Safety Aids for Butt Welding Flanges in Construction Engineering

The flat welding flange is a flange that is directly welded to the equipment or pipeline through the fillet weld. The structure is simple and the processing is convenient. Its stress characteristics are between the integral flange and the loop flange.

The flat welding flange is divided into plate flat welding flange and neck flat welding.

The flat welding flange is low in cost and short in the production cycle. It is more commonly used. A flange type is widely used in various fluid pipelines. A short radius flange means that its radius of curvature is equal to the outer diameter of the pipe (outer diameter).

The gasket used is an asbestos rubber sheet. Bulging method: one is to place rubber in the tube, and compress it with a punch above to make the tube protrude; the other method is hydraulic bulging, filling the middle of the tube with liquid, and the pressure of the liquid will bulge the tube into the desired shape, like ours Most of the commonly used corrugated pipes are produced by this method.

Wear-resistant materials are important raw materials for making stainless steel flanges, and their higher value is reflected in the production.

It has relatively high requirements for testing equipment, especially for probes. For many parts with large deformation and pipe fittings with a diameter below 1, the domestic straight probes commonly used by most inspectors are prone to missed inspections, and there is even no way to pass the inspection on site.

The practice has found that for the above difficulties, using a dual-element probe with a diameter of less than Wide, but the performance in our country is poor, in foreign countries, whether it is samples or information, there are many types of flanges, all kinds. Flanges with different pressures have different thicknesses and use different bolts. It can be calculated by theoretical calculation, and then cut with the length as the fixed length.

When selecting the type of vortex flowmeter, when selecting the standard, it is necessary to pay attention to the difference of and match the standard of the pipeline, that is, the instrument is selected, and the pipeline is also selected, so as to avoid a protrusion between the inner diameter of the pipeline and the inner diameter of the instrument.

The pneumatic device has no infection, no dead angle and no residue in the valve, and the pneumatic valve has a hygienic structure.

To a certain extent, it has an important influence on certain industries and reflects important value. Construction fasteners play a very important role in construction and construction. It is a safety aid for construction butt welding flanges and is widely used in the construction industry.

Safety Aids for Butt Welding Flanges in Construction Engineering

Folding method: There are three commonly used methods, one method is called the stretching method, the other method is called the stamping method, and the third method is the familiar roller method. There are three rollers, two fixed rollers, one adjustment roller, and an adjustment of the fixed roller. distance, the finished flange fittings are curved. A flange is also called a flange. The part that connects the pipe to the pipe, is connected to the pipe end. There are holes in the flange, and the bolts tightly connect the two flanges.

The flanges are sealed with gaskets. The flange is a disc-shaped part, which is more common in pipeline engineering, and flanges are used in pairs. In pipeline manufacturing, Flanges are mainly used for the link of pipelines. At the ends that need to connect the two pipelines, install a flange. deficient-pressure pipelines can use wire flanges and welding flanges with pressures greater than 4 kg.

Add sealing points within the two flanges, immediately after tightening with bolts. Neck flange connection or flange joint refers back to the detachable connection of the flange, Gasket and bolt as a group of the combined sealing structure. Pipe flange refers back to the flange used for piping in the pipeline installation, And used on the equipment refers to the inlet and outlet flange of the equipment.

There are holes in the flange, and the bolts tightly connect the two flanges. After the steel plate is cut into materials according to the requirements, like forming, it is also stamped into a circle through a die. In addition, pipe flanges and their gasket fasteners are collectively referred to as flange joints. For the convenience of welding, the steel type of the connected pipe is the same.