Danfoss APP series

66 | 180R9346 | AQ240486503020en-001702 © Danfoss | 2023.03
Operation guide Installation, Operation and Maintenance APP 53-92 pumps
BoWex-ELASTIC
®
Operating/Assembly instructions
Type HEW, HEW Compact and HEW-ZS
KTR-N
Sheet:
Edition:
40114 EN
6
of 22
7
Please observe protection
note ISO 16016.
Drawn:
2017-04-24 Shg/Hk
Replacing:
KTR-N dated 2013-06-10
Verified:
2017-04-24 Shg
Replaced by:
Table 5: Continuation of Dimensions – type HEW-ZS
1)
Size
Dimensions [mm]
Spacer HEW-ZS
L
Z
[mm]
Weight
with
max.
bore
[kg]
Mass moment of
inertia [kgm
2
]
l
4
l
5
l
6
100 120 140 180 250 J
A
J
L
48
55
45
45


6.9
0.0203
0.0050
65
75
63
56


16.0
0.0747
0.0160
80
80
70
75


25.5
0.1447
0.0699
G 80
90
78
75


34.2
0.2752
0.1412
100
111.5
110
76


54.0
0.8459
0.0992
125
170
171
76


84.2
1.1814
0.3017
G 125
170
157
76


93.5
1.6853
0.3690
1)
Torques of BoWex-ELASTIC
®
type HEW-ZS see table 2.
BoWex-ELASTIC
®
couplings with attachments that may generate heat, sparks and static
charging (e. g. combinations with brake drums, brake disks, overload systems such as torque
limiters, fans etc.) are not permissible for the use in potentially explosive atmospheres.
A separate analysis must be performed.
!
For a long-lasting and failure-free operation of the coupling it must be selected according to
the selection instructions (according to DIN 740 part 2) for the particular application (see
catalogue drive technology "BoWex-ELASTIC
®"
).
If the operating conditions (performance, speed, modifications on engine and machine)
change, the coupling selection must be reviewed.
Please make sure that the technical data regarding torque refer to the elastomer part only.
The transmittable torque of the shaft-hub-connection must be reviewed by the customer and
is subject to his responsibility.
For drives subject to torsional vibrations (drives with cyclic stress due to torsional vibrations) it is necessary to
perform a torsional vibration calculation to ensure a reliable selection. Typical drives subject to torsional vibrations
are e. g. drives with diesel engines, piston pumps, piston compressors etc. If requested, KTR will perform the
coupling selection and the torsional vibration calculation.
Please read through these operating/assembly instructions carefully before you start up the coupling.
Please pay special attention to the safety instructions!
The BoWex-ELASTIC
®
coupling is suitable and approved for the use in potentially explosive atmos-
pheres. When using the coupling in potentially explosive atmospheres, please observe the special
advice and instructions regarding safety in enclosure A.
The operating/assembly instructions are part of your product. Please store them carefully and close to the cou-
pling.
The copyright for these operating/assembly instructions remains with KTR.
1 Technical data
2 Advice
2.1 Coupling selection
2.2 General advice