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Six Reasons Of Valve Sealing Surface Damage

Because the seal plays the role of cutting off and connecting, adjusting and distributing, separating and mixing the medium on the valve channel, the sealing surface is often corroded, eroded and worn by the medium, which is very easy to damage. The causes of sealing surface damage are man-made d... Read More

Valve Closed Loosely, What Is The Reason? How To Deal With It?

Valve in the use of the process often appear some troubling problems, such as the valve is not tight, close not tight, then how to do? Under normal circumstances, if it is not tightly closed, first confirm whether the valve is closed in place, if it has been closed in pl... Read More

Pneumatic Valve Accessories Type And Selection

In the use of pneumatic valves, it is usually necessary to configure some auxiliary parts to improve the performance of pneumatic valves, or improve the use efficiency of pneumatic valves. Common pneumatic valve accessories include: air filter, reversing solenoid valve, ... Read More

Valve Pipeline Installation Construction Operation Scheme

(1)Direction and position Many valves have directional, such as globe valves, throttle valves, reducing valves, check valves, etc., if inverted, it will affect the use effect and life (such as throttle valves), or do not work at all (such as reducing valves), and even ca... Read More

What Are The Factors Affecting The Sealing Performance Of Low Temperature Ball Valve?

In addition to the design of the sealing structure, there are many other factors affecting the sealing performance of low temperature ball valve, such as the material of the seal pair, the quality of the seal pair, the specific pressure of the seal and the physical prope... Read More

Nine Mistakes in Valve Installation

1. Bolts are too long Valve bolts, only one or two threads over the nut. Reduces the risk of damage or corrosion. Why buy a bolt longer than you need? Often, the bolts are too long because someone doesn't have time to calculate the correct length, or the individual simpl... Read More

Safe Operation Of Valves And Centrifugal Pumps

The pump is the core device of the fluid industry. It acts like the heart of the human body, providing power for the fluid in each device in the system and ensuring the normal operation of the process. Commonly used pumps are classified into vane pumps, positive displace... Read More

The Harm And Protection Of Abnormal Pressure Rise Of Gate Valve

The gate valve usually has the structure design of single gate, double gate, wedge, parallel and so on. Among them, wedge double gate and wedge elastic gate are the most widely used. When the former is closed, the gate automatically coincides with both sides of the valve... Read More

Why Should The Globe Valve Enter From Low And Exit From High?

The globe valve,belongs to the forced sealing valve, which is a kind of cut-off valve. According to the connection mode is divided into three kinds: flange connection, thread connection, welding connection. The flow direction of the stop valve is always from top to botto... Read More

Seven Factors Affecting The Selection Of Petrochemical Check Valve Types

Factors affecting the selection of check valve type Due to the variety of check valves, it is inevitable to involve the selection of check valves in the pipeline design of petrochemical plants. Whether the selection of check valve type is reasonable not only affects the ... Read More

Common Faults And Preventive Measures Of Gate Valve

The gate valve is the main component of the oil ( gas ) wellhead device. The common faults of several gate valves in use are as follows. 1. Leakage of gate valve and gate valve connection First of all, check whether the gate valve and the gate valve connection bolt are t... Read More

Detailed Method For Proper Operation Of Valves

The valve is a device used to control the direction, pressure and flow of the fluid in the fluid system. It is a device that enables the medium ( liquid, gas, powder ) in the piping and equipment to flow or stop and can control its flow. The valve is an important control... Read More
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