Pneumatic valve is a kind of compressed air to drive the operation of the valve actuator, its opening and closing speed is relatively fast, often used for fast two cut off use, can also be used to regulate the flow of use...
The ultraviolet aging test chamber USES the ultraviolet lamp as the lamp source, and simulates the ultraviolet radiation source in the natural sunlightAnd cold doubt...
It is well known that the flow rate and velocity of the valve mainly depends on the size of the valve, but also with the valve structure type of the resistance to the medium...