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Applicable occasions and application conditions of butterfly valves
At present, the butterfly valve has become the most widely used valve in the application field. Many people are not very familiar with the applicable occasions of butterfly valves. This article will take you to understand the applicable occasions and application conditions of butterfly valves, so that you have a better understanding of butterfly valves. […]
Introduction to basic knowledge of gate valve
The gate valve is one of the important pipe fittings in the pipeline for conveying fluid media. The gate valve is mainly used for cutting off the medium. It can only be fully opened or fully opened, and cannot be used for flow adjustment. Its opening and closing part is a gate. The movement direction […]
Installation and Maintenance of Butterfly Valve
The butterfly valve has become one of the most widely used valves. Although it is only a small part on the fluid pipeline, it has a very large effect. The installation and maintenance of butterfly valves is a science. The correct installation of butterfly valves is the first step to ensure the normal operation of […]
resilient seated butterfly valve vs metal seated butterfly valve
Butterfly valve, also called flap valve, has a wide range of uses. It is generally installed on pipelines that transport various corrosive and non-corrosive fluid media in gas, natural gas, liquefied petroleum gas, cold and hot air, chemical smelting and other engineering systems for adjustment. And cut off the flow of the medium. There are […]
Difference between NRS gate valve and RS gate valve
NRS gate valve, means Non-rising Stem gate valve; RS gate valve, means Rising stem gate valve. you can see the difference in appearance on below photos. Gate valve is one of the most common valves in piping systems. Because it can only be fully open and fully open, gate valves are commonly used when the fluid […]
Ways to Extend the Service Life of Valves
In industrial production, we always want to reduce costs, increase production capacity, and maximize profits. In addition to vigorously developing scientific and technological productivity, in daily work, paying attention to some small details, avoiding waste, can also reduce costs. Valves are disposable items and have their own service life. Once this period has passed, they […]
Working principle and characteristics of triple eccentric butterfly valve
Triple eccentric butterfly valve, also named triple offset butterfly valve. Nowadays, butterfly valves have been used in many industries. In the beginning, the butterfly valve was only used for the interception and communication of water media. The triple eccentric design enhances the function of the butterfly valve and has become one of the valves with […]
How to choose a valve in the chemical industry
The media transported in various pipelines in the chemical industry are usually corrosive, such as sulfuric acid, hydrochloric acid, nitric acid and other corrosive media. All corrosion protection is the most basic requirement of chemical equipment. Chemical valves are of course no exception, and the selection of valve materials must be corrosion-resistant. If the chemical […]
Gate valve structure diagram and working principle
Gate valve structure; Working principle of gate valve Gate valve /stop valve structure: The gate valve refers to a valve in which the gate closing member moves along the vertical direction of the center line of the passage. Generally, it consists of valve body, valve seat, valve stem, gate, valve cover, and sealing ring. It […]
Non-rising stem(NRS) and rising stem(RS) gate valve
structures and differences of Non-rising stem(NRS) gate valve and rising stem(RS) gate valve RS gate valve structure picture, NRS gate valve structure picture RS gate valve and NRS gate valve are different from the transmission mode. RS gate valve is a handwheel that drives a nut to rotate in place, and the stem is linearly […]