Multi-Stage
High Capacity Vacuum Pumps |
STOKES
VACUUM INC.
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These
multi-stage systems combine a Stokes Microvac rotary piston
pump (paga 3) with a vacuum blower. They automatically and economically
evacuate large ayatems. Equipped with all neces-sary switches
and cintrols for automatic or manual operation, the maintain
con-stant low pressure even against high gas flow.
Customized multi-stage systems are also available to meet your
speciflc needs. |
Features
．Low
ultimate blank-off down to
0.1
micron Hg
．Unique
oil purification system
．High efficiwncy
(80%+)even in the low-
micron range
．Automatic
operarion from atmos-pheric
pressure to bland-off
．Simple
design eliminating complex
bypass arrangements
．Mnay
models abailable with integral
by-pass
．Low, simplified
maintenance
fewer
moving parts, less-frequwnt oil chenges
then other pumps; no special tools for
routine maintenance
．Exclusive
Two-Year Limited Warranty |
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Specifications
|
Model
No.
|
1736
|
1736-S
|
1721
|
1721-S
|
1722
|
1722-DD
|
1722-DDBP
|
1722-S
|
1738
|
1738-BP
|
1738-HC
|
1738-HCBP
|
|
Displacemant
|
1st
stage
Blower
|
cfm
m /hr
|
612
1040
|
850
1444
|
1300
2209
|
1600
2719
|
1300
2209
|
1300
2209
|
1300
2209
|
1600
2718
|
2000
3398
|
2000
3398
|
2000
3398
|
2000
3398
|
|
Microvac
Pump
|
cfm
m/hr
|
150
255
|
150
255
|
150
255
|
150
255
|
300
510
|
300
510
|
300
510
|
300
510
|
300
510
|
300
510
|
600
1020
|
600
1020
|
|
Normal
cut-in pressure
|
torr
|
25
|
10
|
15
|
10
|
25
|
25
|
--
|
15
|
10
|
--
|
25
|
--
|
|
Pressure
limit for
continuous operation
|
torr
|
8
|
3
|
3
|
2
|
15
|
15
|
15
|
8
|
3
|
--
|
5
|
--
|
|
Drive
|
1st
stage
|
hp
kw
|
3
2.2
|
3
2.2
|
3
2.2
|
7.5
5.6
|
10
7.5
|
7.5
5.6
|
10
7.5
|
10
7.5
|
10
7.5
|
15
11.2
|
10
7.5
|
15
11.2
|
|
2nd
stage
|
hp
kw
|
--
|
--
|
--
|
--
|
--
|
--
|
--
|
--
|
--
|
--
|
--
|
--
|
|
Forepump
|
hp
kw
|
7.5
5.6
|
7.5
5.6
|
7.5
5.6
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7.5
5.6
|
10
7.5
|
10
7.5
|
10
7.5
|
10
7.5
|
10
7.5
|
10
7.5
|
2@10
14.9
|
2@10
14.9
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Connections
|
Suction
flange
|
in.
|
6
|
6
|
8
|
8
|
8
|
8
|
8
|
8
|
8
|
8
|
8
|
8
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Discharge
NPT
|
in.
|
2
|
2
|
2
|
2
|
3
|
3
|
3
|
3
|
3
|
3
|
3(2)
|
3(2)
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Model
No.
|
1754
|
1754-HC
|
1733
|
1733-HC
|
1733-HD
|
1725
|
1726
|
1719
|
1720
|
1727*
|
1729*
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Displacemant
|
1st
stage
Blower
|
cfm
m/hr
|
3000
5100
|
3000
5100
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3840
6528
|
3840
6528
|
3840
6528
|
5740
9753
|
5740
9753
|
7880
13,390
|
7880
13,390
|
10,600
18,020
|
13,950
23,704
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Microvac
Pump
|
cfm
m/hr
|
300
510
|
600
1020
|
300
510
|
600
1020
|
730
1240
|
600
1020
|
730
1240
|
600
1020
|
730
1240
|
300
510
|
300
510
|
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Normal
cut-in pressure
|
torr
|
15
|
30
|
5
|
10
|
15
|
10
|
15
|
10
|
15
|
1st
3.0/2nd 25.0
1st 2.0/2nd 25.0
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Pressure
limit for
continuous operation
|
torr
|
1
|
3
|
0.6
|
1
|
1.5
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1.2
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1.3
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0.8
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1.1
|
0.55
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0.45
|
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Drive
|
1st
stage
|
hp
kw
|
20
14.9
|
25
18.6
|
20
14.9
|
30
22.4
|
30
22.4
|
30
22.4
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30
22.4
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40
29.8
|
40
29.8
|
40
29.8
|
50
37.3
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2nd
stage
|
hp
kw
|
--
--
|
--
--
|
--
--
|
--
--
|
--
--
|
--
--
|
--
--
|
--
--
|
--
--
|
7.5
5.6
|
7.5
5.6
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Forepump
|
hp
kw
|
10
7.5
|
2@10
14.9
|
10
7.5
|
2@10
14.9
|
30
22.4
|
2@10
14.9
|
30
22.4
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2@10
14.9
|
30
22.4
|
10
7.5
|
10
7.5
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Connections
|
Suction
flange
|
in.
|
8
|
8
|
8
|
8
|
8
|
12
|
12
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14
|
14
|
18
|
18
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Discharge
NPT
|
in.
|
3
|
3(2)
|
3
|
3(2)
|
5Flg
|
3(2)
|
5Flg
|
3(2)
|
5Flg
|
3
|
3
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*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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