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RUVAC WS/WSU Roots Vacuum Pumps with Air-Cooled Canned Motors

Advantages to the UserTypical ApplicationsSupplied Equipment
- Two series, each with four models
- Highly leak-tight air-cooled pumps driven by a air-cooled canned motor
- Lubricated with mineral oil.
RUVAC WS/WSU PFPE with perfluoropolyether (PFPE)
- WS and WS PFPE pumps are identical except for the lubricant and the shipping package
- No thermal problems due to the speed independent cooling arrangement using a separately connected fan, thus no thermal problems at low speeds
- Over-temperature switch in the stator coil of the motor
- All elastomer seals made of FPM/Viton
- Integrated pressure equalization line with differential pressure valve prevents overloading on WSU model
- RUVAC WS 251 to 2001 for use with a frequency inverter for a wide frequency range
- No shaft feedthrough to the atmosphere, thus particularly leaktight
- Pumping direction may be changed as required		 - For applications which require a high pumping speed at pressures between 10-2 and 10-4 mbar (0.75 x 10-2 and 0.75 x 10-4 Torr)
- Used where the possibility of contamination due air ingress or pumped media leakage must be avoided
- Suction or pumping of high-purity or radioactive gases
- Is used in clean rooms were the air must not be recirculated by the motor‘s fan 		- The required oil or PFPE filling is included in separate bottle
- If no other type of oil is stated, then mineral oil N 62 is used as standard
- Purged with nitrogen for corrosion protection
- Gasket in the intake flange with integrated dirt sieve
Technical DataWS/WSU 251WS/WSU(H) 501
50 Hz60 Hz50 Hz60 Hz
Nominal pumping speed m3/h(cfm)
Max. pumping speed m3/h(cfm)
with backing pump TRIVAC
SOGEVAC
Ultimate partial pressure mbar (Torr)
Ultimate total pressure mbar (Torr)
Permissible cut-in pressure
RUVAC WS mbar (Torr)
Max. permissible pressure difference
during cont. operation mbar (Torr)
Main supply
Δ / Y V
Δ / Y V
Thermal class
Motor power, 50/60 Hz kW (hp)
Nominal speed, approx. (50/60 Hz) rpm
Max. permissible speed rpm
Type of protection IP
Oil filling for the bearing chamber
PFPE
vertical pumping action, approx.
l (qt)
horizontal pumping action, approx.
l (qt)
other oils
vertical pumping action, approx.
l (qt)
horizontal pumping action, approx.
l (qt)
Connection flanges DN
Weight WS/WSU kg (lbs)
Noise level 6) dB(A)		 253 (149)
210 (123.7)
D 65 B
–
< 2 x 10-5 (< 1.5 x 10-5)
< 8 x 10-4 (< 6 x 10-4)

90 (67.5)

80 (60.0)

200 / –
230 / 400
F
1.1 (1.5) / 1.4 (1.9)
3000/3600
6000
20
1. Filling / 2. Filling


0.6 (0.63) / 0.55 (0.58)

0.5 (0.53) / 0.45 (0.48)


0.65 (0.69) / 0.6 (0.63)

0.5 (0.53) / 0.45 (0.48)
63 ISO-K
90/95 (198.5/209.5)
< 63
304 (179)
251 (148)
D 65 B
–
< 2 x 10-5 (< 1.5 x 10-5)
< 8 x 10-4 (< 6 x 10-4)

60 (45.0)

80 (60.0)

200-208 / –
265 / 460
F
1.1 (1.5) / 1.4 (1.9)
3000/3600
6000
20
1. Filling / 2. Filling


0.6 (0.63) / 0.55 (0.58)

0.5 (0.53) / 0.45 (0.48)


0.65 (0.69) / 0.6 (0.63)

0.5 (0.53) / 0.45 (0.48)
63 ISO-K
90/95 (198.5/209.5)
< 63 		505 (297.4)
410 (241)
–
SV 200
< 8 x 10-3 (< 6 x 10-3)
< 4 x 10-2 (< 3 x 10-2)

100 (75.0)

80 (60.0)

200 / –
208-265 / 460
F
2.2 (3.0) / 2.4 (3.3)
3000/3600
6000
20
1. Filling / 2. Filling


0.85 (0.9) / 0.75 (0.79)

0.75 (0.79) / 0.7 (0.74)


0.9 (0.95) / 0.8 (0.85)

0.75 (0.79) / 0.7 (0.74)
63 ISO-K
130/135 (286.7/297.7)
< 63 		606 (357)
530 (312)
–
SV 200
< 8 x 10-3 (< 6 x 10-3)
< 4 x 10-2 (< 3 x 10-2)

80 (60.0)

80 (60.0)

200-208 / –
265 / 460
F
2.2 (3.0) / 2.4 (3.3)
3000/3600
6000
20
1. Filling / 2. Filling


0.85 (0.9) / 0.75 (0.79)

0.75 (0.79) / 0.7 (0.74)


0.9 (0.95) / 0.8 (0.85)

0.75 (0.79) / 0.7 (0.74)
63 ISO-K
130/135 (286.7/297.7)
< 63
Technical DataRUVAC WS/WSU (H)RUVAC
10012001WS FC 2001
50 Hz60 Hz50 Hz60 Hzuntil 100 Hz
ANDEROLPFPE
Nominal pumping speed m3/h(cfm)
Max. pumping speed m3/h(cfm)
with backing pump SOGEVAC
SCREWLINE
Ultimate partial pressure mbar
(Torr)
Ultimate total pressure mbar
(Torr)
Possible cut-in pressure
RUVAC WS mbar (Torr)
Max. permissible pressure difference
during continuous operation mbar (Torr)
Main supply
Δ / Y V
Δ / Y V
Thermal class
Motor power, 50/60 Hz kW
(hp)
Nominal speed, approx. (50/60 Hz) rpm
Max. permissible speed rpm
Type of protection to EN 60 529 IP
Oil filling for the bearing chamber
PFPE
vertical pumping action, approx. l
(qt)
horizontal pumping action, approx. l
(qt)
other oils
vertical pumping action, approx. l
(qt)
horizontal pumping action, approx. l
(qt)
Connection flanges DN
Weight WS/WSU kg (lbs)

Noise level dB(A)		 1000 (589)
800 (470)
SV 300
–
< 8 x 10-3
(< 6 x 10-3)
< 4 x 10-2
(< 3 x 10-2)

60 (45.0)

80 (60.0)

200 / –
230 / 400
F
4.0/4.4
(5.4/6.0)
3000/3600
6000
20
1. Filling/
2. Filling
1.95 / 1.75
(2.06 / 1.85)
1.2 / 1.1
(1.27 / 1.16)

2.0 / 1.8
2.11 / 1.90
1.2 / 1.1
(1.27 / 1.16)
100 ISO-K
228/233
(502.7/513.8)
< 68 		1200 (707)
1000 (588)
SV 630 F
–
< 8 x 10-3
(< 6 x 10-3)
< 4 x 10-2
(< 3 x 10-2)

45 (33.5)

80 (60.0)

200-208 / –
265 / 460
F
4.0/4.4
(5.4/6.0)
3000/3600
6000
20
1. Filling/
2. Filling
1.95 / 1.75
(2.06 / 1.85)
1.2 / 1.1
(1.27 / 1.16)

2.0 / 1.8
2.11 / 1.90
1.2 / 1.1
(1.27 / 1.16)
100 ISO-K
228/233
(502.7/513.8)
< 68 		2050 (1207.5)
1850 (1089)
SV 630 F
–
< 8 x 10-3
(< 6 x 10-3)
< 4 x 10-2
(< 3 x 10-2)

30 (22.5)

50 (37.5)

200 / –
230 / 400
F
7.5 /8.5
(10.0/11.6)
3000/3600
4200
20
1. Filling/
2. Filling
3.0 / 2.7
(3.17 / 2.85)
2.1 / 1.9
(2.22 / 2.00)

3.85 / 3.6
(4.07 / 3.81)
2.6 / 2.4
(2.75 / 2.54)
160 ISO-K
458/465
(1009.9/1025.3)
< 72 		2460 (1449)
2100 (1236)

–
< 8 x 10-3
(< 6 x 10-3)
< 4 x 10-2
(< 3 x 10-2)

25 (18.5)

50 (37.5)

200-208 / –
265 / 460
F
7.5/8.5
(10.0/11.6)
3000/3600
4200
20
1. Filling/
2. Filling
3.0 / 2.7
(3.17 / 2.85)
2.1 / 1.9
(2.22 / 2.00)

3.85 / 3.6
(4.07 / 3.81)
2.6 / 2.4
(2.75 / 2.54)
160 ISO-K
458/465
(1009.9/1025.3)
< 72
4100
3400
–
SP 630
< 8x10-3
(< 6 x 10-3)
< 4 x 10-2
(< 3 x 10-2)

< 10 (< 7.5)

40 (30.0)

400
400
F
7.5 / 8.5
(10.0/11.6)
3000
6000
20
1. Filling/
2. Filling
–

–


3.3 / 3.0
(3.49 / 3.17)
2.2 / 2.0
(2.33 / 2.11)
160 ISO-K
465
(1025.3)
< 72 		4100
3400
–
SP 630
< 8x10-3
(< 6 x 10-3)
< 4 x 10-2
(< 3 x 10-2)

< 10 (< 7.5)

35 (26.0)

400
400
F
7.5 / 8.5
(10.0/11.6)
3000
6000
20
1. Filling
2. Filling
3,0 / 2,7

1.8 / 1.6
(1.9 / 1.7)

–

–

160 ISO-K
465
(1025.3)
< 72