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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

General Specification Requirements For Valve Setup

Suitable for the setting of gate valve, globe valve, ball valve, butterfly valve and pressure reducing valve in petrochemical equipment. Check valve, safety valve, regulating valve, trap set see the relevant regulations. Not suitable for the setting of valves on undergro... Read More

Why Use The Bellows Sealing Globe Valve For Heat Transfer Oil?

Heat transfer oil is a kind of special oil with good thermal stability used for indirect heat transfer. Heat conduction oil can not only meet the heating and cooling process requirements of different temperatures in a wider range of temperatures, but also realize the pro... Read More

Why Are Air Release Valve Installed And Set In Water Supply Lines?

The air release valve is a necessary equipment for the rapid removal of gas in the pipeline, which is used to improve the efficiency of the water conveying equipment and protect the pipeline from deformation and rupture. It is installed at the outlet of the pump port or ... Read More

How To Solve The Water Hammer Problem?

What is water hammer? Water hammer is in a sudden power failure or in the valve closed too fast, due to the inertia of the pressure water flow, the flow shock wave is generated, just like a hammer, so called water hammer. The back-and-forth force of the water shock wave,... Read More
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