As one of our high precision proportional valves, PV03 series play an important role in ventilator. With a range of flow paths from 2.3mm to 4.5mm in the spool and a maximum flow rate of 180L/min, allowing for precise flow control over a wide range of flow, making it suitable for high flow control scenarios. This proportional valve controls the gas flow in proportion to the input current, which can be controlled by adjustable DC current or pulse width modulated current (PWM). The proportional valve can be controlled in open or closed loop, with a flow or pressure sensor in the gas path for closed loop control to achieve optimum control.
5VDC, 6VDC, 12VDC, 24VDC are optional
Internal leakage (under rated pressure)
External leakage (under rated pressure)
Maximum inlet pressure
Max. working differential pressure
Max. flow(air) under Max. Operating differential pressure
Wetted part material
FKM, brass, 430FR
-5°C to 55°C
-40°C to 70°C
Large flow, low hysteresis, high repeatability.