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21Feb 2022

Evolution of Pneumatic Ball Valves

Pneumatic ball valve is evolved from globe valve. It has the same 90-degree rotating lift action, except that the cock body is a sphere with a circular through hole or channel passing through its axis
18Feb 2022

About Pneumatic Control Valves

In the pneumatic control valve technology, the air filter, the control valve and the lubricator are assembled together as three air source treatment elements, which are called pneumatic triples, which
16Feb 2022

Pneumatic Actuator Performance Index

1. The rated output force or torque of the pneumatic device shall comply with the provisions of GB/T12222 and GB/T12223 2. In the case of no-load, input the specified air pressure into the cylinder, a
15Feb 2022

Pneumatic actuator maintenance method

Pneumatic actuator is an actuator that relies on air source to drive the valve to open and close. Its actuator and drive mechanism are integral, so the structure is simple and the volume is small. It
13Feb 2022

The reason why the pneumatic butterfly valve cannot be opened and closed tightly

Pneumatic butterfly valve is composed of pneumatic actuator and butterfly valve. Pneumatic butterfly valve is a pneumatic valve that uses the circular butterfly plate that rotates with the valve stem
11Feb 2022

The operating temperature and pressure resistance of vacuum ball valve and bu...

From the point of view of operating temperature, due to the sealing material and structure, the ball valve is not suitable for the steam medium, while the butterfly valve can be used for the conventio
09Feb 2022

Operating conditions and media of vacuum butterfly valve and gate valve

Vacuum butterfly valve is suitable for environmental protection of producer, coal gas, natural gas, liquefied petroleum gas, city gas, hot and cold air, chemical training and power generation. It is u
07Feb 2022

Technical requirements for vacuum ball valve assembly

1. The installation workshop must be kept clean, or a temporary clean area should be built, such as using newly purchased color stripes or plastic films, to prevent dust from entering during the insta
05Feb 2022

Correct use of vacuum butterfly valve

1. When the vacuum butterfly valve is used, it is only fully open or fully closed, and it is not allowed to be used for conditioning and saving, so as to avoid erosion of the sealing surface and accel
03Feb 2022

How to install the vacuum ball valve more reasonably

1) Remove the maintenance covers at both ends of the flange end, and flush and clean with the valve open. 2) Before the installation, the whole machine should be tested according to the regular signal
01Feb 2022

stainless steel ball valve installation requirements

1) The assembled stainless steel ball valve is purged with nitrogen for at least 1 minute; 2) The air tightness test is performed with pure nitrogen; 3) Encapsulate after passing the air tightness tes
31Jan 2022

Steps and processes of vacuum ball valve degreasing

1) According to the processing requirements, some parts need to be polished, and the surface must not have processing burrs, etc.; 2) All parts are degreased; 3) The stainless steel ball valve is pick

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Knowledge

Evolution of Pneumatic Ball Valves

About Pneumatic Control Valves

Pneumatic Actuator Performance Index

Pneumatic actuator maintenance method

The reason why the pneumatic butterfly valve cannot be opened and closed tightly

The operating temperature and pressure resistance of vacuum ball valve and bu...

Operating conditions and media of vacuum butterfly valve and gate valve

Technical requirements for vacuum ball valve assembly

Correct use of vacuum butterfly valve

How to install the vacuum ball valve more reasonably

stainless steel ball valve installation requirements

Steps and processes of vacuum ball valve degreasing