74 | 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
14 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 13: Displacement figures
Displacement figures
Elastomer
hardness
[Shore A]
Size
42 HE
48 HE
65 HE
80 HE
100 HE
125 HE
150 HE
200 HE
G 65 HE G 80 HE
G 125 HE G 150 HE G 200 HE
Perm. radial displacement
with n = 1500 rpm
K
r
[mm]
40
3)
1.1
1.2
1.6
1.8
2.2
2.5
2.8
3.0
50
3)
1.0
1.1
1.5
1.7
2.0
2.3
2.5
2.7
65
2) 3)
0.5
0.5
0.7
0.8
1.0
1.1
1.3
1.5
Perm. radial displacement
with n = 3000 rpm
K
r
[mm]
40
3)
0.8
1.1
1.4
1.6
2.0
2.2
2.5
2.8
50
3)
0.7
1.0
1.3
1.5
1.8
2.0
2.2
2.5
65
2) 3)
0.4
0.4
0.5
0.6
0.8
0.8
1.0
1.2
Max. radial displacement
K
r max.
[mm]
1)
40
3)
3.6
3.8
5.1
5.7
6.5
7.5
8.0
8.5
50
3)
3.3
3.5
4.7
5.3
6.0
6.9
7.5
8.0
65
2) 3)
1.5
1.7
2.2
2.4
3.0
3.3
4.0
4.5
Perm. angular displace-
ment with n = 1500 rpm
K
w
[°]
40
3)
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
50
3)
0.75
0.75
0.75
0.75
0.75
0.75
0.75
0.75
65
2) 3)
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
Perm. angular displace-
ment with n = 3000 rpm
K
w
[°]
40
3)
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
50
3)
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
65
2) 3)
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
Max. angular displace-
ment
Kw max. [°]
1)
40 / 50 / 65
2) 3)
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
Perm. axial displacement
K
a
[mm]
40 / 50 / 65
2) 3)
±2
±2
±2
±2
±3
±3
±5
±5
1)
For short-term start-up operation
2)
With size 125 = 70 ShA
3)
applies for compound T as well
Table 14: Displacement figures of HEW Compact
Displacement figures
Size
42-130
65-180
80-225
100-305
125-365
Elastomer hardness
[Shore A]
T50
T65
T70
T50 T65 T70
T50
T65
T70 T50 T65 T70 T40
T52
T65
Max. axial displacement
K
a
[mm]
± 2
± 2
± 2
± 2
± 2
Max. radial displacement
with n=1500 rpm
K
r
[mm] ±
±1.1
±1
±0.5 ±1.6 ±1.5 ±0.7 ±1.8 ±1.7 ±2.2 ±2.2
±2
±1
±2.5 ±2.3 ±1.1
Max. radial displacement
with n=3000 rpm
K
r
[mm]
±0.55 ±0.5 ±0.25 ±0.8 ±0.75 ±0.35 ±0.9 ±0.85 ±1.1 ±1.1
±1
±0.5 ±1.25 ±1.15 ±0.55
Max. angular displace-
ment with n=1500 rpm
K
w
[°]
±1 ±0.75 ±0.5
±1 ±0.75 ±0.5
±1 ±0.75 ±1
±1
±0.75
±0.5
±1
±0.75 ±0.5
Max. angular displace-
ment with n=3000 rpm
K
w
[°]
±0.5 ±0.4 ±0.25 ±0.5 ±0.4 ±0.25 ±0.5 ±0.4 ±0.5 ±0.5
±0.25 ±0.25
±0.5 ±0.4 ±0.25
4
Assembly
4.4 Displacements - alignment of the couplings
