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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 -
How to maintain the valve ?
Valves, like other mechanical products, also need maintenance. If this work is done well, it can extend the service life of the valve. The following will introduce the maintenance of the valve. 1. Valve storage and maintenance The purpose of storage and maintenance is no...Read more -
Several Differences Of Valve Flange, Socket Welding And Butt Welding
1.Flat welding, butt welding and socket welding flange Pipe flange welding has the form of flat welding, butt welding and socket welding flange Socket welding generally inserts the pipe into the flange for welding. Butt welding is to butt weld the pipe and butt surface w...Read more -
When The Pump Starts, Should We Close The Outlet Valve Or Not?
In general, start the centrifugal pump, according to the specification should be, first pump chamber filled with medium, close the outlet valve, and then open the pump, the purpose is: on the one hand to prevent the start of the current is too large damage to the motor; ...Read more -
Advantages And Disadvantages Of Soft Seal Gate Valve
Soft seal gate valve, also known as elastic seat gate valve, is a manual valve used to connect pipeline medium and switch in water conservancy project. The structure of the soft sealing gate valve is composed of valve seat, valve cover, gate plate, gland, stem, hand whee...Read more -
Four Reasons Analysis And Treatment Measures Of Ball Valve Leakage
Through the analysis and research on the structure principle of the fixed pipeline ball valve, it is found that the sealing principle is the same, and the ' piston effect ' principle is used, but the sealing structure is different. The problems existing in the applicatio...Read more -
Working Principle And Maintenance Of Ball Valve In City Heating System
This paper describes the valve selection of the heating pipe network system and the advantages, working principle and maintenance of the ball valve, which provides an important reference value for the heat source planning, design, equipment selection, operation and produ...Read more -
The Top Seven Industries That Use Valves
Valve is a widely used equipment that can be found almost anywhere,valves are active in streets, houses, power plants and paper mills, refineries, and various infrastructure and industrial facilities. What are the seven industries in which valves are commonly used and how do they use valves: 1. P...Read more -
Pressure Test Methods For Industrial Valves
In general, the strength test is not carried out when the industrial valve is used, but the strength test should be carried out after the valve body and valve cover are repaired or corroded. For the safety valve, its constant pressure and return pressure and other tests ...Read more
