INTERNATIONAL V-BELT STANDARDS

TYPE OF DARWIN PLUS OTHER INTERNATIONAL STANDARDS
 V-BELTS  V-BELTS KS ISO RMA JIS DIN BS
Z
M
Z
-
M
10
Z
A
A
A
13C
A
13
A
Classical
B
B
B
16C
B
17
B
V-Belts
C
C
C
22C
C
22
C
D
D
D
32C
D
32
D
E
E
E
-
E
40
-
3V/SPZ
3V
SPZ
9N
3V
SPZ
SPZ
Wedge
5V/SPB
5V
SPB
15N
5V
SPB
SPB
V-Belts
8V
8V
-
25N
8V
-
-
SPA
-
SPA
-
-
SPA
SPA
SPC
-
SPC
-
-
SPC
SPC
KS : Korean Industrial standards
ISO : International Organization for Standardization
DIN : Deutsche Industrie Norman 
JIS : Japanese Industrial Standard 
RMA : Rubber Manufacturers Association
BS : British Standards