What Are the Precautions of Usage of Stainless Steel Valve Elbows?

Classification of stainless steel valve elbows

The stainless steel elbow is mainly different from the carbon steel elbow in material. Its chemical composition will prevent the surface of the elbow from rusting and corrosion for a long time. In the piping system, the elbow is a pipe fitting that changes the direction of the pipe. From an angle, the three most commonly used are 45°, 90° and 180°. In addition, according to engineering needs, it also includes other abnormal angles such as 60°.

The elbow is made of cast iron, stainless steel, alloy steel, malleable cast iron, carbon steel, non-ferrous metal and plastic. Pipeline connection methods include: direct welding (the most common method) flange connection, hot melt connection, electric fusion connection, screw connection, socket connection and so on. According to the production process, it can be divided into welding elbows, stamping elbows, hot pressing elbows, pushing elbows, casting elbows, forging elbows, clamping elbows, etc. Other names are 90° elbow, right angle bend, love and bend, white steel elbow, etc.

The 90° stainless steel elbow is mainly used for one of the connection joints for piping installation and for the connection of piping bending. Two pipes with the same or different nominal diameter can be connected to make a 90 ° turn of the pipe.

Stainless steel elbows can be divided into:

1. According to manufacturing standards, it is divided into national standard, ship standard, electric standard, water standard, American standard, German standard, Japanese standard, Russian standard, etc.

2. According to the production method, it can be divided into extrusion, stamping, forging, casting, etc.

Precautions for the use of stainless steel elbows

1. The stainless steel elbow can be installed directly on the pipeline according to the connection method, or according to the location of use. Considering the normal situation, the stainless steel elbow can be installed at any position of the pipeline, but it needs to be sealed to prevent the flushing leakage phenomenon, which will affect the normal operation of the pipeline.

2. When using ball valves, globe valves and gate valves with stainless steel elbows, these valves can only be fully opened or closed. They are not allowed for flow regulation to avoid sealing.

3. For long-term storage of stainless steel elbows, periodic inspections should be carried out. The exposed processing surface should be kept clean, the dirt should be removed, and stored neatly in a ventilated and dry place indoors. And it is strictly forbidden to stack and store in the open air. Always keep the stainless steel elbows dry and ventilated, keep their guards clean and tidy, and store them according to accurate storage methods.

There are many things to be aware of when using stainless steel elbows. Users need to use them according to specific methods, and use and maintain them according to accurate and fair methods to extend their service life.

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