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  • 2024/3/29
    Commonly used material heat treatment process of valve body
    Valve body blank heat treatment process according to different materials are as follows: 1. Heat treatment of gray cast iron In order to achieve different purposes, gray cast iron can be subjected to different heat treatments after casting. In the production of valve, the heat treatment processes commonly used for gray cast iron valve body and other parts after casting are: the

  • 2024/3/15
    Causes and treatment of internal leakage of natural gas ball valve
    Causes of ball valve internal leakage 1. Reasons for internal leakage of the valve during the construction period: ① Improper transportation and hoisting causes the overall damage of the valve, resulting in internal leakage of the valve; ② When leaving the factory, the hydraulic pressure is not dried and anti-corrosion treatment of the valve, resulting in corrosion of the seal

  • 2023/8/25
    Working Principle and Application of Self operated Regulating Valve
    Working principle of self operated regulating valve: The operation of a self operated regulating valve is based on a basic principle: to use the energy of the process fluid to adjust the position of the valve. These valves integrate a self regulating mechanism that can respond to fluctuations in process variables such as pressure, temperature, or flow rate. This type o

  • 2023/8/4
    Common faults and troubleshooting methods of ball valves
    Ball valve is a commonly used control valve in industrial pipelines, which has advantages such as simple structure, small flow resistance, and good sealing performance. However, during use, ball valves may also experience some common malfunctions, such as valve jamming, leakage, and leakage. Below, we will introduce common faults and troubleshooting methods for ball valves. 01. Valve

  • 2023/7/28
    Can globe and gate valves be mixed?
    Due to some similarities in appearance between globe valves and gate valves, as well as their ability to cut off in pipelines, many circle members who do not have much contact with valves may confuse the two. In fact, if carefully observed, the difference between globe valves and gate valves is quite significant. Firstly, in terms of valve structure, the gate valve can rely on m

  • 2023/7/7
    Installation environment and maintenance precautions for butterfly valves
    1. Installation environment Installation environment: Butterfly valves can be used indoors or outdoors, but in corrosive media and areas prone to rusting, corresponding material combinations should be used. For special working conditions, consult Zhongzhi Valve. Installation location: Installed in a location that is safe to operate and easy to maintain, inspect, and r

  • 2021/4/9
    Teji valve sales elite team into the workshop, zero distance to feel the production line!
    In order to improve the comprehensive business quality of the sales team of the Teji valve group, further consolidate the basic knowledge of the valve industry and improve the business ability, on April 2nd, the sales team of the special effect valve group went to the production workshop to visit and learn along the industrial process of valve production.Workshop technical personne

  • 2021/1/29
    Operating method of manual valve
    Manual valve is a valve operated by handle and handwheel. It is a common valve used in equipment pipeline.Its handle, hand wheel rotation direction clockwise is closed, counterclockwise is open.However, there are individual valves that open in the opposite way.Therefore, attention should be paid to check the open and close mark before operation.。 The handwheel and handle on the

  • 2020/7/16
    How to identify valve identification paint?
    The outer surface of the valve should be painted out of the factory, the paint layer should be durable, beautiful rules, and ensure that the mark is clear. 1, valve products according to the body material to identify the paint, the color according to the table Body material Gray cast iron, malleable cast iron Nodular cast iron

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