22 | 180R9289 | AQ109686503106en-001102
© Danfoss | 2023.01
Operation guide
Installation, Operation and Maintenance Manual for PAHT 256-308 pumps
4.
Technical data
4.1 PAHT 2-12.5
Pump size
2
3.2
4
6.3
10
12.5
Code number PAHT
180B0031
180B0077
180B0030
180B0029
180B0032
180B0033
Housing material
AISI 304
AISI 304
AISI 304
AISI 304
AISI 304
AISI 304
Geometric
displacement
cm³/rev
2
3.2
4
6.3
10
12.5
in³/rev
0.12
0.20
0.24
0.38
0.61
0.76
Pressure
Min. outlet
pressure
barg
10
10
10
10
10
10
psig
145
145
145
145
145
145
Max. outlet
pressure
barg
100
100
100
100
140
140
psig
1450
1450
1450
1450
2031
2031
Inlet pressure,
continuous
barg
0-4
0-4
0-4
0-4
0-4
0-4
psig
0-58
0-58
0-58
0-58
0-58
0-58
Max. inlet
1)
pressure, peak
barg
4
4
4
4
4
4
psig
58
58
58
58
58
58
Speed
Min. speed
rpm
1000
1000
1000
1000
1000
1000
Min. speed,
continuous
rpm
1000
1000
1000
1000
1000
1000
Max. speed
rpm
3000
3000
3000
3000
2400
2400
Typical flow - Flow curves available in section 5
1000 rpm at
max. pressure
l/min
0.7
2.0
3.0
5.5
7.6
10.2
1500 rpm at
max. pressure
l/min
1.7
3.6
5.0
8.6
12.6
16.5
1200 rpm at
max. pressure
gpm
0.3
0.7
1.0
1.8
2.5
3.3
1800 rpm at
max. pressure
gpm
0.6
1.2
1.6
2.7
4.0
5.3
Typical motor size
1500 rpm at
max. pressure
kW
50 Hz
0.75
1.1
1.5
2.2
4.0
5.5
1800 rpm at
max. pressure
hp
60 Hz
1.0
1.5
2.0
3.0
7.5
7.5
Torque at max.
outlet pressure
Nm
4.4
6.7
8.1
12.4
25.6
31.7
lbf-ft
3.2
4.9
6.0
9.2
18.9
23.4
Media
temperature
°C
2-50
2-50
2-50
2-50
2-50
2-50
°F
37-122
37-122
37-122
37-122
37-122
37-122
Ambient
temperature
°C
0-50
0-50
0-50
0-50
0-50
0-50
°F
32-122
32-122
32-122
32-122
32-122
32-122
Sound
pressure level
2)
dB(A)
76
76
76
76
75
75
Weight
kg
4.4
4.4
4.4
4.4
7.7
7.7
lbs
9.7
9.7
9.7
9.7
17.0
17.0
1)
1% per minute peak, 10% per minute during start up.
2)
Measurements according to EN ISO 3744: 2010 / dB(A) [L
PA, 1m
] values are calculated.
Measured at max pressure and rpm for a motor pump unit.
Data sheet
