, natural gas pipeline, water supply / drainage pipeline, fuel oil
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Where is FORGED FLANGE mainly used and what is its function?
Friday, 10 April 2020
FORGED FLANGE DESCRIPTION FF/RF /RTJ SIZE: 1/2″-40″ &DN15-DN1000 CLASS: 150LB-2500LB&PN0.6MPa-PN42MPa STANDARD : ASME B16.5、 ASME B16.48、 ASME B16.47 SERIES A、 ASME B16.47 SERIES B What are the benefits of using the FORGED FLANGE? After the flange is used, it is easy to maintain as long as the flange is disassembled for later maintenance.
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Structure and stress of Chinese Supplier Hot-Selling Steel Forged Railway Train Wheel
Wednesday, 01 April 2020
The part of the wheel in contact with the rail, that is, the outer ring of the wheel, is called the rim on the overall wheel and the rim on the wheel. The surface of the wheel rim or wheel hoop contacting with the rail is called the tread, and the convex part on one
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