The company's leading product is vacuum acquisition equipment, with diffusion pump, expansion pump and oil booster pump (oil booster pump, water cooling baffle and pneumatic baffle valve) as the core, we have developed the vacuum unit of Zhenlong characteristic diffusion pump, expansion pump and oil booster pump, which has the characteristics of high vacuum degree, large pumping speed, low oil vapor return volume and stable operation in high pressure and strong section.
KA Oil Diffusion Vacuum Pump (Short)
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KA series oil diffusion vacuum pump
Series kA are the equipment mainly used for getting the high vacuum condition; we adopt this equipment, valves, water cooling baffle, pipe and mechanical vacuum pump as the high vacuum unit. 10-2~10-5 Vacuum degree of work can be achieved. If liquid nitrogen or other cooling device can be used, it can get ultra-high vacuum (10-6kpa) with baking.
The pumping capacity is big, the pumping speed can be changed range from 700L/S to 10000L/S, when used in a limited place, and the height of the diffusion pump unit can be adjusted. KA adopts stretching process, reduces weld crack and out gassing and increases strength.There are two kinds of heater you can choose: heating wire or heating plate,
It is widely used in vacuum coating, vacuum furnace, electron, aviation, aerospace hi-tech field.
Note: Please make a clear indication of your selection, KA1 or KA2 when placing an order.
Technical Data
| Type Item |
KA-400 | KA-500 | KA-600 | KA-630 | KA-800 | KA-900 | KA-1000 | KA-1200 | KA-1400 | KA-1600 | |
| Extreme Pressure Pa | ≤5×10-5 | ||||||||||
| Pumping Rate L/s | 7000 | 10500 | 15500 | 17000 | 24000 | 35000 | 39000 | 50000 | 78000 | 100000 | |
| Critical Pre-stage Pressure Pa | 40 | ||||||||||
| Back-streaming Rate of Pump Fluid mg/(cm2·min) | ≤3×10-2 | ||||||||||
| Heating Time min | ≤45 | ≤50 | ≤55 | ≤60 | ≤65 | ≤80 | |||||
| Heating Power KW | 3.5-4.5 | 5-7 | 7-9 | 8-10 | 12-15 | 14-16 | 17-20 | 26-30 | 35-40 | 45-50 | |
| Power Supply Voltage (AC)V | 380 | ||||||||||
| Model of Pump Oil | KS-3 | ||||||||||
| Oil Capacity L | 3-4 | 4-5 | 6-7 | 7-8 | 12-14 | 13-15 | 15-16 | 22-24 | 33-35 | 45-47 | |
| Volume of Cooling Water L/h | 500 | 600 | 800 | 850 | 1200 | 1350 | 1500 | 2600 | 3400 | 4300 | |
| Diameter of Air Inlet mm | 400 | 500 | 600 | 630 | 800 | 900 | 1000 | 1200 | 1400 | 1600 | |
| Diameter of Air Outlet mm | 100 | 100 | 150 | 160 | 200 | 200 | 300 | 300 | 320 | 320 | |
| Recommended Pumping Speed of Fore Pump L/s | 70 30 |
150 70 |
300 70 |
300 70 |
600 150 |
600 150 |
1200 300 |
1200 300 |
1200 350 |
2500 350 |
|
| Size mm | L | 885 | 1010 | 1145 | 1170 | 1520 | 1843 | 1990 | 2235 | 2408 | 2716 |
| B | 665 | 815 | 975 | 1010 | 1275 | 1283 | 1290 | 1750 | 1900 | 2100 | |
| H | 830 | 957 | 1160 | 1200 | 1440 | 1660 | 1890 | 2230 | 2715 | 3120 | |
| Net Weight kg | 135 | 150 | 310 | 350 | 560 | 705 | 850 | 1300 | 1850 | 2200 | |
Performance Curves

Outline&Instalation Dimension(mm)
| Type | A | C | D | D1 | D2 | n-Ф1 | d | d1 | d2 | n-Ф2 | H1 | H |
| KA-400 | 440 | 360 | 400 | 465 | 500 | 8-18 | 100 | 145 | 170 | 4-12 | 780 | 830 |
| KA-500 | 450 | 500 | 500 | 565 | 600 | 12-18 | 100 | 145 | 170 | 4-12 | 868 | 957 |
| KA-600 | 600 | 600 | 600 | 670 | 710 | 12-21 | 150 | 195 | 220 | 8-12 | 1040 | 1160 |
| KA-630 | 600 | 600 | 630 | 720 | 750 | 20-14 | 160 | 200 | 225 | 8-12 | 1080 | 1200 |
| KA-800 | 800 | 800 | 800 | 880 | 920 | 20-21 | 200 | 250 | 275 | 8-12 | 1320 | 1440 |
| KA-900 | 900 | 810 | 900 | 978 | 1060 | 28-22 | 200 | 241 | 280 | 8-20 | 1540 | 1660 |
| KA-1000 | 1000 | 1060 | 1000 | 1090 | 1140 | 24-23 | 300 | 350 | 380 | 8-14 | 1760 | 1890 |
| KA-1200 | 1200 | 1200 | 1200 | 1310 | 1360 | 28-25 | 300 | 350 | 380 | 8-14 | 2100 | 2230 |
| KA-1400 | 1400 | 1400 | 1400 | 1550 | 1600 | 44-23 | 320 | 395 | 425 | 12-14 | 2615 | 2715 |
| KA-1600 | 1600 | 1600 | 1600 | 1760 | 1800 | 44-28 | 320 | 395 | 425 | 12-14 | 3020 | 3120 |
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