To ensure that the flange of the device does not leak oil, the device requests and should pay attention to the following problems:   (1) The stainless steel flange shall have sufficient strength and shall not be deformed during fastening. The flange sealing surface shall be flat and clean, and the oil stain and rust

Chemical corrosion   1. Surface pollution: the oil, dust, acid, alkali, salt, etc. attached to the surface of the workpiece are transformed into corrosive medium under certain conditions, which has chemical reaction with some components in the stainless steel parts and rusts due to chemical corrosion.   2. Surface scratch: the damage of various scratches

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

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

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

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

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

(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

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

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