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Industry News

Structure and Parts of Valves

Posted: 06/30/2022 12:38:27
Hits: 19

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: 152

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: 56

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: 14

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: 101

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: 254

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: 26

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: 797

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...

Explanation of Valve Performance and Other Terms

Posted: 03/31/2022 21:44:03
Hits: 13

1. Main performance parameters: It indicates the main parameters of the valve, such as nominal pressure, nominal opening and closing, and working temperature. 2. Nominal pressure: It is a pressure-related...

Valve Fault Detection

Posted: 03/17/2022 14:41:32
Hits: 29

The valve is a piece of common equipment in industrial manufacturing, which is mainly used to control the flow and cut-off of the medium. Valves are subject to environmental, medium impact, corrosion,...

Valve Strength and Seismic Inspection

Posted: 02/28/2022 23:14:18
Hits: 115

Valve is an important fluid control device in the industry, involving all walks of life, especially petroleum and petrochemical, liquid transportation and other industries. The emergence of CAD parameterization...

Market Prospect of Plastic Valves

Posted: 02/28/2022 21:33:10
Hits: 25

Overview of Domestic Valve Market As a key component of pipeline fluid control, plastic valves are widely used in the natural gas pipeline, heat pump heating and refrigeration pipeline system,...

Forced Sealing Valves

Posted: 01/31/2022 22:50:56
Hits: 30

The forced valve, also known as double-close double-section and relief function valve, was first used in airport oil depot, mainly used in the metering system, metering calibration system, multi-branch...

Advantages and Disadvantages of O-rings

Posted: 12/29/2021 18:35:08
Hits: 638

Overview of O-rings 1. Definition O-rings are rubber sealing rings with a circular cross-section. Because their cross-section is O-shaped, they are called O-form sealing rings, also known as O-rings....

Terms of Valve Structure and Parts

Posted: 12/28/2021 18:38:29
Hits: 26

Valve terminology for its structure and parts is also important in daily operation and maintenance. Valve Structure Terms 1. The structure length (face-to-face dimension, face-to-center dimension) ...

Technical Terms of Valves

Posted: 12/27/2021 19:21:09
Hits: 46

Valves are pipeline accessories used to open and close pipelines; control flow direction; adjust and control parameters (temperature, pressure and flow) of conveying medium. Valve terminology is important...

Analyses of the Control Valves Noise

Posted: 12/10/2021 18:31:45
Hits: 63

1. Aerodynamic noise Aerodynamic noise is caused by gas or steam flowing through the orifice. The noise of control valves encountered in the industry is mostly aerodynamic noise. Gas and steam are all...

Several Forms of Valve Failure

Posted: 11/30/2021 22:15:26
Hits: 71

Since the reform and opening up, the valve industry has developed rapidly and made great progress in manufacturing capacity and complete sets of technologies. As an integral part of the pipeline system,...

Installation Regulations of Pipeline Valves

Posted: 11/23/2021 18:08:53
Hits: 43

1. During installation, pay attention that the direction of the medium flow should be consistent with the direction of the arrow on the valve body. 2. Check valves should be installed after the...

Valves (929)

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