| Flow Control Valve
Bypass Flow Control, Adjustable Orifice
QNV12-20 = Throttle =
A screw-in, cartridge-style, variable orifice, hydraulic flow restrictor valve.
The QNV12-20 increases its orifice value from fully-closed to fully-open with counterclockwise adjustment rotation
|Proof Pressure (bar)||Flow||Internal Leakage
|User Temperature(0C)||Operation Voltage|
|240||350||129 lpm/34 gpm||0.15 cc/min
(First remove inside air)
|-400~ 120||± 15% voltage|
．100% full inspection for all products.
．Standard product life tested for million cycles.
．1000-hour salt-spray anti-corrosion protection tested.
．Raw material, oil, electroplating, etc. in manufacturing process with RoHS compliance.
．All coils tested by third party notarization inspection & CE certified.
．Heat Treatment on spool, poppet, cage for long life and low leakage.
．Coil rated for continuous duty
．Customized coil voltages and terminations
．Linear is customized.
．Cartridges are customized.
．Manual override option.
．Multi industrial applications.
．Coil mold design with sufficient demands.
Operating Pressure: 240 bar (3500 psi)
Proof Pressure: 350 bar (5075 psi)
Flow: 129 lpm (34 gpm)
Internal Leakage: 0.15 cc/minute
User Temperature: -40° to 120°C (-40° to 248°F) with Buna seals;
User Temperature: -26° to 204°C (-15° to 400°F) with Fluorocarbon seals
Filtration: With S: 100 mesh (149 micron)
Operation Voltage: ±15% voltage
Cavity: Q12-2; See page Q12-2