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Oil Rotary Vacuum Pump
PKS
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The PKS series models are extremely durable, large oil rotary vacuum pumps with very stable pumping characteristics. High-grade cast iron is used, providing strength and resistance to abrasion. They are used in many applications, in areas ranging from the metal and automotive industries, to the chemical, pharmaceutical and food industries.
Features
- Robust and long life. Low speed rotation with few sliding parts.
- Excellent abrasion resistance material are used.
- High efficiency multi voltage motor (IE-3) which enable to use 200-240 / 380-460 V.
* Please select the voltage of solenoid for oil circulation.
* For PKS-070B with 200V class, a single voltage motor will be recommended. - For PKS-070B, bigger oiler and oil level gauge are introduced. Inspection hole for V belt is added.
- Vacuum heat treatment furnace, sintering furnace, carburizing furnace
- Solvent exhaust
- Vacuum impregnation, casting
- Large chamber exhaust
Specifications
| Model | PKS-016 | PKS-030 | PKS-070B *1 | |||
| Designed pumping speed |
50Hz | 96 m3/h (1,600 L/min) |
180 m3/h (3,000 L/min) |
420 m3/h (7,000 L/min) |
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| 60Hz | ||||||
| Ultimate pressure *2 | GP Close | 2.7 Pa | ||||
| GP Open | 400 Pa | |||||
| Maximum water vapor tolerance |
GP Open | 650 Pa | 900 Pa | 6000 Pr | ||
| Maximum water vapor capacity |
GP Open | 5 g/h | 7 g/h | 12 g/h | ||
| Motor *3 | Type of motor | Totally enclosed fan cooled 3 phase induction motor | ||||
| Energy efficiency class |
IE3 | |||||
| Power | 2.2 kW(4 poles) | 3.7 kW(4 poles) | 11 kW(6 poles) | |||
| Voltage | 50Hz | 200 ～ 240 V / 380 ～ 415 V | ||||
| 60Hz | 200 ～ 240 V / 380 ～ 460 V | |||||
| Capacity | 50Hz | 10 kVA | 15 kVA | 65 kVA | ||
| 60Hz | 75 kVA | |||||
| Oil *4 | ULVOIL R-72 | |||||
| Oil capacity | 6.5 L | 8 L | 20 L | |||
| Cooling method | Air cooled | Water cooled | ||||
| Cooling water | Primary side pressure | - | ≦ 0.3 Mpa | |||
| Inlet / outlet differential pressure |
- | ≦ 0.1 Mpa | ||||
| Cooling water capacity | - | 3 L/min | 5 L/min | |||
| Cooling water temperature | - | 5 ～ 30 ℃ | ||||
| Inlet port connection JIS B 2290 | VG50 equivalent | VG80 equivalent | VG100 equivalent | |||
| Outlet port connection JIS B 2290 | VF50 equivalent | VF80 equivalent | VF100 equivalent | |||
| External dimension WxDxH | 587 x 884 x 572 mm |
721 x 675 x 973 mm |
971 x 983 x 1190 mm |
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| Weight ( without pump and pump base ) | 225 kg ( pump only ) |
380 kg ( pump only ) |
900 kg ( pump only ) |
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| Applicable standard | CE, cTUVus | |||||
| Standard accessory | A dose of oil, a set of manual, Motor pulley 1 set | |||||
| Option | TM-2 | TM-3 | TM-4 ( S ) | |||
| Oil mist trap, other oil types, gas ballast valve, explosion-resistant motor, special type for special application ( spec H and L ) |
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Note)This specification uses SI measurement units.
2.7 Pa = 2 × 10-2 Torr
*1 PKS-070B has been improved by changing the casting shape and adopting a large oil level gauge,
a large capacity oiler,and a sealed belt cover with inspection view holes.
There is no change in the mating dimensions and performance from the conventional model.
*2 Measured with a Pirani gauge. ( Apprx. 2.7 x 10-1 Pa when measured with a McLeod vacuum gauge. )
*3 Factory shipment setup is 200V class Δ delta connection. Please change it to Y connection if working
voltage is 400V class.
*4 Other oil types are also available, please contact us.
Pumping Speed Curves
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Dimension drawing
