Page 11 of News of Company, Products, Events, Industry

Thousands of Boeing 737 are under emergency inspection due to valve problems. Because it may cause engine failure. The Federal Aviation Administration (FAA) last week gave orders about an emergency inspection of about 2000 Boeing 737 aircrafts because of potential engine valve problems. Because it could...

We need to know that the globe valve can not be used in any pipeline. This article will talk about the knowledge of globe valve. The opening and closing parts of globe valve are plug-shaped disc. The sealing surface is flat or conical. The disc moves in a straight line along the center line of the valve...

Where should the check valve be installed? Did you install it right? Today, we will discuss the installation position of check valve. How to determine the installation position of the check valve? What is the difference between the check valve installed before the pump and after the pump? Where is the...

What is check valve? And what is the impact of its breakdown? This is news is going to talk about it. After our home decoration, some water pipes have been installed with check valves. Let's introduce how to repair the check valve, so that we don't need to hire a water and electricity worker...

What should be used for butterfly valve, soft seal or hard seal? Soft seal: Two sides of the sealing pair are metal materials, and the other side is elastic non-metallic material, which is known as "soft seal". The sealing performance of the soft seal for butterfly valve is good, but...

This news is about the brief introduction of butterfly valve including the working priciple and its application features. Butterfly valve is composed of valve body, disc, stem and handle. It adopts disc type opening and closing parts. The disc type valve disc is fixed on the valve rod, and the valve...

1. Corrosion Resistance. The sealing surface of the valve is easy to corrode because of the medium. If the surface corrodes, its sealing performance cannot be guaranteed. Therefore, the material used for the sealing surface must be corrosion resistant. The corrosion...

Check valves can be divided into swing check valves and lift check valves. Swing check valves can only be installed on horizontal pipes, while lift check valves can be installed on both horizontal and vertical pipes. First, look at the consequences of a pump without a check valve: The water flow in...

Check valve for coal chemical industry According to the structure of the check valve, it can be divided into three types: lift check valve, swing check valve and butterfly check valve. Lift check valve can be divided into vertical type and horizontal type. Swing check valve is divided into three types:...

Except that some general-purpose valves can be used in some coal chemical industry conditions,  which valves are special valves for coal chemical industry? Metal hard-seal wear-resistant ball valve, including: lock hopper valve, slag lock valve, ash lock valve, air release valve, balance valve....