Pfeiffer Vacuum ACP 28 CP, Operating Instructions Manual

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12 Technical data and dimensions
12.1 General
Basic principles for the Technical Data of Pfeiffer Vacuum dry compact multi-stage Roots pumps:
● Recommendations of PNEUROP committee PN5
● ISO 21360; 2007: “Vacuum technology - Standard methods for measuring vacuum-pump perform-
ance - General description”
● Sound pressure level at ultimate pressure according to EN ISO 2151
12.2 Technical characteristics
Characteristics Units ACP
28 40
SH-CP-SD G-LG CV SH-CP-SD G-LG CV
Inlet flange (ISO-KF) DN 25 DN 40
Exhaust flange (ISO-KF) DN 25 DN 25
Pumping speed max. m 3 /h 27 37
Typical ultimate pressure (without
purge or gas ballast) hPa
3·10 - 2
Typical ultimate pressure (with
gas ballast open) hPa
1·10 - 1
-
2·10 - 1 1·10 - 1
-
2·10 - 1
Typical ultimate pressure (with
purge)
(3)
hPa -
1·10 -1 1·10 -1
-
1·10 -1 1·10 -1
Typical ultimate pressure (with
purge
(3)
and gas ballast open)
hPa - 8·10 -2 - - 8·10 -2 -
Typical ultimate pressure (with
purge
(3) and gas ballast open)
hPa - -
2·10 -1
- -
2·10 -1
Maximum ultimate pressure (with-
out purge or gas ballast) hPa
4·10 - 2
Maximum ultimate pressure (with
gas ballast open) hPa
2·10 - 1
-
3·10 - 1 2·10 - 1
-
3·10 - 1
Maximum ultimate pressure (with
purge)
(3)
hPa -
2·10 - 1 2·10 - 1
-
2·10 - 1 2·10 -1
Maximum ultimate pressure (with
purge
(3) and gas ballast open)
hPa - -
3·10
-1 - -
3·10
-1
Max. pumping capacity of pure
water vapor at 20°C (gas ballast
open)
(2)
g/h 120 - 700 120 - 700
Continuous inlet pressure hPa 1013
Maximum exhaust pressure hPa 1200
N
2
Purge flow
(3) slm - 3.7 40 - 3.7 40
Gas ballast flow at atmospheric
pressure
m 3 /h
1.2 - 2.4 1.2 - 2.4
Sound level (gas ballast and
purge closed) dB(A) < 70 < 70 < 70 < 70 < 70 < 70
Helium leak rate
(4) (5) hPa l/s < 5·10 -7
CP only < 5·10 -8
< 5·10
-7
< 5·10
-7
< 5·10
-7
CP only < 5·10 -8
< 5·10
-7
< 5·10
-7
Technical data and dimensions
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