Proportional throttle valves QPG-16/25/32/40/50 Series

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Dofluid Proportional throttle valves QPG-16/25/32/40/50 Series

Function Series QPG-16/50 Cartridge Proportional Valves with external valve amplifier DIN 24 342, ISO/DIS 7368 Pilot operated 2/2 directional control cartridge valve. Direction of flow: A → B or B → A can be selected as desired, whilst the following must be taken into consideration: - Always route "Y" externally - Pressure at "X" must be the same or higher than "A" when A → B, and not below 12 bar - Pressure at "X" must be the same or higher than "B" when B → A, and not below 20 bar. If the valve is shut off electrically and "X" is supplied externally with suffi-cient pressure, the main stage A → B may be used as a poppet valve.
Models
Symbol QPG Qnom. (p=5 bar) [l/min] Pmax. [bar] Control oil X T V/VA max. [Kg] Models 16 25 32 40 50 125 210 320 500 980 A,B,X: 350 Y:100 ext ext ext ext ext ext ext ext ext ext 24 V= 40 VA max UE 0 ... +10 V 2.8 3.9 5.1 7.1 9.7 QPG-16-125 QPG-25-210 QPG-32-320 QPG-40-500 QPG-50-980 QPG-16/50 see Page 37&40   0.2 0.25 QPG-076 QPG-074 Plug connector of solenoid DIN 43 650 (see page 44) 0.03 QPE-A Plug connector of solenoid LVDT-DC/DC (see page 44) 0.01 QPE-B