
Installation and Operational Instructions for
ROBA
®
-ES Couplings Type 94_._ _ _._ Sizes 14
– 65
(B.9.6.EN)
11/03/2022 TK/GH/GC/MD
Chr. Mayr GmbH + Co. KG
Eichenstraße 1, D-87665 Mauerstetten, Germany
Phone: +49 8341 804-0, Fax: +49 8341 804-421
Page 14 of 29
Table 12: Radial Spring Rigidities
Size
Static radial spring rigidity
C
r
80 Sh A
[N/mm]
C
r
92 Sh A
[N/mm]
C
r
98 Sh A
[N/mm]
C
r
64 Sh D
[N/mm]
C
r
72 Sh D
[N/mm]
14
180
300
470
960
-
19
700
1200
2100
2700
4100
24
800
1900
2800
4200
7100
28
950
2100
3500
4900
9200
38
1300
2900
4800
5600
12000
42
3400
4100
5400
6900
16000
48
3750
4500
6200
8200
18000
55
4730
5680
8200
22500
-
65
6360
7640
13120
36000
-
Only available as Type 940._11.P
14-32
180
300
470
960
-
19-37.5
560
960
1680
2160
-
24-50
600
1500
2100
3200
-
Table 13: Elastomeric Element Hardnesses and Permitted Temperature Ranges
Elastomeric element hardness
[Shore]
Color
Permitted temperature range
Permanent temperature
Max. temperature
80 Sh A
blue
-50 °C to +80 °C
-60 °C to +120 °C
92 Sh A
yellow
-40 °C to +90 °C
-50 °C to +120 °C
98 Sh A
red
-30 °C to +90 °C
-40 °C to +120 °C
64 Sh D
green
-30 °C to +100 °C
-40 °C to +140 °C
72 Sh D
grey
-20 °C to +110 °C
-20 °C to +150 °C