EDWERD SMALL OIL SEALED PUMPS

RV3 RV5 RV8 RV12
Displacement
50 Hz 3.7 m3h‑1 5.8 m3h‑1 9.7 m3h‑1 14.2 m3h‑1
2.2 ft3min‑1 3.4 ft3min‑1 5.7 ft3min‑1 8.4 ft3min‑1
60 Hz 4.5 m3h‑1 7.0 m3h‑1 11.7 m3h‑1 17 m3h‑1
2.6 ft3min‑1 4.1 ft3min‑1 6.9 ft3min‑1 10 ft3min‑1
Speed (Pneurop 6602)
50 Hz 3.3 m3h‑1 5.1 m3h‑1 8.5 m3h‑1 12 m3h‑1
2.0 ft3min‑1 3.0 ft3min‑1 5.0 ft3min‑1 7.1 ft3min‑1
60 Hz 3.9 m3h‑1 6.2 m3h‑1 10 m3h‑1 14.2 m3h‑1
2.3 ft3min‑1 3.7 ft3min‑1 5.9 ft3min‑1 8.4 ft3min‑1 

Technical Data
Units RV3 RV5 RV8 RV12
Displacement
50 Hz m3h‑1/ft3min‑1 3.7/2.2 5.8/3.4 9.7/5.7 14.2/8.4
60 Hz m3h‑1/ft3min‑1 4.5/2.6 7.0/4.1 11.7/6.9 17/10
Speed (Pneurop 6602)
50 Hz m3h‑1/ft3min‑1 3.3/2 5.1/3.0 8.5/5 12/7.1
60 Hz m3h‑1/ft3min‑1 3.9/2.3 6.2/3.7 10/5.9 14.2/8.4
Ultimate pressure mbar/Torr 2.0 x 10‑3/1.5 x 10‑3
Ultimate pressure GB I mbar/Torr 3.0 x 10‑2/2.3 x 10‑2
Ultimate pressure GB II mbar/Torr 1.2 x 10‑1/
9.1 x 10‑2
1.0 x 10‑1/
7.5 x 10‑2 6 x 10‑2/4.6 x 10‑2
Ultimate Pressure with Fomblin® mbar/Torr 2 x 10‑2/1.5 x 10‑2
Max inlet pressure for water vapour mbar/Torr 80/60 50/38 38/28.5 32/24
Max water vapour pumping rate – GB I gh‑1 60
Max water vapour pumping rate – GB II gh‑1 220
Max allowed outlet pressure bar gauge/psig 0.2/2.8
Max allowed inlet and gas ballast pressure bar gauge/psig 0.5/7
Motor power 50/60 Hz W 450/550
Power connector 1‑ph IEC EN60320 C13
Nominal rotation speed 50/60 Hz rpm 1500/1800
Weight (without oil) kg/lb 25/55 28/61.6 29/63.8
Oil capacity min/max litres 0.42/0.7 0.4/0.75 0.65/1
Recommended oil Ultragrade 19
Inlet flange NW25
Exhaust flange NW25
Noise level dB(A) 48 @ 50 Hz
Operating temperature range ˚C 12‑40