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Characteristics of soft seal /resilient seated gate valves
Title: what are the characteristics of soft seal /resilient seated gate valves? Traditional gate valves often have water leakage and corrosion. In order to overcome this shortcoming, the soft-seal gate valve appeared. As an updated product of the traditional gate valve, the soft-seal gate valve overcomes the shortcomings of poor sealing performance, poor elasticity, and […]
The Basic Knowledge of Butterfly Valves
Butterfly valve is also called butterfly type valve or flap valve, which is a kind of regulating valve with very simple structure. Its main structure is composed of valve body, butterfly plate, valve stem, valve seat, transmission device and operating mechanism. How does the butterfly valve work? The working principle of the butterfly valve is […]
The correct operation method of manual valve
The manual valve is operated by the operator with the help of a handle or a hand wheel to manipulate the opening and closing of the valve by manpower. When the valve opening and closing torque is large, a turbine device needs to be installed between the handle or hand wheel and the valve stem, […]
Commonly used valves for Water Supply and Drainage System
Valves often used in water supply and drainage piping systems include butterfly valve, gate valve, check valve. This article introduces common water supply and drainage system valves one by one. 1. Butterfly valve: a simple regulating valve, generally used in low-pressure medium pipelines for cutting off and intercepting. It is also one of the common valves in water […]
Advantages and disadvantages of gate valve and its scope of application
This article will explain the advantages and disadvantages of gate valves and the scope of application. A gate valve is a valve in which the opening and closing part moves along the vertical direction of the pipeline channel axis. The opening and closing part is called a gate, which is mainly used to cut off […]
Commonly Used Seat Materials for Butterfly Valve
The valve seat is a detachable part inside the valve. Its main function is to support the valve core to be fully closed or fully closed, and to form a sealing pair. Under normal circumstances, the diameter of the valve seat is the size of the valve. The butterfly valve seat is made of a […]
What are the commonly used valves
The valve is a pipeline accessory, used to open and close the pipeline and control the flow of fluid medium in the pipeline. The functions of the valve in the pipeline include cut-off, regulation, diversion, prevention of reverse flow, stabilization, diversion or overflow and pressure relief. There are many types of valves. As the control […]
Precautions for installation and use of NRS gate valve
NRS gate valve means non-rising stem gate valve; RS gate valve means rising stem gate valve. Gate valves can be divided into RS gate valves and NRS gate valves according to their appearance structure. This article mainly introduces the NRS gate valve. In the structure of the NRS gate valve, the stem nut is placed […]
What are the taboos when installing valves
The valve is an important component in the fluid pipeline, and it is also a relatively fragile pipeline control device. Installing a valve is a technical task. It seems easy. In fact, there are many details to pay attention to. If there are some contraindications when installing the valve, it is serious. It will cause […]
Cleaning /Purge method of triple eccentric butterfly valve
As a new type of high-performance butterfly valve product, triple eccentric butterfly valve is widely used in heating, heating, gas supply, water supply pipeline and heating system of power station. After the triple eccentric butterfly valve is installed on the pipeline, it must be purged before work. After the butterfly valve and the pipeline are […]