22
Festo — VTSA-F-CB — 2021-06a
Product overview
Variants of the reversible pressure regulator plates
ID code
Circuit symbol
Description
Control
range [bar]
Pressure regulator plate for port (2), reversible (B-regulator)
ZL, ZLY
–
Reversible valves required
–
The pressure regulator can be adjusted
in any state.
£
10
ZN, ZNY
£
6
Pressure regulator plate for port (4), reversible (A-regulator)
ZK
–
Reversible pressure regulator for port
(4)
£
10
ZM
£
6
Pressure regulator plate for ports (2) and (4), reversible (AB-regulator)
ZE, ZEY
–
reversible valves required
–
Regulates the pressure upstream of the
directional solenoid valve
–
The operating pressure is diverted from
duct (1) to ducts (3) and (5).
–
The exhaust air is diverted from
ducts (3) and (5) to duct (1).
–
The pressure regulator can be adjusted
in any state.
£
10
ZI, ZIY
£
6
Tab. 17: Variants of the reversible pressure regulator plates
Reversible pressure regulators cannot be combined with the following valves:
• 2x 3/2-way valves (ID code H, QH, K, QK, N, QN)
These valves require operating pressure in duct (1) for pneumatic spring return.