How Should the Air Compressor Check Valve be Installed?
The check valve, also known as the non-return valve, is mainly used to prevent the backflow of fluids. In the air compressor system, it can effectively prevent the backflow of gas after the compressor stops, protect the equipment from damage,…
Socket Weld vs Butt Weld
Among the pipeline connection methods, socket welding and butt welding are two common connection methods, each with its own characteristics and suitable for different scenarios. What is the Socket Weld? Socket Weld is abbreviated as SW. For socket welding, it…
How to Improve the Service Life of Valve Packing?
How is the service duration of the normal valve packing ? In valve design or usage experience, the packing of rising and falling valves is mostly asbestos packing, graphite packing or polytetrafluoroethylene V-shaped packing. However, these types of packing are…
Technical Parameters of Self-sealing Knife Gate Valve
The knife gate valve controls the flow and cut-off of the medium based on the vertical movement of the gate plate. When the valve needs to be closed, the driving device (manual, electric or pneumatic) drives the valve stem to…
What is A Ball Check Valve?
A ball check valve is a type of non-return valve primarily composed of a valve body, valve disc (rubber-coated ball), a valve seat, and sealing components. I. Structure of the ball check valve. A ball check valve, also known as a spherical one-way valve…
Introduction to the Lug Style Butterfly Valve.
As a common type of valve, the lug style butterfly valve has several remarkable features, which make it widely applied in industrial pipeline systems. What is a lug style butterfly valve? I. Structural characteristics of the lug style butterfly valve…
What is a Jockey Pump Foot Valve?
In a fire protection system, a jockey pump foot valve plays a crucial yet often under-the-radar role. To understand its significance, we need to first look at the context of the jockey pump itself. A jockey pump is an essential…
A Clear Idea of the Pipeline Valve.
In a pipeline system, valves are basic control components. Their main functions are to isolate equipment and the pipeline system, regulate the flow rate, prevent backflow, and regulate and discharge pressure. They can be used to control the flow of…
What is OS&Y Gate Valve and IS&Y?
Gate valves shall be of the OS&Y or IS&Y type. OS&Y stands for Outside Screw and Yoke. When the handwheel of the OS&Y gate valve is rotated to open the valve, the valve stem will rise.Here are some examples of…
A Comprehensive Interpretation of Pressure Reducing Valve.
What is a pressure reducing valve? Do I really need a pressure reducing valve? Pressure reducing valve, its abbreviation is PRV. The pressure reducing valve, also known as a regulator valve, is a device widely used in the industrial field…
Main Differences Between Swing Check Valves and Wafer Check Valves.
In industrial product procurement, both swing check valves and wafer check valves play important roles, but there are significant differences between them. The main differences between swing check valves and wafer check valves are as follows: Structure. Swing check valves:…
Floating Ball Valve vs Trunnion Ball Valve: A Comprehensive Comparison
In the world of industrial valves, the floating ball valve and the trunnion ball valve stand out as two widely-used types. These valves are essential for regulating fluid flow in industries such as oil and gas, chemical processing, and water…
Analysis of the Inch and a Half Ball Valve
A inch and a half ball valve, that is a 1-1/2” ball valve refers to a ball valve with a pipeline diameter of 1and 1/2 inches, which is commonly used in household water pipes and air conditioners systems. I. The…
How to Distinguish the Globe Valve and Gate Valve
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,…
The Maintenance of Silent Check Valves
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…
Introduction of Check Valves via Pictures and Check Valve Diagram
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…
Valve Selection for Corrosive Media
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…
Differences Between Swing Check Valve and Lift Check Valve
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…
Introduction of Three Way Ball Valves
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…
Introduction to Non Slam Check Valve
A non slam check valve is a special type of check valve 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…
The Main Application Scenarios and Materials of Industrial Flange Gate Valves
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…
Factors that Affect the Fully Welded Ball Valve During its Operation
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…
A Comparison of the Advantages and Disadvantages of Butterfly Valves and Gate Valves
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…
The Energy Efficiency Revolution of Energy Efficient Industrial Pneumatic Ball Valves
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…
Why is a Trunnion Ball Valve More Suitable for a Sludge Discharge Pipeline?
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,…
What are the Main Features of the Slab Gate Valve
The gate valve, a valve with switch on off parts, is perpendicular to the flow of the fluid. Generally being completely on and off, it can not used for throttling. The slab gate valve that we are going to talk…
What are Three Eccentricities of Triple Offset Butterfly Valve
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…
Characteristics and Application of Electric Ball Valve
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…
Structural Differences between Diaphragm Valves and Globe Valves
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…
Methods for Troubleshooting of Soft Sealed Gate Valves
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…
The Differences between Nonrising Stem Gate Valves and Rising Stem Gate Valves
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…
Factors to Consider When Converting a Manual Valve into a Pneumatic Valve
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…
Steps for Converting a Manual Gate Valve into a Pneumatic Valve
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…
How to Convert a Manual Ball Valve into a Pneumatic Ball Valve?
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…
Steps for Converting a Manual Butterfly Valve into a Pneumatic Butterfly Valve
Can a manual ordinary butterfly valve be refitted into a pneumatic butterfly valve? The answer is yes. I. Purchase a Pneumatic Actuator To convert a manual ordinary butterfly valve into a pneumatic butterfly valve, a pneumatic actuator needs to be…
What is the Best Valve for Slurry Medium?
In industries such as petroleum, natural gas, chemical engineering, and sewage treatment, slurry is a common fluid medium, which is characterized by high viscosity and large particles. In order to ensure the normal transportation and treatment of slurry, it is…
The Differences between the Center Line and the Eccentric Butterfly Valves.
Center Line Butterfly Valve The center line butterfly valve is also known as the center line soft sealing butterfly valve. Its most prominent structural feature is that the axis of the valve stem, the center of the butterfly disc, and…
Why Does the Ball of a Ball Valve Have a Balance Hole?
A ball valve is a common fluid control valve that is widely used in the industrial field. The ball valve with a balance hole is a special design, which has some unique characteristics and application scenarios. This post will provide…
How to Install and Select Check Valves?
A brief guid to the installation and selection of check valves. About how to install and select check valves, you can refer to the following contents, which can give you a quick understanding and a concise operation reference for the…
Introduction to the Usage, Main Materials, and Structural Features of Wafer Check Valves
A check valve refers to a valve that automatically opens and closes，the valve disc relying on the flow of the medium itself, and is used to prevent the backflow of the medium. It is also known as a non-return valve,…
Working Temperature and Nominal Pressure Ranges of Common Materials for Valve Bodies
The working temperature and nominal pressure ranges of common materials for valve bodies are as follows: The above are the main categories of common materials for valve bodies. Specifically, there are many different grades within each material category, and each…
Exploring the Mysteries of Large Diameter Globe Valves
Are you curious about large diameter globe valves? Today, let’s uncover the mysterious veil of this “guardian” in the industrial pipeline system together! A large diameter globe valve, as the name implies, is a valve used to control the flow…
Classification of Globe Valves
Classification by Channel Direction Straight-through Globe Valve The inlet and outlet channels of the medium are in the same direction, forming an angle of 180°. The degree of destruction of the flow state is relatively small, and the pressure loss…
Advantages, Disadvantages and Installation of Butterfly Valves
Overview of Advantages As a fluid control device, the butterfly valve has numerous advantages due to its unique structure and design. Its main advantages include: Disadvantages and Challenges Although small actuators have significant advantages in providing convenient operation for butterfly…
Exploring the Advanced Technologies and Innovation Trends in the Valve Industry
As a key component in fluid control systems, valves are widely used in various industrial fields. With the continuous development of science and technology, the valve industry is also constantly innovating and progressing. Today, let’s explore the advanced technologies and…
Steps and Principles for Valves Selection
When selecting a valve, certain steps and criteria need to be followed. In terms of the basis for valve selection, factors such as the purpose of the valve, the operating conditions, the control mode, the properties of the working medium,…
Five Essential Valves for Sewage Lift Pumps
In sewage lift pumping stations, the selection of valves is of vital importance. The following are five commonly used types of valves, which play a crucial role in the sewage treatment process:
Guide to Valve Installation and Cleaning
Valves are key components in pipeline systems, responsible for controlling the flow rate and direction of fluids. Today, let’s talk about the installation and cleaning of valves. Installation Requirements: Valve installation needs to comply with relevant regulations to ensure the…
How Many Types of Valves Do You Know: A Reveal of Automatic and Actuated Valves
Valves, an important component in the field of fluid control, have a wide variety of types and extensive applications. They are like the guardians of fluid systems, precisely regulating the flow of various media. So, exactly how many types of…
Case of an Accident Caused by Valve Fracture Resulting in a Major Leakage
Valves are one of the common devices used in both industrial and daily life. Different types of valves have different characteristics and application scenarios. Knowing that about various valve types can help us better select and use valves, improving the…
Comparison of Forming Methods for Ball Valves Valves and Spheres
The ball is the opening and closing part of the ball valve. The ball rotates around the center line of the valve body to open and close the ball valve. The ball valve can cut off, adjust, distribute and change…
Analysis of the Sealing Problem of High Temperature Butterfly Valve
Analysis of the sealing problem of high temperature butterfly valve The sealing performance of valve refers to the ability of valve sealing pair to prevent medium leakage. This is an important technical performance index of the valve. The sealing pair of butterfly…
Analysis of Merits and Drawbacks of Gate Valve Structures
Gate valves are in various structural forms, among which the common ones are wedge-type double gate, parallel single gate, parallel double gate, rigid gate, H-type elastic single gate. What are their merits and drawbacks? The Wedge-type Double Gate Valve Advantaged…
Evolutionary History of Butterfly Valve
Evolutionary History of Butterfly Valve In our daily life and production, pneumatic butterfly valve plays an important role. It is a kind of valve with great function. The appearance of pneumatic flange butterfly valve promotes the efficiency of production to a great extent. It is…
What are the Classification of Pneumatic Ball Valve
Pneumatic ball valve has been widely used in power generation, paper making, petroleum, chemical industry, atomic energy, aviation, rocket and other industries, as well as people’s daily life. Today, let’s share the relevant knowledge of the classification of pneumatic ball…
Sealing Principle of Floating Ball Valve
There are two seat sealing rings in the valve body of the floating ball valve. A sphere is clamped between them. There are through holes in the sphere. The diameter of through holes is equal to the inner diameter of the…
Where are Flanged End Butterfly Valves Usually Used
1. Introduction of flanged end butterfly valve Flanged end butterfly valve is a kind of butterfly valve. It is the same as the wafer butterfly valve, which is another common connection method of butterfly valve, and has a wide range…
Some Tips to Prolong the Service Time of Electric Ball Valve
When the electric ball valves are used, it is expected that they can work stably for a long time. But the use of the equipment has a certain life cycle. As a user, we can take some measures to extend…
How to Deal with the Valve Core of Cast Steel Gate Valve Falling off
As we all know, a gate is the opening and closing part of the cast steel gate valve. The movement direction of the gate is perpendicular to the direction of the fluid. The gate valve can only be fully opened…
Maintenance of Ball Valve
1、Check that the ball valve is in full open position After grease injection, check whether the diameter of the valve ball is flush with the plane of the inner chamber of the valve seat. If there is any difference, adjust…
Manual Electric Soft Seal Butterfly Valve Instruction
Manual / electric soft-sealed butterfly valve is suitable for pipelines whose medium is water, seawater or oil. It is mainly used as a globe valve to cut off the medium to protect the pipeline system. Manual butterfly valve or electric butterfly valve is mainly composed…
Material of Valve
There are nine commonly used materials for valve bodies：
Characteristics Application and Disadvantages of Butterfly Valve
The butterfly valve is popular because of its fast opening and closing speed, self-sealing tendency and light weight. It is widely used in large and medium caliber equipment in medium and low pressure. Especially in recent years, the butterfly valve…
Introduction of Electric Ball Valve
Electric ball valve is a new type of ball valve, which can also be called electric actuated ball valve. It has some unique advantages of its own structure. For example, the switch has no friction, the seal is not easy…
Can the Block Valve and the Gate Valve be Mixed
1.The structure of block valve and gate valve Notes for the type selection in the case of limited installation space The gate valve can rely on the medium tightly pressing on the sealing surface, so as to achieve the nonleakage…
Difficulties and Solutions of Triple Eccentric Butterfly Valve
What are technical difficulties of high-temperature triple-eccentric metal hard-sealing butterfly valve? What are the problems encountered in its design and development? How to solve them? The technical difficulties of high-temperature triple butterfly valve include the following aspects: The solutions mainly…
Installation of Valve
The following valve installation for you to explain the matters needing attention.
Introduction of Manual Ball Valve
Manual ball valve is a new type of ball valve. It has some unique advantages of its own structure. For example, the switch has no friction. It’s sealed and it does not wear easily. The opening and closing moment is…
Sealing principle of double eccentric butterfly valve
Double eccentric butterfly valve is usually called high performance butterfly valve, which is further improved on the basis of single eccentric butterfly valve, and is currently the most widely used butterfly valve. Sealing principle of double eccentric butterfly valve. Since…
Structural Features and Advantages of Electric Butterfly Valve
Electric butterfly valve is suitable for situations requiring flow regulation. The pressure loss of butterfly valve in the pipeline is relatively large, about three times that of gate valve. Therefore, when choosing butterfly valve, The structure length and overall height of butterfly valve…
The Classification and Performance Parameters of Check Valves
A check valve is a valve that has a circular disc as the opening and closing part and blocks the backflow of the medium by its own weight and the pressure of the medium. It belongs to the category of…
Improvement of Ball Valve Sealing
I. Present situation and analysis of ball valve sealing The cast stone ball valve is an ideal opening and closing device in the ash pipeline, and its sealing directly affects the quality and service life of the valve. In the…
Maintenance and Management Technology of Pipeline Ball Valve
1.Maintenance and management during construction. It is very important to manage and maintain the ball valve scientifically in the construction period. In the construction period, the equipment management and scientific maintenance can not only ensure safety, but also greatly reduce…
Knowledge of Flange Forged Steel Ball Valve
1.All valves of flange forged steel ball valve are designed as a whole. There is a mounting flange on the top of the valve body, conforming to the International Organization for Standardization standard ISO5211, for direct installation of actuators, limit…
Types of Ball Valves
Classified by different aspects, there is different types of balll valls. According to the structure: According to the pressure: High pressure ball valve, medium pressure ball valve and low pressure ball valve; According to the type of flow channel: Full…
What is the Difference Between a Butterfly Valve and a Gate Valve
Butterfly valves and gate valves are both common industrial valves, and there are some differences between them in regard of structure and working principles. 1.Different structures between a butterfly valve and a gate valve. A butterfly valve is a valve…
How to Choose the Stem of Cast Steel Gate Valve
1.Features of the cast steel gate valve The cast steel gate valve has low fluid resistance, and the sealing surface is less eroded by the medium, with easy opening and closing. The flow direction of the medium is not restricted,…
Operation Principle, Types and Applications of Manual Flanged Ball Valves.
Manual flanged ball valves are a common type of valve. The following contents described in four aspects may help us have a full understand of manual flanged ball valves. 1.Structure characteristics. 2.Operation principle. Its main feature is manual operation. The…
Relationship between Nominal Pressure and Rated Operating Pressure of Valves
1.What is valve nominal pressure? Valve nominal pressure refers to the pressure level specified by the valve size and design standards. It is one of the important size parameters of the valve and is usually marked as PN. Rated operating…
What is a Check Valve, and Its Applications.
What is a check valve? A check valve, also known as a non-return valve or one-way valve, is an important type of valve in fluid systems. The following is a detailed introduction: 1.Structure In terms of structure, the check valve…
What is a Globe Valve, and Its Applications.
What is a globe valve? A globe valve is a type of valve used in various fluid control systems. Here is a detailed introduction: 1.Structure 2.Working Principle 3.Advantages and disadvantages Globe valves have the following advantages: The disadvantages of globe…
Five Advantages of Stainless Steel Ball Valve Build High Quality Valve
Valves are used differently in many environments, so there are many different types of valves produced in the market. Stainless steel ball valves, as one of the types, have achieved the representative of high quality valves by virtue of four…
What is a Gate Valve, and its Applications.
What is a gate valve? A gate valve is a crucial type of valve in the fluid control field. Here is an introduction to it: 1.Structure Valve body: It is the main part of the gate valve, which is used…
What is the Difference between Ball Valve and Butterfly Valve?
If you have learnt the introductions of ball valves and butterfly valves earlier in our blog, you will have a basic knowledge about them. Now we can take a look at the differences between these two types of valves. The…
What is a Butterfly Valve, and Its Applications.
What is a butterfly valve? A butterfly valve is a type of valve widely used in fluid control systems. Here is a detailed introduction: 1.Structure Disc: The disc is the core component of the butterfly valve, which is usually a…
What is a Ball Valve, and its Applications.
What is a ball valve? A ball valve is a type of ball shutoff valve that is widely used in various industries for fluid control. Here is a detailed introduction: 1.Diagram of a ball valve 2.Working principle 3.Advantages and disadvantages…
Introduction to Trunnion Mounted Ball Valve
Trunnion Mounted Ball Valve is suitable for cutting off or connecting the medium in the pipeline. Using different materials, the forged steel Trunnion Mounted Ball Valve of Topwells can be applied to water, steam, oil, nitric acid, acetic acid, oxidizing…
The Relationship Between Regenerative Turbine Pumps And Valves
The relationship between regenerative turbine pumps and valves is mainly reflected in their interdependence and coordination in industrial applications. The regenerative turbine pump is a high efficiency vacuum pump that accelerates gas molecules out of the vacuum chamber through…
Valve Sourcing: Ball Valve vs Gate Valve
Ball valve and gate valve are two of the most commonly used valves for controlling the flow of fluid in plumbing or gas systems. These valves have similarities in application, but have different strengths to offer. This guide reviews the…
What are the Protective Measures to the Abnormal Pressure Surge of Gate Valves
Among the usual structural designs of single-gate, double-gate, wedge, parallel and so on, the wedge double-gate and the wedge elastic gate are the most widely used ones. The former’s gate automatically coincides with the two sides of the seat, while…
The GB Wedge Gate Valve
Gate valve，for its low fluid resistance, a minor pressure differential, the flow direction maintenance ability, erosion endured sealing surface and flow noninterference, can be applied with a wide range of pressure and temperature. As a common block valve, it is…
Ball Valve Working Principle and Components
How does a ball valve work? A ball valve is a shut-off device that regulates the flow of a liquid or gas using a rotating ball with a hole. By turning the ball a quarter turn (90 degrees) around its…
Double Block Discharge Slab Gate Valve with Diversion Hole
The double cut-off slab gate valve with diversion hole is mainly used to cut off the medium. It is a kind of pipeline valve, which is used in many industries, such as natural gas, oil, etc. Main features of slab…
Double Offset Wave Butterfly Valve
Butterfly valve has been a classic valve for decades. In the 1950s, butterfly valves were considered standard and widely spread around the world. Top Wells VALVE is constantly improving and bringing butterfly valve products to market. These products prove that…
Is the globe valve with low inlet and high outlet openings or high inlet and low outlet openings?
Why is the globe valve designed to be with low inlet and high outlet openings? The purpose is to make the flow resistance small and save effort when opening the valve. At the same time, when the valve is closed,…
What Operating Conditions are Suitable for Pneumatic Steam Ball Valves
Pneumatic steam ball valve is one of the most widely used industrial control instruments, mainly composed of pneumatic actuators and various types of common valves. Compared with electric valves, the actuator is different. Although it is relatively convenient to use…
What are the Structure Types and Advantages of Floating Ball Valve
At present, there are many ball valve structures and specifications in our market, and new products and structures are emerging. The ball valve for sale can be divided into many types according to its main characteristics and applications. The specific…
Features Types and Structures of Gate Valves
First, features of gate valve. A gate valve refers to a valve, of which the switch device (the gate) is in a vertical motion trail along the central path. It is mainly used for cutting off the media in the…