7 ND90 71 en
15
Fig. 6
Operation directions and air connections, ND9000F and ND9000P
SINGLE-ACTING ACTUATOR, SPRING TO OPEN
SINGLE-ACTING ACTUATOR, SPRING TO CLOSE
DOUBLE-ACTING ACTUATOR
Self closing
Default setting:
ROT = cC (close valve to clockwise)
ATYP = 2-A
PFA = CLO
A0, CUTL and VTYP according to valve type
3. Self closing
Default setting:
ROT = cC (close valve to clockwise)
ATYP = 1-A
PFA = CLO (must be in the spring direction)
A0, CUTL and VTYP according to valve type
4. Self opening
Default setting:
ROT = cC (close valve to clockwise)
ATYP = 1-A
PFA = OPE (must be in the spring direction)
A0, CUTL and VTYP according to valve type
1.
DOUBLE-ACTING ACTUATOR, REVERSED PIPING
Self opening
Default setting:
ROT = cC (close valve to clockwise)
ATYP = 2-A
PFA = OPE
A0, CUTL and VTYP according to valve type
2
.