Knife gate valve features and operating environment, as well as procurement precautions, and maintenance of the detailed introduction

Knife gate valve features and operating environment, as well as procurement precautions, and maintenance of the detailed introduction

Knife gate valve is a valve in the pipeline with the function of closing, controlling and regulating fluid. Its main characteristics are good sealing, simple structure, easy to open and close.

Knife gate valve is suitable for clean water, sewage, sea water, gas, oil, steam and other media, often used in chemical industry, water treatment, municipal, water supply, general industry and other fields.

When purchasing knife gate valve, the following points need to be paid attention to:

1. Determine the working medium and working pressure, select appropriate materials and specifications;

2. Determine the connection mode and structural length of the valve to ensure that it matches the pipeline;

3. Before purchase, it is necessary to check the manufacturer and quality certification qualification of the product to ensure the reliable quality of the product;

Knife gate valve repair and maintenance mainly includes the following aspects:

1. Check the sealing performance of valve regularly, replace the sealing parts and repair the surface wear in time when problems are found;

2. Regularly check the flexibility, accuracy and durability of the valve transmission mechanism and operating mechanism, and replace the parts in time when problems are found;

3. Regularly check the corrosion and damage of valve material surface, timely cleaning, maintenance and replacement;

4. Lubricate and maintain the valve regularly to ensure its flexibility and service life.

In short, knife gate valve is a common type of valve, in use, procurement and maintenance aspects need to pay more attention to ensure its normal, stable and reliable operation.