part number:	PV22-40
connection thread:	G1/4
connection:	G1/4
flow rate air [Nl/min]:	0...345
flow rate water [l/min]:	0...5,4
Kv [m³/h]:	0,32
nominal size:	4,0
operating pressure max. [bar]:	2

2-way proportional flow valve controls the volume flow of
maximum 1185 l/min for air in proportion to the input signal
of 0 to 10 V or 0/4 to 20 mA. The proportional valve and the
electronic control unit are ordered separately.

Product_selection:
To achieve the best linear flow characteristics, it is advisable
not to reduce the flow too much and to have enough pressure drop
at the valve for good control.
Reference_value: ∆p at the valve > 30% of the total pressure drop.

Installation_hint:
The nominal width of the orifice following the proportional valve
should not be smaller than the nominal width of the valve.
A constriction of the cross-section after the valve should be
categorically avoided!

Design:
2-way proportional flow valve, normally closed during absence of
current, with additional control module PVY in cable plug or
- PVX in housing for DIN rail mounting
- PV1, PV2 and PV3 are directly acting solenoid control valves
- PV40, PV50 and PV60 are servo-assisted solenoid control valves

Mounting_position: any, but preferably with coil upright
Protection_class: IP 65 with coupling socket, IP 40 for DIN rail version

Temperature_range:
-10 °C to 90 °C / 14 °F to 194 °F for medium
-10 °C to 55 °C / 14 °F to 131 °F for electronics

Body: brass
Inner_valve: brass and stainless steel
Elastomer: FKM
Control_housing: plastic

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