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Bundor - Butterfly, Gate, Check, Ball, Globe Valve Manufacturer, Supplier & Distributor
Difference between electric fluorine lined butterfly valve and electric hard seal butterfly valve
Electric butterfly valve is one of the most commonly used valves in industrial pipelines in recent years,in addition to normal opening and closing, it can also be used to adjust and control the pressure, flow, temperature and other parameters of various w
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Difference between electric hard seal ball valve and electric soft seal ball valve
There are many types of ball valves. The corresponding working conditions are different according to the different structure, connection methods and valve body materials. However, among all types of ball valves, the sealing forms can only be divided into
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The leakage reasons of valve sealing surface
Valve is one of the most widely used control components in the fluid system, which can be used to switch or control the flow direction and regulation. In terms of the simplest cut-off function, the function of the valve seal in the machinery is to prevent
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The function and working principle of check valve
The function of check valve：
The check valve is an automatic opening and closing valve that does not require manpower or other actions,it relies on the flow of the pipeline medium itself to open or close the valve, which is mainly used to prevent the rev
Preservation methods of idle valve to prevent rust and damage
1.Regular maintenance
Valves that have been idle for a long time shall be inspected and maintained regularly to prevent corrosion and damage.For valves that have been idle for a long time, they can only be used after passing the pressure test together wi
Description and classification of valve connection modes
Description and classification of valve connection modes：
Nowadays, the application scope of valves is more and more extensive, and corresponding valves should be used in different environments.The connection between valve and pipeline or equipment is di
Routine maintenance and repair methods of pneumatic valves
Pneumatic valve is a device that operates valve opening and closing through compressed air,it only needs air supply to work,and the switch speed is very fast, which saves human resources and time to a large extent.Not only that, but also remote centralize
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Reasons and treatment methods for valve not being closed tightly
In the process of using the valve, there are often some problems that are puzzling, such as the valve is not tightly closed, what should we do? Under normal circumstances,if the valve is not closed tightly, check to see if the valve is closed in place,if
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The working principle of butterfly valve
Butterfly valve is a valve that opens and closes according to turn the stem while driving the disc rotation,in the cylindrical channel of the butterfly valve body, the disc type butterfly plate rotates around the axis, mainly rotating the disc plate 90° t
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How to determine whether a valve is leaking inside or outside？
During the use of the valve,we often encounter a variety of failures, the leakage of the valve is one of the most common failures, and the leakage of the valve is generally divided into internal leakage and external leakage. So, what is the difference bet
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The installation instructions of pneumatic butterfly valve
Whether the installation of pneumatic butterfly valve is good will affect the efficiency of the equipment.And the maintenance of pneumatic butterfly valve is also related to the performance of the equipment.Improper installation or lack of maintenance wil
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The difference and comparison of bellows globe valve and ordinary globe valve
Bellows globe valve is also called bellows seal globe valve,a metal barrier is formed between the fluid medium and the atmosphere, ensure zero leakage of the stem.Compared with the ordinary globe valve has the following advantages:
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The selection and application of electric globe valve
Once the electric globe valve is in the open state, there is no contact between its seat and disc sealing surface, so its sealing surface mechanical wear is small.Since the seats and discs of most electric globe valves are relatively easy to repair or rep
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The installation and maintenance of electric ball valve
Electric ball valve is used to control the pipeline medium and can achieve the remote control of a valve, it’s an important equipment in industrial automation control system. Electric ball valve and other valves can not be used continually. After storage
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The difference and selection of electric wafer butterfly valve and electric flanged butterfly valve
The electric butterfly valve is one of the most common valves in the pipeline, which is used to realize the on-off of various media in the pipeline system and to adjust the flow. It is widely used in many fields such as petroleum, chemical industry, meta
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The purpose and characteristic of butterfly valve
Butterfly valve can be used to cut off the medium,and can also be used to adjust the flow,it is mostly used in medium low pressure and medium,large diameter valve.The current domestic parameters of butterfly valve are as follows:PN≤PN63;DN50-4800(The maxi
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A brief summary of the advantages and disadvantages of gate valve
What is gate valve? Gate valve is a kind of block valve, used to connect or cut off the medium in the pipeline.The opening and closing parts of the gate valve are driven by the valve stem and move in a straight line along the seat (sealing surface). So wh
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The classification and characteristics of ball valve
The ball driven by the stem and around the axis of the stem to do rotating movement of the valve,known as the ball valve.So what are the classification of ball valves? What are the characteristics of ball valves? Do you know these?
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The purpose and characteristics of globe valve
The valve disc is driven by the stem,along the axis of the sealing surface of the seat to do lifting movement and achieve the purpose of opening and closing the valve,known as the globe valve. So what is the purpose and characteristics of globe valve? Bun
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Principle of Knife gate valve
Introduction of Knife gate valve principle
The knife gate valve mainly includes three parts, which are the control handwheel of the knife gate valve, the valve body, and the internal control device. W
There are several connect types for the valve
As a valve buyer, you should often be asked whether you want a wafer type or a flange type, and so on. These questions about valve connection types, so do you know how many connection types ?
1. Flang
Commonly used valves in petrochemical industry
In petrochemical plants, valves are an important part of petrochemical pipeline systems. In petrochemical pipelines, most of the medium that in contact with the valve is inflammable, explosive, toxic
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Difference between wafer butterfly valve and grooved butterfly valve
What is the difference between wafer butterfly valve and grooved butterfly valve? Bundor Valves introduce to you.
There are many classifications of wafer butterfly valves, and their uses are also v
The difference between fire pipeline gate valve and butterfly valve
In the fire pipeline, gate valve and butterfly valve are two commonly used valves, so what is the difference between these two valves?
1. Butterfly valves are basically installed on the outlet of the
How to connect wafer butterfly valve ?
How to connect wafer butterfly valve ?
There is no flange on wafer butterfly valve. When you install valve, clamp the valve between two flanges of the pipeline, then use bolts to fix the flanges. Waf
