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SHENZHEN KEYTO FLUID TECHNOLOGY CO., LTD.
SHENZHEN KEYTO FLUID TECHNOLOGY CO., LTD.
  • pv03 series proportional valve 2
  • pv03 series proportional valve 3
  • pv03 series proportional valve 1
  • pv03 series proportional valve 2
  • pv03 series proportional valve 3
  • pv03 series proportional valve 1

PV03 Series Proportional Valve

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.


Specifications Selection Table

Specifications of PV03 Series Proportional Valve

Orifice

2.3mm

4.5mm

Structure

2-way N.C.

Nominal voltage*1

5VDC, 6VDC, 12VDC, 24VDC are optional

Power*1

2.5W, 3.5W

Internal leakage (under rated pressure)

0.2ml/min

5ml/min

5ml/min

External leakage (under rated pressure)

0.2ml/min

0.5ml/min

0.5ml/min

Maximum inlet pressure

0.7 MPa

Max. working differential pressure

0.1MPa

0.3MPa

0.3MPa

Max. flow(air) under Max. Operating differential pressure

18 L/min

120 L/min

180 L/min

Hysteresis

<35%

Wetted part material

FKM, brass, 430FR

Operating temperature

-5°C to 55°C

Storage temperature

-40°C to 70°C


Feature of Proportional Valve PV03

Large flow, low hysteresis, high repeatability.


PV03 Series Proportional Valve

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