KRAL C Series - Rating Plate; 4 Technical Data; Operating Limits

4 Technical data
3.2 Rating plate
3.2 Rating plate
KRAL GmbH, 6890 Lustenau, Austria
www.kral.at
KRAL GmbH, 6890 Lustenau, Austria
www.kral.at
pS max. / pD max.
Ty p
| Type
SN | Serial no.
Tmin. / Tmax.
ºC
l/min
mm²/s
kg
min
-
¹
bar
bar
∆p
Jahr | Year Gewicht | Weight
n
Q
Art.-Nr. | Item no.
1
2
3
5
4
10
7
9
8
6
11
Fig.2: Rating plate
1 Construction year
2 Max. operating overpressure
suction-side / Max. operating
overpressure pressure-side
3 Temperature range
4 Serial number
5 Type
6 Article number
7 Differential pressure
8 Nominal delivery rate
9 Rated speed
10 Nominal viscosity
11 Weight
4 Technical data
4.1 Operating limits
Size
Parameter Unit 15–
26
32–
42
55–
85
105–
118
160–
210
235–
275
370–
450
550–
880
851–
951
1101–
1301
1501–
1701
2250 2850–
3550
Max. operating overpres-
sure
o Pump with flange PN40
[bar] 40
o Pump with flange PN63
[bar] 63
Max. temperature of the
pumped liquid
o Standard mechanical
seal
[°C] 150
o Mechanical seal of
hard material
[°C] 180
o Mechanical seal with
quench
[°C] 150
o Mechanical seal
balanced
[°C] 180
o Mechanical seal with
throttle ring
[°C] 180
o Shaft seal PTFE with
quench
[°C] 80
o Standard radial shaft
seal
[°C] 150
o High-pressure radial
shaft seal
[°C] 90
o Stuffing box packing
[°C] 80
o Inner bearing
[°C] 180
o Outer bearing
[°C] 180
o Shaft seal special
design
[°C] Customer-specific, contact the manufacturer
Min. temperature for pump
materials
[°C] -10
Min.–max. ambient
temperature
[°C] -10 ... 50
8
OIC 18en-GB Edition 2020-01
Operating instructions