• Jun , 14 2023

(1) Wedge type single gate valve ① The structure is simpler than that of an elastic gate valve; ② At higher temperatures, the sealing performance is not as good as elastic gate valves or double gate valves; ③ Suitable for high-temperature media prone to coking. (2) Elastic gate valve It is a special form of wedge type single gate. Compared with wedge gate valves, they have good sealing performance...

• Jun , 13 2023

1. Replace the sealing ring After long-term use in sewage media, the gap between the impeller and the sealing ring may increase and need to be replaced in a timely manner. 2. Place in a ventilated and dry place When not in use, the water pump should be promptly lifted away from the water source and the accumulated water inside the pump should be drained, especially in cold winter. 3. Regularly ins...

• May , 19 2023

Valves are control components in fluid conveying systems that have functions such as cutoff, regulation, diversion, prevention of reverse flow, pressure stabilization, diversion, or overflow pressure relief. According to different classification standards, there are various types of valves, and each valve has its own unique features. 1. By valve type Block valve: Block valve, also known as closed ...

• May , 16 2023

Introduction to straight through diaphragm valve: A straight through diaphragm valve is a special form of block valve, whose opening and closing parts are a diaphragm made of soft material, which separates the valve body cavity from the valve cover cavity and driving components. The valve has an elastic and disturbable diaphragm connected to the compressed part by bolts. The compressed part is ope...

• May , 08 2023

Introduction to D363H-16C Butt Welding Metal Seal Butterfly Valve： The D363H-16C butt welded metal sealing butterfly valve adopts a precise J-shaped elastic sealing ring and a three-layer metal hard sealing structure with three eccentrics. It is widely used in industrial pipelines such as metallurgy, power, petrochemical, water supply and drainage, and municipal construction where the medium ...

• May , 05 2023

Manual valve is a common valve. It can be said that manual valves are encountered in daily life and production pipelines. The operation of the manual valve is very simple, you only need to pay attention to some skills during installation, and you can easily operate it in the future. This article will introduce you to manual valve installation skills. Many valves are directional, such as globe valv...

• Apr , 28 2023

How to choose ball valve and gate valve? There are big difference between ball valve and gate valve. To know how to choose ball valve and gate valve, we must first know the difference between a ball valve and a gate valve. The difference between ball valve and gate valve. 1. Disc structure The disc of the ball valve is a ball. Due to the structure of the fixed ball, the valve ball is fixed under h...

• Apr , 23 2023

What kind of media can the hard seal pass through? Let TONGLU YONGXIN VALVE CO.,LTD introduce to you. The hard-sealed butterfly valve is suitable for pipelines conveying various corrosive and non-corrosive fluid media in producer, coal gas, steam, natural gas, city gas, hot and cold air, chemical refining engineering and power generation environmental protection system and...

• Apr , 21 2023

The butterfly plate of flanged telescopic butterfly valve is installed in the diameter direction of the pipe.In the cylindrical channel of the telescopic butterfly valve body, the disc-shaped butterfly plate rotates around the axis,the rotation angle is between 0° and 90°. When the rotation reaches 90°, the valve will be fully open.It is used in the pipelines of petroleum, chemical, food, medicine...

• Apr , 19 2023

The leakage of valve is very common in life and industrial production, and the impact is very big, it will not only cause waste, but also bring danger to life,such as the leakage of tap water valve,will lead to serious consequences.Valve packing is one of the most prone parts of the valve to leakage,but the reasons can be divided into the following aspects. 1. The str...