As two essential types of valve in industrial and civil pipeline systems, globe valves and gate valves both play a crucial role in controlling the flow of fluids. However, they have their own characteristics in regards of structure, operating principle, and applicable scenarios. Analysis of the similarities and differences between the two will provide us…
The slient check valve belongs to the category of automatic valves. Its function is to prevent the medium in the pipeline from flowing backwards. It is mainly used on pipelines where the medium flows on one way, allowing the medium to flow in only one direction to prevent accidents. The maintenance of slient check valves…
A check valve, also known as a non return valve or one way valve, is a valve allows the fluid to flow in only one direction, while automatically closing to prevent the backflow of the fluid in the opposite direction. The types of check valves are various and complex. Commonly used check valves according to…
For valves working in corrosive media conditions, corrosion prevention is the most crucial job. If the metal materials of chemical valves is not correctly selected, very esily it may damage the equipment at best, and at worst, it may lead to accidents or even disasters. According to some relevant statistics, about 60% of the chemical…
The check valve is used when the medium is required to flows only in one direction. It can prevent backflow. In terms of structure, the check valve can be classified into three types: lift check valve, swing check valve and butterfly check valve. Topwells here will introduce the differences between the lift check valve and…
A three way ball valve is a valve used to control the flow of media between three pipelines. Its working principle and structural characteristics have led to its wide application in many industrial fields. The following is a detailed introduction to three way ball valves: I. What is a three way valve and its types?…
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A non slam check valve is a check valve non slam type that can prevent the slam or water hammer when the valve closes. Because the non slam check valve is equipped with a special pressure reducing device. Before the valve closes, it can quickly reduce the liquid pressure inside the pipeline to below the…
What is Industrial Flange Gate Valves? An industrial flange gate valve is a type of valve used to control the flow of fluids in industrial pipeline systems. It opens or closes the passage by the vertical movement of the gates. When the gate is fully raised, the fluid can pass through the valve unobstructed; when…
I. What is a flow control valve? A flow control valve is a valve that can control the flow rate and volume of the fluid in a pipeline.It mainly includes throttle valves, speed control valves, and composite valves which is a combination of overflow valves and throttle valves, etc. It regulates the flow volume in…
It is well known, ball valves are widely used in fields such as chemical industry, petroleum, and metallurgy. The inner wall of the popular fully welded ball valve is extremely smooth. During the process of transporting medium, the friction between the inner wall of the ball valve and the medium is very small, and the…
In a fluid pipeline system, valves are essential parts, playing a crucial role in the controlling of flow rate, pressure, and flow direction of the fluid. Among verious types of valves, butterfly valves and gate valves are sure two common choices. However, there are many differences between both valves in terms of appearance, structure, working…
Pneumatic ball valves play a important role in industrial control systems, and the improvement of their energy efficiency is of great significance for the overall energy conservation and emission reduction of the system. Thelatest technologies breakthroughs for pneumatic ball valves are: Energy efficient industrial pneumatic ball valves with smart control: Energy saving mechanisms in industrial…
According to relevant information, within a certain period, a trunnion ball valve can replace gate valves, globe valves, and regulating valves as a tool for transporting fluids. It has good corrosion resistance, wear resistance, and pressure-bearing capacity. In recent years, more and more people inquire about products that are of high quality and low price….
Ⅰ.What is a slab gate valve? The slab gate valve uses a plate-shaped gate as the opening and closing component, achieving switching through the linear motion of the gate along a direction perpendicular to the fluid. Its remarkable features in structure are: The gate valve is generally being completely on and off. It can not…
The traditional hard sealing butterfly valve has no guarantee of sealing performance and may have a large leakage. In order to improve this situation, the hard sealing butterfly valve has been reformed many times, and the triple offset butterfly valve has been born. The characteristic of triple offset butterfly valve is that the alloy material with high temperature and corrosion resistance…
Ⅰ. Application of electric ball valve The electric ball valve is a rotary ball valve with a 90° rotation. It has excellent sealing performance, large flow capacity, small flow resistance coefficient, simple structure, convenient maintenance, and long service life. The valve body channel and the connecting pipe have the same diameter and form the same…
I. Throttle Valve II. Relief Valve
A globe valve refers to a valve in which the closing part (valve disc) moves along the center line of the valve seat. According to this movement form of the valve disc, the change in the opening of the valve seat is in a direct proportional relationship with the stroke of the valve disc. Since…
A plug valve is a rotary valve with a closing part or a plunger shaped structure. It realizes opening or closing by rotating 90 degrees to make the passage on the plug communicate with or separate from the passage on the valve body. The shape of its plug can be cylindrical or conical. In a…
Ⅰ.Leakage at the Packing of Soft Sealed Gate Valves 1.The packing gland is too loose Evenly tighten the nuts used to compress the packing gland. 2.Insufficient number of packing turns Increase the amount of packing. 3.Packing failure If the packing fails due to long term use or improper storage, new packing needs to be replaced….
Nonrising stem gate valves and rising stem gate valves are two common types of valves, and they have some obvious differences in structure, operation and application. The characteristics and differences of these two types of valves will be described in detail below. Structural differences between nonrising ste and rising stem gate valves. Operation modes of…
What key factors should we pay attention to when converting a manual valve into a pneumatic valve? I. Valve Compatibility Valve Type Matching: When selecting a pneumatic actuator, the primary task is to ensure that it matches the type of the existing manual valve. Different types of manual valves, such as gate valves, globe valves,…
I. Material Preparation The materials required for converting a manual gate valve into a pneumatic valve include: cylinder, air pipe, fasteners, tools, etc. II. Disassembly of the Manual Valve III. Installation of the Pneumatic Valve Install the Cylinder: Install the cylinder on the the manual valve, determining the installation direction and position of the cylinder…
Both manual ball valves and pneumatic ball valves are common types of valves, and they are widely used in industrial production. However, sometimes we need to convert a manual ball valve into a pneumatic ball valve to meet different working condition requirements. Now let’s take a detailed look at how to convert a manual ball…