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The basic process of carbon steel elbow forming is: first, weld a polygonal ring shell or a polygonal fan-shaped shell with both ends closed. After the internal pressure is filled with pressure medium, the cross-section gradually changes from polygon to circle and finally becomes a circular ring she
The carbon steel flange seal is through the pretension force of the bolts, causes the gasket and the flange seal surface to produce the sufficient pressure, the gasket surface produces the distortion enough to fill the flange seal surface the microscopic irregularity, achieves the goal which does no
Carbon steel flange storage is very important, the general project will choose carbon steel quality, carbon steel flange surface is very easy to appear floating rust, placing time long appearance is not beautiful, the storage of flanges shall not be placed directly on the ground, put the ground into
International Children’s Day is scheduled for June 1 every year. In commemoration of the leditzer massacre on June 10, 1942 and all the children who died in the war all over the world, we oppose the maltreatment and poisoning of children, and safeguard the rights of children.In November 1949, the In
The carbon steel flange according to the seal surface different has many kinds of classification, the flange seal surface form and the use environment has the direct relations, below the small plait to take everybody to understand each kind of different seal surface.1. The whole plane of the sealing
Carbon steel elbow is a kind of elbow that can improve the temperature of warmth, which is often used in people’s daily life, which has been widely accepted and used. Carbon steel elbow universal use and construction, in the laying of the decoration and piping, it is very good to ensure the normal a
