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Microvane® and Windsor™
Rotary Vane Pumps

STOKES 
 VACUUM
INC.

Features

Wear resistant shaft seals
Hardened replaceable sleeve 
 or hardened steel shaft
for 
 wear resistance
Helical timing gears for 
 maximum load capacity, quiet 
 operation, easy timing
Unique impeller design for 
 high volumetric efficiency, high 
 differential pressure, 
 dynamically balanced to 
 minimize vibration
Oversized anti-friction 
 bearings

Simple to maintain
Cast and ductile iron 
 materials for construction
 
 provide excellent strength and 
 corrosion resistance

Unique labyrinth seals for 
 effective protection against oil 
 contamination of gas stream
Compatible with all vacuum 
 systems

Efficient air-cooled design
Totally enclosed fan-cooled 
 motor
with direct drive units

Applications

Upgrade of an existing 
 vacuum pumping system
to a 
 higher capability
Multi blower packages for 
 massive capacities at very low 
 pressures
Can be mounted separately 
 from the backing pump or 
 directly on the inlet of the 
 backing pump

Benefits

Handles large gas loads at low 
 pressures
Fast pumpdown cycle on 
 applications with operating 
 pressures as low as 10 microns 
 (.01 torr)

Specifications for High Vacuum Blowers


Model

TEFC Direct Drive V-belt Drive
306 310 607 615 622 306 310 607 615 622
Displacement* cfm
m3/hr
125 245
212 416
400
680
600
1020
1300
2210
2000
3400
245
416
400
680
950
1615
2000
3400
3000
5100
Motor** hp
kw
1.5 2.0
1.1 1.5
2.0
1.5
5.0
3.8
10.0
7.5
15.0
11.2
*** *** *** *** ***
Inlet&Qutlet
Flanges-ASA
in. 3 4 6 8 8 3 4 6 8 8

*For operation with direct dive @ 50 Hz, pump speed is 5/6 of that shown. If unit is belt driven, pulley ratio can be changed to compensate.
**Size dependent on operating conditions.
***Depending on system operation. Consult factory for application assistance.
Request Bulletin 590-7


High speed 6 in. vacuum blowers substantially boost pumping capacity, decreasing cycle times significantly for high out-gassing applications. Water-cooled bearing housings prevent overheating achieving longer bearing and seal life.

Features
Four mechanical seals separate process gases from lubricating oils
Oil injection technology option allows continous operation at higher inlet pressures
Helical timing gears maximize load capacity, ensure quiet operation and ease of timing
Water cooled for maximum life
Two-year limited warranty

Specifications
Model 615-HSV (or H) 622-HSV (or H)
Displacement
@ 3600 rpm, cfm (m3/hr)
2600 (4420) 3900 (6630)
Inlet & outlet flanges, in. ASA 8 8
Max, pressure differential, torr 380 250
Max, temperature rise, ℉(℃) 375 (191) 350 (177)
Dimensions in.
l × w × h (mm)
33.1 × 16.0 × 21.4
(841 × 406 × 543)
40.1 × 17.3 × 21.4
(1018 × 438 × 543)


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