Danfoss PAHT - Paht 50-90

24 | 180R9288_AQ109686503100en-001301 © Danfoss | 2023.12
Operation guide Installation, Operation and Maintenance Manual for PAHT 20-90 pumps
Pump size 50 63 70 80 90
Code number PAHT 180B0085 180B0086 180B0087 180B0088 180B0089
Housing material AISI 316 or
higher
AISI 316 or
higher
AISI 316 or
higher
AISI 316 or
higher
AISI 316 or
higher
Geometric displacement cm³/rev 50 63 70 80 90
in³/rev 3.05 3.84 4.27 4.88 5.49
Pressure
Min. outlet pressure barg 30 30 30 30 30
psig 435 435 435 435 435
Max. outlet pressure barg 80 160 160 160 160
psig 116 0 2321 2321 2321 2321
Inlet pressure, continuous barg 0-6 0-6 0-6 0-6 0-6
psig 0-87 0-87 0-87 0-87 0-87
Max. inlet
1)
pressure, peak barg 20 20 20 20 20
psig 290 290 290 290 290
Speed
Min. speed rpm 700 700 700 700 700
Min. speed,
continuous
rpm
1000 1000 1000 1000 1000
Max. speed rpm 1800 1800 1800 1800 1800
Typical ow - Flow curves available in section 5
1000 rpm at max. pressure l/min 43.7 50.5 57.7 68.3 77. 6
1500 rpm at max. pressure l/min 68.7 82.1 92.9 108.5 122.6
1200 rpm at max. pressure gpm 14.0 16.4 18.7 21.9 24.9
1800 rpm at max. pressure gpm 21.8 26.3 29.6 34.5 38.9
Typical motor size
1500 rpm at max. pressure kW
50 Hz
11 30 30 37 45
1800 rpm at max. pressure hp
60 Hz
20 50 50 60 75
Torque at max. outlet
pressure
Nm 68.5 172.6 191.8 219.8 246.6
lbf-ft 50.6 127. 4 141.5 162.2 182.0
Media temperature °C 2-50 2-50 2-50 2-50 2-50
°F 37-122 37-122 37-122 37-122 37-122
Ambient temperature °C 0-50 0-50 0-50 0-50 0-50
°F 32-122 32-122 32-122 32-122 32-122
Sound pressure level
2)
dB(A) 80 80 80 80 81
Weight kg 34 34 34 34 34
lbs 75 75 75 75 75
4.3 PAHT 50-90
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.