Langfang Dingyang Flange & Pipe Fitting Co.,Ltd wishes you Qingming Festival Ankang

Qingming Festival, also known as the outing Festival, Xingqing Festival, March Festival and ancestor worship Festival, is held at the intersection of mid spring and late spring. Qingming Festival originated from the ancient ancestor belief and spring festival rituals and customs. It has both natural and human connotations. It is not only a natural solar
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Welding technology of high neck flange

Welding technology: 1. Tack welding Tack welding must be carried out by welders with corresponding qualification certificates. The surface and both sides of the base metal near the weld shall be uniform and smooth without burr, crack, oxide scale, rust, grease, water and other impurities. The thickness of the positioned welding seam shall not be
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Brief introduction of high neck flange

Neck flange, also known as long neck flange and neck flange, is a disc-shaped part, which is mainly used to realize the connection between pipelines. It has been widely used in petrochemical, urban water supply and power system. In recent years, with the planning and construction of UHV transmission line project of State Grid, the
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Large flanges have relatively large load bearing capacity and are not easily deformed in engineering

Generally, large flanges have relatively large load bearing capacity and are not easily deformed in engineering. The key problem is thickness. The inside and outside diameters of large flanges are not a problem, but the thickness of flanges is the most difficult to process. Large flanges are easy to deform if they are too thin.
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Introduction of flexible sealed waterproof casing

1. When the upstream surface is corrosive medium, the gap can be sealed with sealing materials. See the atlas of waterproof casing for the method; Installation drawing of flexible waterproof casing (type A). 2. flexible waterproof casing material: Bituminous hemp, polystyrene board, PVC foam board. 3. Sealing paste: polysulfide sealing paste, polyurethane sealing paste. 4.
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What is the production and processing mode of stamping elbow?

The forging of carbon steel elbow is the production and processing method of applying forging equipment to pressure the blank of metal material to cause plastic deformation, so as to obtain steel castings with physical properties, appearance and specifications. Forging is a common forming method in mechanical equipment manufacturing. The physical properties of steel castings
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What should be paid attention to in daily use of carbon steel flange

First of all, we should not put the carbon steel flange in the wet place, because the carbon steel and water will rust for a long time, the surface will change, and the mechanical properties will also be changed accordingly, which brings trouble to our use, so we should try our best to avoid, and then we
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Langfang Dingyang Flange & Pipe Fitting Co.,Ltd wishes you a happy International Women’s Day！

International working women’s day, fully known as “UN women’s rights and international peace day”, also known as “March 8” women’s day in China, is a festival established by the United Nations on March 8, 1975 to celebrate the important contributions and great achievements made by women in the economic, political and social fields. On this
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Why does stainless steel flange rust

What should be paid attention to in the processing of stainless steel flange   The flange with Jerry built materials is generally cast, and there are many problems, such as shrinkage and porosity of poor flange. Common carbon steel and stainless steel flanges are mostly made of steel plates, but also cast and forged. In the process of processing,
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Existing value and advantage of carbon steel flange

Existing value of carbon steel flange: First, if a section of pipe fittings connected by carbon steel flange is damaged, it is convenient to replace the pipe fittings. In this way, it is unnecessary to replace the whole pipe system;   Second, the use of carbon steel flange pipe fittings, in the repair and inspection of
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