Flowserve ROTADISK RD - Page 9

ROTADISK Pneumatic Actuator RD & RDF
Operating Manual – BA3002 EN
Page 7 of 79
Available spring packages with number of springs for ROTADISK Type RDF single-action
(spring-loaded return)
Spring package
Number of
large springs
Number of
small springs
Number of
special springs
(“medium”)
-1
0
2
0
-1.5
1
1
0
-2
2
0
0
-2.5
2
1
0
-3
2
2
0
-1.3
0
1
1
-1.8
0
0
2