OPERATING MANUAL
Pneumatic rotary drive units type ST | DT
Wesa-Armaturen GmbH
Phone
+49 (0)7181-404-0
Mailto
Page
8
Spanninger Str. 5
Fax
+49 (0)7181-404-33
Http
www.wesa-armaturen.de
Operating manual
D-73650 Winterbach
Drive units ST | DT
Date of issue 10-2019
Part No.
Quantity –
DT
Quantity –
ST
Description
Quantity
Series
1
1
1
Servo drive unit housing
2
2
2
Servo drive unit head
3
1
1 *
Blind piston (standard piston)
4
1
1 *
Perforated piston (standard piston)
5
2
2
Piston O-ring seal
2
O-ring
6
2
2
Piston guide ring
2
Guide
7
2
2
Piston guide slide
2
Guide
8
2
2
Head O-ring seal
2
O-ring
9
1
-
Inner regulator rod
10
1
-
Piston stop O-ring seal
11
1
-
Piston stop guide bushing
12
1
-
Stop ring guide bushing
13
1
2
External regulator pin
14
2
2
Regulator O-ring seal
2
O-ring
15
2
2
Regulator O-ring seal washer
16
1
1
External regulator bolt nut
17
1
1 *
Internal regulator bolt nut
18
1
1
Pinion stop elastic ring
19
1
1
Upper washer for pinion
1
Guide
20
1
1
Upper O-ring seal for pinion
1
O-ring
21
1
1
Upper guide ring for pinion
1
Guide
22
1
1
Pinion
23
1
1
Lower guide ring for pinion
1
Guide
24
1
1
Lower O-ring seal for pinion
1
O-ring
25
8
8
Head fastening screws
26
0
9
Spring inserts
