Features
- Wide range of pumps with pumping speed of 1.3 up to 300 m3/h
- Space-saving and ideal for systems integration
- High pumping speeds with small dimensions
- High operating reliability through integrated high vacuum safety valve
- Non-ferrous metal version ensures additional operational safety
- Also available as corrosive gas version
- Long life and low maintenance thanks to magnetic coupling
Applications
- All applications in low and medium vacuum
- Ideal backing pump for turbo pumps and roots pumps
- General laboratory use
- Analytics
- Chemical laboratory
- Freeze drying
- Process engineering
Specifications Table
Pump Model | Duo 1.6 | Duo 3 | Duo 6 | Duo 11 |
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Pumping Speeds |
50 (Hz)
0.74 CFM 20.8 L/min 0.35 L/s 1.25 m3/hr
60 (Hz)
0.88 CFM 24.9 L/min 0.41 L/s 1.50 m3/hr |
50 (Hz)
1.47 CFM 41.7 L/min 0.69 L/s 2.50 m3/hr
60 (Hz)
1.71 CFM 48.3 L/min 0.80 L/s 2.90 m3/hr |
50 (Hz)
2.94 CFM 83.3 L/min 1.38 L/s 5.00 m3/hr
60 (Hz)
3.53 CFM 100.0 L/min 1.66 L/s 6.00 m3/hr |
50 (Hz)
5.30 CFM 149 L/min 2.49 L/s 9.00 m3/hr
60 (Hz)
6.18 CFM 174 L/min 2.90 L/s 10.5 m3/hr |
Ultimate Pressure |
Total With Gas Ballast
3.00 x 10-2 hPA 3.00 x 10-2 mbar 3.00 Pa 2.25 x 10-2 Torr
Total Without Gas Ballast
3.00 x 10-3 hPA 3.00 x 10-3 mbar 3.00 x 10-1 Pa 2.50 x 10-3 Torr |
Total With Gas Ballast
3.00 x 10-2 hPA 3.00 x 10-2 mbar 3.00 Pa 2.25 x 10-2 Torr
Total Without Gas Ballast
3.00 x 10-3 hPA 3.00 x 10-3 mbar 3.00 x 10-1 Pa 2.50 x 10-3 Torr |
Total With Gas Ballast
3.00 x 10-2 hPA 3.00 x 10-2 mbar 3.00 Pa 2.25 x 10-2 Torr
Total Without Gas Ballast
3.00 x 10-3 hPA 3.00 x 10-3 mbar 3.00 x 10-1 Pa 2.50 x 10-3 Torr |
Total With Gas Ballast
3.00 x 10-3 hPA 3.00 x 10-3 mbar 3.00 x 10-1 Pa 2.25 x 10-3 Torr
Total Without Gas Ballast
3.00 x 10-3 hPA 3.00 x 10-3 mbar 3.00 x 10-1 Pa 2.25 x 10-3 Torr |
Cooling Method(s) |
Method Convection |
Method Convection |
Method Convection |
Method Convection |
Motor Power HP (kW) | 0.12 ( 0.09 ) | 0.24 ( 0.18 ) | 0.32 ( 0.24 ) | 0.40 ( 0.30 ) |
Inlet Flange | KF16 |
KF16 |
KF16 |
KF16 |
Exhaust Flange | KF16 |
KF16 |
KF16 |
KF16 |
Oil Type(s) |
Hydrocarbon Oil Part: KJLSS20G1 |
Hydrocarbon Oil Part: KJLSS20G1 |
Hydrocarbon Oil Part: KJLSS20G1 |
Hydrocarbon Oil Part: KJLSS20G1 |
Oil Capacity Quarts (Liters) *Unless otherwise noted |
0.42 ( 0.40 ) | 0.42 ( 0.40 ) | 0.53 ( 0.50 ) | 0.63 ( 0.60 ) |
Noise db(A) | 48.0 | 53.0 | 51.0 | 55.0 |
Compression Stages | 2 |
2 |
2 |
2 |
Series | Standard |
Standard |
Standard |
Standard |
Weight Lbs (kg) | 21.1 ( 9.60 ) | 24.9 ( 11.3 ) | 35.2 ( 16.0 ) | 37.4 ( 17.0 ) |
Dimensions in. (mm.) | 13.3 x 5.28 x 7.60 (337 x 134 x 193 ) | 12.9 x 5.04 x 7.80 (327 x 128 x 198 ) | 15.0 x 5.04 x 7.80 (381 x 128 x 198 ) | 16.6 x 5.04 x 7.80 (421 x 128 x 198 ) |
Lubrication Type | Wet |
Wet |
Wet |
Wet |
Technology Type | Rotary Vane - Direct Drive |
Rotary Vane - Direct Drive |
Rotary Vane - Direct Drive |
Rotary Vane - Direct Drive |
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Pump Model | Duo 35 | Duo 35C | Duo 65 | Duo 65C | Duo 125 | Duo 255 |
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Pumping Speeds |
50 (Hz)
18.8 CFM 533 L/min 8.85 L/s 32.0 m3/hr
60 (Hz)
21.2 CFM 600 L/min 9.96 L/s 36.0 m3/hr |
50 (Hz)
18.8 CFM 533 L/min 8.89 L/s 32.0 m3/hr
60 (Hz)
21.2 CFM 600 L/min 10.0 L/s 36.0 m3/hr |
50 (Hz)
36.5 CFM 1033 L/min 17.2 L/s 62.0 m3/hr
60 (Hz)
41.2 CFM 1166 L/min 19.4 L/s 70.0 m3/hr |
50 (Hz)
36.5 CFM 1033 L/min 17.2 L/s 62.0 m3/hr
60 (Hz)
41.2 CFM 1166 L/min 19.4 L/s 70.0 m3/hr |
50 (Hz)
67.7 CFM 1916 L/min 31.8 L/s 115 m3/hr
60 (Hz)
79.5 CFM 2249 L/min 37.3 L/s 134 m3/hr |
50 (Hz)
147 CFM 4165 L/min 69.2 L/s 250 m3/hr
60 (Hz)
176 CFM 4999 L/min 83.0 L/s 299 m3/hr |
Ultimate Pressure |
Total With Gas Ballast
3.00 x 10-3 hPA 3.00 x 10-3 mbar 3.00 x 10-1 Pa 2.25 x 10-3 Torr
Total Without Gas Ballast
3.00 x 10-3 hPA 3.00 x 10-3 mbar 3.00 x 10-1 Pa 2.25 x 10-3 Torr |
Total With Gas Ballast
3.00 x 10-3 hPA 3.00 x 10-3 mbar 3.00 x 10-1 Pa 2.25 x 10-3 Torr
Total Without Gas Ballast
2.00 x 10-3 hPA 2.00 x 10-3 mbar 2.00 x 10-1 Pa 1.50 x 10-3 Torr |
Total With Gas Ballast
3.00 x 10-3 hPA 3.00 x 10-3 mbar 3.00 x 10-1 Pa 2.25 x 10-3 Torr
Total Without Gas Ballast
2.00 x 10-3 hPA 2.00 x 10-3 mbar 2.00 x 10-1 Pa 1.13 x 10-3 Torr |
Total With Gas Ballast
3.00 x 10-3 hPA 3.00 x 10-3 mbar 3.00 x 10-1 Pa 2.25 x 10-3 Torr
Total Without Gas Ballast
3.00 x 10-3 hPA 3.00 x 10-3 mbar 3.00 x 10-1 Pa 2.25 x 10-3 Torr |
Total With Gas Ballast
4.00 x 10-3 hPA 4.00 x 10-3 mbar 4.00 x 10-1 Pa 3.00 x 10-3 Torr
Total Without Gas Ballast
2.00 x 10-3 hPA 2.00 x 10-3 mbar 2.00 x 10-1 Pa 1.50 x 10-3 Torr |
Total With Gas Ballast
4.00 x 10-3 hPA 4.00 x 10-3 mbar 4.00 x 10-1 Pa 3.00 x 10-3 Torr
Total Without Gas Ballast
3.00 x 10-3 hPA 3.00 x 10-3 mbar 3.00 x 10-1 Pa 2.25 x 10-3 Torr |
Cooling Method(s) |
Method Convection |
Method Convection |
Method Convection |
Method Convection |
Method Convection |
Method Convection |
Motor Power HP (kW) | 1.74 ( 1.30 ) | 2.41 ( 1.80 ) | 1.74 ( 1.30 ) | 6.03 ( 4.50 ) | 12.1 ( 9.00 ) | |
Inlet Flange | KF40 |
KF40 |
KF40 |
KF40 |
ISO63-K |
ISO100-F |
Exhaust Flange | KF40 |
KF40 |
KF40 |
KF63 |
ISO100-F |
|
Oil Type(s) |
Hydrocarbon Oil Part: KJLSS20G1 |
Hydrocarbon Oil Part: KJLSS20G1 |
Hydrocarbon Oil Part: KJLSS20G1 |
Hydrocarbon Oil Part: KJLSS20G1 |
Hydrocarbon Oil Part: KJLSS20G5 |
Hydrocarbon Oil Part: KJLSS20G5 |
Oil Capacity Quarts (Liters) *Unless otherwise noted |
3.36 ( 3.20 ) | 3.38 ( 3.20 ) | 4.41 ( 4.20 ) | 3.36 ( 3.20 ) | 14.7 ( 14.0 ) | 26.3 ( 25.0 ) |
Noise db(A) | 61.0 | ≤52 Db (A) | 61.0 | 62.0 | 75.0 | 75.0 |
Compression Stages | 2 |
2 |
2 |
2 |
2 |
2 |
Series | Standard |
Standard |
Corrosive |
Standard |
Standard |
|
Weight Lbs (kg) | 149 ( 68.0 ) | 149 ( 68.0 ) | 165 ( 75.0 ) | 162 ( 74.0 ) | 496 ( 225 ) | 793 ( 360 ) |
Dimensions in. (mm.) | 26.0 x 9.45 x 13.4 (661 x 240 x 340 ) | 29.2 x 9.45 x 13.4 (741 x 240 x 340 ) | 26.0 x 9.45 x 13.4 (661 x 240 x 340 ) | 45.9 x 15.6 x 20.7 (1166 x 396 x 526 ) | 55.4 x 18.1 x 26.4 (1407 x 460 x 670 ) | |
Lubrication Type | Wet |
Wet |
Wet |
Wet |
Wet |
Wet |
Technology Type | Rotary Vane - Direct Drive |
Rotary Vane - Direct Drive |
Rotary Vane - Direct Drive |
Rotary Vane - Direct Drive |
Rotary Vane - Direct Drive |
Rotary Vane - Direct Drive |
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Ordering Table
(Click column headers to sort data)
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Pump Model | Inlet Flange | Voltage & Phases | Manual | Description | Part Number | Price | In Stock | Add To Cart | Accessories | |
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Pump Model | Inlet Flange | Voltage & Phases | Manual | Description | Part Number | Price | In Stock | Add To Cart | Accessories | |
Duo 35C | KF40 | 230/400–265/460 VAC,50/60 Hz,3-Ø |
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PUMP, |
PKD45202E | P.O.R. |
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Duo 35 | KF40 | 218-242/380-420–250/277/440-480 VAC,50/60 Hz, |
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PUMP, |
PKD45602A | P.O.R. |
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Duo 35 | KF40 | 220-380 VAC,60 Hz,3-Ø |
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PUMP, |
PKD45642D | P.O.R. |
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Duo 65C | KF40 | 218-242/380-420–250/277/440-480 VAC,50/60 Hz, |
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PUMP, |
PKD46202A | P.O.R. |
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Duo 65 | KF40 | 230/400–265/460 VAC,50/60 Hz,3-Ø |
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PUMP, |
PKD46602E | P.O.R. |
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Duo 65 | KF40 | 220/380 VAC,60 Hz,3-Ø |
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PUMP, |
PKD46642D | P.O.R. |
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Duo 125 | ISO63-K | 3 Phase Motor, 265/460 VAC | — |
ROTARY VANE PUMP, |
PKD47602 | P.O.R. |
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Duo 125 | ISO63-K | 3 Phase Motor, 220/380 VAC | — |
ROTARY VANE PUMP, |
PKD47652 | P.O.R. |
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Duo 255 | ISO100-F | 3 Phase Motor, 265/460 VAC | — |
ROTARY VANE PUMP, |
PKD48602 | P.O.R. |
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Duo 255 | ISO100-F | 3 Phase Motor, 220/380 VAC | — |
ROTARY VANE PUMP, |
PKD48652 | P.O.R. |
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Duo 1.6 | KF16 | 230/240–230/240 VAC,50/60 Hz, |
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PUMP, |
PKD56112B | P.O.R. |
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Duo 3 | KF16 | 115/230–115/230 VAC,50/60 Hz,1-Ø |
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PUMP, |
PKD57711A | P.O.R. |
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Duo 6 | KF16 | 115/230–115/230 VAC,50/60 Hz,1-Ø |
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PUMP, |
PKD58711A | P.O.R. |
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Duo 11 | KF16 | 115/230–115/230 VAC,50/60 Hz,1-Ø |
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PUMP, |
PKD59711 | P.O.R. |
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Accessories Table
For Pump Model(s) | Description | Accessory Type | Part Number | Price | In Stock | Add To Cart | |
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For Pump Model(s) | Description | Accessory Type | Part Number | Price | In Stock | Add To Cart | |
DUO 35, DUO 35 C, DUO 65, DUO 65 C | Auto-Soft Flow Actuated Check Valve (KF40) |
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Duo 1.6, Duo 11, Duo 3, Duo 6 | Clamping Kit, For QF16 Flange, Including Aluminum Clamp and FKM Centering Ring |
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Duo 35, Duo 35C, Duo 65, Hi Cube Eco DN40 ISO-KF | Clamping Kit, For QF40 Flange, Including Aluminum Clamp and FKM Centering Ring |
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Duo 125 | Clamping Kit, For QF63 (ISO63-K) Flange, Including (4) Cold Steel Zinc Plated) Clamp and FKM Centering Ring |
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DUO 1.6, 3, 6, 11, 20, 35, 65, 125, 225 | KJLC 300 Convection Enhanced Pirani, KF16 |
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DUO 1.6, 3, 6, 11, 20, 35, 65, 125, 225 | Power Supply, KJLC 275i or 300, US Plug End |
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DUO 1.6, 3, 6, 11 | Clamp, Aluminum, QF16, Cast 1/2" & 3/4" |
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DUO 35C, 65C | Clamp, Aluminum, QF40, Cast 1-1/2" |
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DUO 1.6, 3, 6, 11 | Centering Ring, SS, QF16, FKM |
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DUO 35C, 65C | Centering Ring, SS, QF40, FKM |
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DUO 1.6, 3, 6, 11 | Pfeiffer Gas Ballast Valve with Solenoid Valve (24 VDC) |
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DUO 1.6, 3, 6, 11 | Pfeiffer Gas Ballast Valve with Dosing Spindle and Inert Gas Connection |
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DUO 35, 65 | Pfeiffer Gas Ballast Valve with Solenoid Valve (24 VDC) |
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DUO 35, 65 | Pfeiffer Gas Ballast Valve with Solenoid Valve (24 VDC) |
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DUO 125, 255 | Pfeiffer Gas Ballast Valve with Solenoid Valve (24 VDC) |
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DUO 1.6, 3, 6, 11 | Mains Cable with CEE 7/7 Plug (Northern Europe) for single phase pumps, 2.0m length |
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DUO 1.6, 3, 6, 11 | Mains Cable with NEMA 5-15 (N.A. / Japan) Plug for single phase, 2m length |
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DUO 1.6, 3, 6, 11 | Mains Cable with flying leads for single phase pumps, 3m length |
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DUO 1.6, 3, 6, 11 | KJLC Rt Angle Valve, SS, QF16, Manual, 3/4" Port, FKM Sealed |
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DUO 35C, 65C | KJLC Rt Angle Valve, SS, QF40, Manual, 1.5" Port, FKM Sealed |
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DUO 1.6, 3, 6, 11, 20, 35, 65, 125, 225 | KJLSS 20 Oil (1 gallon) |
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DUO 35, 65 | Pfeiffer OME 40 S Oil Mist Eliminator |
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DUO 35C, 65C | Oil Mist Eliminator | — |
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DUO 125, 225 | Oil Mist Eliminator | — |
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