R208

Description:
The volume booster amplifies the volume at a 1 to 1 ratio of pilot pressure to outlet pressure.
The pilot pressure has no constant bleed and shows the same
function as a spring in a common regulator. Generating counter
pressure on the diaphragm.

Media: compressed air or non-corrosive gases

Supply_pressure: max. 17 bar

Pilot_port: G1/4

Accuracy:
at supply pressure variation of 7 bar = < 7 mbar pressure deviation

Transmission_error:
1% from 1 to 1 to 1 to 3 ratio, 2% at greater or inverse transmission

Response_sensitivity:
1 mbar at 1 to 1, 2 mbar at 1 to 2,
3 mbar at 1 to 3 and at inverse transmission

Air_consumption: max. 3 l/min, subject to outlet pressure
Relieving_function: relieving
Relief_capacity: 310 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 80 °C / 32 °F to 176 °F, NBR,
for appropriately conditioned compr. air down to -40 °C / -40 °F
0 °C to 90 °C / 32 °F to 194 °F, FKM,
for appropriately conditioned compr. air down to -40 °C / -40 °F

Body: aluminium die-cast
Elastomer: NBR/Buna-N, optionally FKM
Inner_valve: brass and zinc-plated steel

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