16
PZDS/EZDS-IM-DE-B-EN-01-23 Rev.0
3. Product description
The 2/2-way automatic butterfly valve of
PZDS/EZDS type is a combination of the fol-
lowing components:
•
Butterfly valve of Sylax type
and one of the following rotary actuators
(according to order):
PKI (pneumatic)
•
agturn Type GD-032 till 040 and
Type GD/GS-052 till 400
•
actubar Type AD-001 and
Type AD/AS-002 till 1200
EKI (electric)
•
electric rotary actuator of company
Valpes
The valve is operated pneumatically (dou-
ble- and single-acting) or electrically and is
characterized by a long service life and high
operational safety.
Product features:
•
Conformity Directive 97/23/CE PED
•
Conformity Directive 94/9/CE ATEX
•
Checking tightness acc. EN12266-1
•
Checking antistatic acc. EN12266-2
•
Very good force transmission due to
robust multiple toothing between shaft
and valve disc
•
Easy maintenance and anti-blowout
shaft due to circlip
•
Disc and collar are replaceable
•
Shaft and housing without contact to
medium
•
Self-lubricating bearing bushes
•
Anti-blowout spindle
•
Usage also with vacuum and high flow
velocities
•
Alternatively also can be delivered with
detent lever or gearbox.
3.1 Butterfly valve
The butterfly valve of Sylax type is intended for installation in piping systems. Its function is
to shut off or regulate a medium in pipelines.
3.2 Rotary actuator
The rotary actuator is used for the automatic actuation of industrial valves continuously
moving between the end positions.
