Oil Diffusion Ejector Pump

PBL Series

PBL-04

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ULVAC's oil diffusion ejector pumps are generally used in industrial processes to provide high pumping speed. They are particularly well-suited for use in metallurgy, plastic coating and chemical manufacturing, where large quantities of gas have to be pumped away as quickly as possible. With no moving parts, these pumps are rugged and extremely reliable. They are very much like standard oil diffusion pumps, but are optimized to work at higher inlet pressures.

Features

  • These pumps have maximum pumping speed at 10-1 Pa level.
  • Stainless steel is used for the pump bodies of Model PBL-02 and PBL-04 in order to minimize outgassing of the pumps, eliminate corrosion and to ensure a long operating lifetime of the pump.
  • The PBL Series are particularly well-suited for the use as an intermediate pump between an oil rotary pump, a mechanical booster pump and oil diffusion pump.
  • The larger capacity pumps (PBL-06 - PBL-20) have the heaters directly immersed in the operating fluid for maximum thermal efficiency.

Specifications

Model PBL-02 PBL-04 PBL-06 PBL-10 PBL-14 PBL-20
Pumping speed(L/sec) 80 200 500 1800 4000 7000
Ultimate pressure(Pa)*1 2.7×10-2
Maxium forepressure(Pa) 40
Heating up time(min) 20 30 30 40 50 60
Oil ULVOIL B-6
Oil capacity(L) 0.1 0.6 7.5 18 36 90
Cooling water temperature(℃) 19~25℃
Water connections Rc 1/8×1 Rc 1/4×1 Rc 3/8×2 Rc 1/2×2 Rc 1/2×3 Rc 1/2×3
Rc 3/8×1
Water capacity(L/min) 1.5 5 8 12 18 25
Voltage 200V / 1φ 200V / 3φ
Pump power(kW) 0.44 1.8 4
2kW×2pc.
8
4kW×2pc.
11
5.5kW×2pc.
18
6kW×3pc.
Heater type cartridge colled element sheathed sheathed sheathed sheathed
Standard backing pump*2 VD201/VD30C
PVD-360
PKS-016
VS1501
PKS-030
VS2401
PKS-070
(PMB600D+PKS-030)
(PMB600D+VS1501)
PMB1200D+PKS-030
PMB1200D+VS1501
PMB-040C+PKS-070
(PMB2400D+PKS-070)
Dimensions(mm)*3 A 100 150 200 300 340 510
B 70 112 152 346 548 422
H 463 524 973 1321 1687 2320
Inlet VG50 VG100 VG150 VG250 VG350 VG500
Outlet 3/4B hose fittings VG40 VG50 VG80 VG100 VG200
Weight(kg) 6 17 86 198 313 495
Oil level gage without without dip stick dip stick dip stick dip stick
Themal switch option witout witout witout witout witout witout
Themal switch operating temperature(℃) - - - - - -

Water Cooling Baffle(PBL)

Model BW-02 BW-04B BW-06B BW-10 BW-14 BW-20
Conductance [L/sec] 100 940 2200 3130 5000 13000
Dimensions [mm]*3 D φ120 φ149 φ199 φ350 φ450 φ625
T 16 28 28 44 50 152
t 16 25 25 22 22 24
Water connections Rc 1/8 Rc 1/4 Rc 1/4 Rc 1/4 Rc 3/8 Rc 3/8
Water capacity
[L/min]
1.5 0.7 1 2 2 3
Weight [kg] 1 1.3 1.7 7.6 11 22

*1 The ultimate pressure by an ionization gauge in the case of coolant temperature 20 degrees Ceisius.
*2 The backing pump chooses it for the maximum throughput of the diffusion ejector pump,but,in consideration of time of
starting pressure,it is good to use a big backing pump.
*3 Please confirm other dimensions by CAD data placing in the ULVAC,Inc.website.

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