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ZJP Roots Vacuum Pumps

 

APPLICATIONS & FEATURES
a.Low noise
b.Overflow valve for preventing thermal overloading.
c.High pumping speed in the wide pressure range.
d.Gas protection device for evacuating high-boiling working media
e.Checking is convenient.
f.Insensitive to the dust and water vapour contained in pumped gas
g.Low drive power
h.They find wide application in the fields of metaliurg， chemical， textile and electronics industries.

TECHNICAL DATA

Item/Model Unit ZJP-30 ZJP-70 ZJP-150 ZJP-300 ZJP-600 ZJP-1200
Nominal volume flow rate L/S 30 70 150 300 600 1200
Max.volume flow rate L/S 35 80 172 340 700 1280
Ultimate pressure Pa 5×10-2 5×10-2 5×10-2 5×10-2 5×10-2 5×10-2
Max. permissiable oressure difference Pa 8×103 6×103 5×103 4\×103 3×103 3×103
Compression ratio at zero flow.   25 25 30 30 35 35
Starting pressure Pa 1×103 1×103 1×103 1×103 1×103 1×103
Noise (LW) dB(A) 72 75 78 80 82 85
Motor power Kw 0.55 1.1 2.2 4 5.5 11
rotating speed. r/min 2825 2825 2840 2890 2900 2930
Lubricant oil filling. L 2.0 2.5 2.8 4.0 4.0 5
Weight Kg 130 150 175 315 465 750
Recommended backing pump   2X-8 2X-15 2X-30 2X-70 ZJ-150+2X-30 ZJ-300+2X-70

Performance curves
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