With the development of industrial automation, the trend of automatic valve is stronger and stronger. Many industries have begun to replace manual valves with automatic ones to increase industrial efficiency. So, the original manual valve can be refitted into an automatic valve? In this article, we will share our experience in converting a manual valve into a pneumatic actuator valve.
Types Of Pneumatic Actuator Valves
According to the movement mode, there are two kinds, one is rotary operation, the other is up and down operation; according to the structure of the cylinder, there are two kinds, one is piston type, the other is film type, the Piston type has large stroke, large driving force and low precision, suitable for switch or cut-off use, film-type travel small, small driving force, high precision, suitable for regulation.
Pneumatic actuator valves can be made into normally open / normally closed two, can be cut off or put on use.
Experience Of Changing Manual Valve Into Pneumatic Actuator Valve
In recent years, with the rapid development of industry, the use of valves has increased dramatically. Some pipeline valve design units did not take the installation position or operation frequency into account when they made their plans, and they chose manual valves, which led to great inconvenience in field use, some causes can not be directly removed valve replacement, in order to solve the user of this problem, some manual valve can be replaced by pneumatic valve.
Here Are 7 Important Parameters To Implement:
1. On-site air pressure
2. Whether explosion-proof (explosion-proof grade) is required on site
3. Operating mode (gas opening / gas closing)
4. Whether a spring return is required
5. Whether or not a manual mechanism is required
6. Valve operating frequency
7.Instructions for modification
The important step of changing manual valve into pneumatic valve is the design and mapping work, to consider the actual use of the user to select a matching actuator (on-site air pressure to implement) , mapping the site installation space size (to take into account the installation of the annex space) , mapping the size of the connection bracket (hand-copied records) , feedback factory processing connectors and other accessories, pneumatic actuators need to contact the external factory to provide customized dimensions, use pneumatic actuators with ISO 5211 mounting standard.
Installation Notes
In the course of installation, attention should be paid to the actuator. After checking the on-site ventilation operation switch, it can be installed and used only if there is no abnormality. After finding the abnormality, the problem should be eliminated. If the site does not have the conditions, it should be fed back to the factory immediately. After the installation and connection is completed, response gas source operation test, set the switch schedule.
Post time: Nov-25-2021