Series
MB
Booster Pumps |
STOKES
VACUUM INC.
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| These
Stokes pumps are designed for vacuum processes which require
bank-off in the low-micron range. They consist of a field-serviceable
direct-drive Stokes Microvac rotary piston pump (page 3). Several
models are designed to pump directy from atmosphere. Others
are equipped with a pressure switch which automatically starts
the blower at a specified cut-in pressure. All operate at high
speeds and low pressures (even with full gas ballast), and provide
excellent water-handing capacity. |
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Specifications
| Model
Number |
146MB
|
146MBX
|
148MB
|
148MBX
|
149MB
|
149MBX
|
149MBHC
|
212MB
|
212MBX
|
412MB
|
146MBX
|
612MB
|
912MB
|
First
stage
displaciment |
cfm
m /hr
|
125
212
|
245
416
|
125
212
|
245
416
|
125
212
|
245
416
|
400
680
|
245
416
|
400
680
|
400
680
|
612
1040
|
612
1040
|
3840
6528
|
Second
stane
displacement |
cfm
m/hr
|
30
50
|
30
50
|
50
85
|
50
85
|
80
135
|
80
135
|
80
135
|
150
255
|
150
255
|
300
510
|
300
510
|
300*
510
|
730
1240
|
First
stage direct
drive |
hp
kw
|
1.5
1.1
|
2.0
1.5
|
1.5
1.1
|
2.0
1.5
|
1.5
1.1
|
2.0
1.5
|
2.0
1.5
|
5.0
3.7
|
2.0
1.5
|
2.0
1.5
|
20.0
14.9
|
20.0
14.9
|
30.0
22.4
|
Second
stoge
belt drive |
hp
kw
|
1.5
1.1
|
1.5
1.1
|
2.0
1.5
|
2.0
1.5
|
3.0
2.2
|
3.0
2.2
|
3.0
2.2
|
7.5
5.6
|
7.5
5.6
|
|
10.0
7.5
|
--
--
|
30.0
22.4
|
Operation
from
atmosphere w/o
pressure switch |
|
No
|
No
|
No
|
No
|
Yes
|
No
|
No
|
Yes
|
No
|
Yes
|
Yes
|
Yes
|
No
|
Blower
cut-in
pressure |
torr
|
100
|
10
|
300
|
30
|
760
|
70
|
20
|
760
|
55
|
760
|
760
|
760
|
15
|
Pressure
limit
for continuous
operation |
forr
|
20
|
3
|
20
|
10
|
--
|
40
|
10
|
--
|
35
|
--
|
--
|
--
|
1.5
|
Inlet
connection
ASA flange |
in.
|
3
|
3
|
3
|
3
|
3
|
3
|
4
|
3
|
4
|
4
|
6
|
6
|
8
|
Exhaust
connection
NPT |
in.
|
1.25
|
1.25
|
1.5
|
1.5
|
1.5
|
1.5
|
1.5
|
2.0
|
2.0
|
3.0
|
3.0
|
4.0
|
5.0Flg
|
*612
MB has built-in bypass
Electrical characterisrics:230/460v; 60Hz, 3hp. Direct-drive MB
pumps deiver 5/6 cfm on 50-cucle operation.
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旭豪真空科技有限公司
SHANG HAUR INDUSTRIAL CO., LTD.
台北縣土城市大安路142號
NO.142,DAH AN Road, Tu Cheng City,
TAIPEI HSIEN, TAIWAN, R.O.C.
TEL:02-8076-3000 FAX:02-8076-3300
E-MAIL:sh.vacuum@msa.hinet.net
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