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Technical data
S149-01-880 Issue F
2Technical data
2.1 Operating and storage conditions
2.2 Pump specifications
Technical specifications for Microvac pumps are provided in Table 2. Pump dimensions are shown in Figures 6, 7
and 8.
Table 1 - General data
General items Reference data
Ambient temperature range (operation) 12 to 40 °C (54 to 104 °F)
Normal surface temperature of the pump body at ultimate vacuum
(operation), ambient temperature of 20 °C (68 °F)
50 to 70 °C (122 to 158 °F)
Maximum humidity (operation) 90 % RH
Ambient temperature range (storage) -30 to 70 °C (-22 to 158 °F)
Table 2 - Pump technical specifications
Specification Unit 149-H 149-HS 212-J 412-J
Ultimate vacuum microns Hg < 25 < 25 < 25 < 25
Displacement cfm 80 100 150 300
m
3
h
-1
135 170 255 510
Pump speed rpm 490 612 500 490
Vacuum inlet inch 2 ANSI 2 ANSI 3 ANSI 4 ANSI
Vacuum exhaust inch 1-1/2 NPT 1-1/2 NPT 2 NPT/FLG 3 NPT/FLG
Pipe connections
Water inlet inch 1/2 NPT 1/2 NPT 1/2 NPT 1/2 NPT
mm 13 13 13 13
Water outlet inch 1/2 NPT 1/2 NPT 1/2 NPT 1/2 NPT
mm 13 13 13 13
Oil capacity gal 2-1/2 2-1/2 4 12
liters 10 10 15 46
Weight
Net lb 686 686 950 1875
kg 311 311 431 850
Shipping lb 800 800 1075 1975
kg 363 363 488 896
Height inch 39-3/4 39-3/4 46 55
mm 1009 1009 1171 1395
Floor space inch 23-1/2 x 20-1/8 23-1/2 x 20-1/8 26-1/4 x 24 40-1/4 x 25-5/8
mm 597 x 511 597 x 511 667 x 610 1022 x 651
Cooling water
consumption (maximum)
gpm 1 1 1.5 2
lpm 3.8 3.8 5.7 7.6