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Industry News

The Selection and Maintenance of Chemical System Valves

Posted: 09/26/2022 11:11:32
Hits: 8

Characteristics of the valve As a pipeline device, valves have three characteristics: service characteristics, structural characteristics and driving characteristics. Usage characteristics:...

Delayed Opening Action of Pneumatic Butterfly Valves

Posted: 08/27/2022 20:40:07
Hits: 43

In a nuclear power plant, the pneumatic butterfly valve fails to open many times during the operation of the unit (the operation specification requires the opening time of the valve to be ≤120 s)....

LNG Cryogenic Butterfly Valves

Posted: 08/26/2022 19:08:08
Hits: 9

Liquefied natural gas (LNG) receiving station is an important part of China's LNG storage and transportation equipment system, and the cryogenic butterfly valve is the key equipment to ensure the...

Why We Set Valve in This Way?

Posted: 07/31/2022 21:54:41
Hits: 18

This regulation applies to the setting of gate valves, globe valves, ball valves, butterfly valves and pressure-reducing valves in petrochemical plants. Check valves, safety valves, regulating valves...

Application of Small Electric Ball Valves

Posted: 07/31/2022 19:41:06
Hits: 15

With the rapid development of the offshore oil industry and the continuous expansion of oil reservoirs, unmanned platforms will be widely used in the Bohai Rim region. The overall size of such platforms...

Seal Leakage of Ball Valves Stem

Posted: 07/30/2022 23:25:22
Hits: 78

As a pressure pipeline component, the pipeline ball valve bears not only the pressure of the medium but also the pressure caused by its uncertain factors, such as the bending load caused by unbalanced...

Medium Flow in High-Temperature Wear-resistant Ball Valves

Posted: 07/29/2022 15:38:43
Hits: 15

The ball valve is widely used in various energy transmission systems as a regulating component to control the flow rate and make and break the pipeline system. When the ball valve is applied to the harsh...

Inspection of Pipe Fittings for Oil and Gas Transportation

Posted: 06/30/2022 23:15:58
Hits: 37

Pipe fittings, as the parts that play the roles of direction change, connection, diversion, sealing, control and support in pipeline system engineering, play an important role in pipeline engineering...

Valves with Coal Water Slurry Gasification Device

Posted: 06/30/2022 23:03:05
Hits: 17

Coal water slurry gasification technology is one of the most advanced entrained-flow coal gasification technologies in the world, which will provide key technologies for the development of coal liquefaction,...

Commonly Used Terms of Valves (II)

Posted: 06/30/2022 21:10:53
Hits: 4

51. The absolute error It refers that the absolute error measurement results minus the measured (agreed) true value. 52. Relative error The absolute error is divided by the measured...

Commonly Used Terms of Valves (Part One)

Posted: 06/30/2022 21:06:30
Hits: 8

The instrument is responsible for the measurement, monitoring and control of the whole factory, and tells us the operation of each device all the time. The instrument and control post guarantee the normal...

Structure and Parts of Valves

Posted: 06/30/2022 12:38:27
Hits: 10

1. Structural length It refers to the distance between the inlet and outlet end faces of the valve, or the distance from the inlet end face to the outlet axis. 2. Structure length of straight-through...

Basic Technical Terms of Valves

Posted: 06/30/2022 12:32:45
Hits: 7

The valve is a pipeline accessory used to open and close the pipeline. It controls the flow direction, and adjusts the parameters (temperature, pressure and flow) of the conveying medium. Do you know...

Valve Stem Seal Leakage of Ball Valves

Posted: 05/31/2022 23:45:58
Hits: 76

As a pressure pipeline component, the pipeline ball valve bears not only the pressure of medium, but also the pressure caused by its uncertain factors, such as the bending load caused by unbalanced ground...

Fault Detection Technology of Valves

Posted: 05/31/2022 21:06:18
Hits: 35

Valve is a common equipment in industrial manufacturing, which is mainly used to control the flow and cutoff of the medium. Affected by the environment, medium impact, corrosion, high-temperature creep...

Nodular Cast Iron Pipe Fittings

Posted: 05/20/2022 17:45:32
Hits: 12

The nodular cast iron pipe fittings include tees, elbows, couplings (such as socket types), etc. Their interfaces include socket, flange, etc. Nominal caliber ranges from DN80 to DN3000, and there are...

Packing Leakage of Control Valves

Posted: 04/28/2022 15:03:34
Hits: 77

The control valve is one of the terminal control components of the automatic control system. As there are many high-temperature and high-pressure working conditions in chemical plants, some media are...

What Is A Labyrinth Seal?

Posted: 04/18/2022 21:15:55
Hits: 78

In a labyrinth, a number of circular sealing teeth are arranged around the rotating shaft in sequence, and a series of intercepting gaps and expansion cavities are formed between the teeth. When the sealed...

Solutions to Valves Cavitation, Blockage and Noise

Posted: 03/31/2022 22:46:43
Hits: 23

Production process automation is an important means to ensure efficiency and quality in large-scale industrial production. In the automation of the production process, the regulating valves used to control...

Types and Functions of Steam Turbine Valves

Posted: 03/31/2022 22:45:02
Hits: 472

1. Types of turbine valve control As the prime mover of large-scale high-speed operation of steam turbines, it is one of the main equipment in thermal power plants today. It is used to drag the generator...

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