Precautions for Installation and Maintenance of Stainless Steel Elbows

Jane

What is a stainless steel elbow?

Stainless steel elbows are a very common type of connector in pipeline installation. In the pipeline system, they bear the key responsibility of changing the direction of the pipeline. From the perspective of angle, the common ones are 45°, 90° and 180°. Under special engineering requirements, elbows with uncommon angles such as 60° are also used. Its nominal pressure is generally 1-1.6Mpa. It is mainly made of stainless steel, such as the common 304 stainless steel, 316 stainless steel, etc. In the pipeline system, stainless steel elbows can connect two pipes with the same or different nominal diameters. Through their own different bending angles, the pipeline can be turned at 90°, 45°, 180° and various degrees, making the layout of the entire pipeline system more flexible and meeting the pipeline laying requirements in different scenarios.

Precautions for Installation and Maintenance of Stainless Steel Elbows

Stainless steel elbows are widely used in the fields of oil and gas, chemical industry, nuclear power plants, food production, engineering construction, shipbuilding, paper industry, pharmaceutical industry, etc. They have different applications in different fields and show their value in various industries. The following is an explanation of the precautions for the installation and maintenance of stainless steel elbows by Permanent Steel Manufacturing Co., Ltd.

Precautions for installing stainless steel elbows:

1. Before installation, it is necessary to strictly check each standard of the stainless steel elbow and check whether the pipe diameter meets the application requirements. In addition, it is necessary to ensure that there are no problems during transportation and make all preparations before installation.
2. During installation, the connection method of the stainless steel elbow can be directly installed on the pipeline and installed according to the specific location of the application. Under normal circumstances, the installation can be placed anywhere on the pipeline, but in order to facilitate later maintenance, it is necessary to pay attention to the material of the stainless steel elbow should flow from the bottom of the longitudinal valve disc to the top, and the stainless steel elbow can only be installed horizontally.
3. When installing the stainless steel elbow, you also need to pay attention to the sealing to avoid leakage, which will affect the operation.
4. The bolts in the valve gland of the stainless steel elbow should be tightened and should not be crooked to avoid leakage caused by the movement of the valve stem.
5. During installation, the stainless steel elbow can be directly installed on the pipeline according to the connection method and installed according to the specific location of the application. Under normal circumstances, it can be installed at any specific position of the pipeline, but it needs to be easy to operate.

Note that the flow direction of the stainless steel elbow should be from the bottom of the longitudinal valve disc to the top, and the stainless steel elbow can only be installed horizontally. When installing the stainless steel elbow, pay attention to the sealing to avoid leakage and affect the normal operation of the pipeline.

Stainless steel elbow maintenance precautions:

1. Stainless steel elbows stored for a long time need to be checked regularly. The exposed processed surface should be kept clean and free of dirt. They should be neatly stored in a ventilated and dry place indoors. Stacking or outdoor storage is prohibited. Always keep the stainless steel elbows dry and ventilated, keep the device clean and tidy, and store them according to the correct storage method.

2. Use handwheels for stainless steel elbows, and do not use levers or other tools to avoid damaging the valve parts. The handwheel rotates clockwise for closed, and reverse for open. Be fair when using it and ensure the correct method and means of use.

3. When using stainless steel elbows, they should always be kept clean, and the transmission system threads must be lubricated regularly. When a fault is found, it should be stopped immediately, and the cause should be found and the fault should be cleaned.

4. The bolts of the gland of the stainless steel elbow valve packing should be tightened evenly and should not be twisted to avoid damage, obstruction of valve stem movement or leakage.

Read more: Heat Treatment of Stainless Steel Elbows