Festo Фиксаторы KPE - Manual (Page 25)

DNCKE-.../KEC-...
Festo DNCKE-.../KEC-... 0204NH English
25
Fitting the pneumatic components
S Check whether the following accessories are required:
Title Type Function
Non-return valves HGL-... Slow pressure decrease with loss of
compressed air
Compensation reservoir VZS-... Reducing pressure fluctuations in the
subsequent compressed air line
Fig. 12
S Use a one-way flow control valve type GRLZ-..., type GRLA-... directly in the
relevant compressed air port.
Actuating the clamping cylinder:
S Select the actuation to suit your application.
Example
Protection against pressure failure Moving to a clamping position
The piston rod is clamped even if there is
a pressure failure The clamping can be loosened if both
cylinder chambers are pressurized (this
is to avoid a jerky movement when the
piston rod extends).
Fig. 13