Danfoss PAHT - Connections; Paht 20-32; Paht 50-90

50 | 180R9288_AQ109686503100en-001301 © Danfoss | 2023.12
Operation guide Installation, Operation and Maintenance Manual for PAHT 20-90 pumps
3.5 Connections 3.5.1 PAHT 20-32
PAHT 20/25/32
Outlet (O) Inlet (I) Bleeding (C) Gauge 1/4” ports
Thread, ISO
3/4” BSPP with
16 mm long thread
1 1/4” BSPP with
20 mm long thread
M6 (width
across at = 5mm)
1/4” BSPP with
15 mm long thread
Max tighten torque
90 Nm*
(66 lb(f)ft)
150 Nm*
(110 lb(f )ft)
4 Nm*
(3 lb(f)ft)
15 Nm*
(11 lb(f )f t)
* Recommended torque values refer to steel washers containing a rubber sealing element.
3.5.2 PAHT 50-90
I Inlet
O Outlet
C Bleeding
XI Gauge port inlet*
XO Gauge port oulet*
PAHT 50/63/70/80/90:
10 × 8 × 45.2 DIN 6885
* There are two 1/4” ports on the inlet side for
optional mounting of ie switches for low pressure
and temperature.
There is one 1/4” port on the outlet for optional
mounting of i.e. pressure transducer.
XI
C
I
XI
XO
O
C
XI
C
C
I
XI
X0
O
I Inlet
O Outlet
C Bleeding
XI Gauge port inlet*
XO Gauge port oulet*
Parallel key:
PAHT 20/25/32: 8 × 7 × 32, DIN 6885
* There are two 1/4” ports on the inlet side for
optional mounting of ie switches for low pressure
and temperature.
There is one 1/4” port on the outlet for optional
mounting of i.e. pressure transducer.