R650

Signal-operated regulator designed to provide outlet pressure
which is the sum of the input signal pressure plus a preset bias.
As an option, the relay can start with bias range -0.3 bar / -4 psi.
The relay can also be used as a differential pressure regulator.


Media: compressed air or non-corrosive gases

Supply pressure: max. 17 bar

Pilot pressure: max. 10 bar, pilot port G1/4
Ratio: 1:1
Accuracy: response sensitivity < 1 mbar

Air consumption: without constant bleed

Relieving function: relieving, tapped exhaust standard G1/8

Relief capacity: 110 l/min at 1.5 bar outlet and 0.35 bar overpressure above setpoint

Gauge port: G1/4 on both sides of the body, screw plugs supplied
Mounting position: any

Temperature range:
0 °C to 90 °C / 32 °F to 194 °F,
for appropriately conditioned compressed air down to -40 °C / -40 °F

Body: aluminium die-cast
Elastomer: NBR/Buna-N
Inner valve: brass