Pneumatic flange hard seal butterfly valve
(1) The accessories of pneumatic butterfly valve mainly include: positioner, converter, relay, booster valve, position valve, pressure reducing valve, filter, lubricator, travel switch, position indicator, solenoid valve, Handwheel mechanism.
(2) The accessories play a supplementary function and ensure the operation of the valve. What is necessary is increased, and what is unnecessary is not increased. Adding accessories when unnecessary will increase the price and reduce reliability.
(3) The main function of the positioner is to increase the output force and speed of action. When these functions are not needed, they can be omitted. It is not necessary to bring the positioner.
(4) For fast response systems, do not require fast valve action, and an optional converter.
(5) Strict explosion-proof occasions, optional: electrical converter + pneumatic positioner.
(6) The solenoid valve should be a reliable product to prevent it from not moving when it is required to operate.
(7) It is recommended not to use the handwheel mechanism on important occasions to prevent human error.
(8) It is best to be provided by the manufacturer and the assembly is supplied on the valve to ensure the reliability of the connection between the system and the assembly.
(9) When ordering, the name, model, specification, input signal, output signal, etc. of the accessories should be provided.
(10) To reiterate: Please pay attention to the importance of these "small things", especially reliability.
