1
Design
and
principle
of
operation
The Type 3535 Three-way Valve is con-
structed on the modular assembly principle
and can be combined with a pneumatic or
electric actuator as follows:
Valve
Actuator
3535-P
Pneumatic
3371-01xx
3535-IP
Electropneumatic
3372-03xx
3535-E1
Electric
5824-30
3535-E3
3374
Design and principle of operation
4
EB 8135/8136 EN
AB
A AB
A
B
B
2.2
12.2
12
12.1
2.1
1
1.1
6
6.1
6.2
9
5.3
5
5.2
X
10.1
10.2
10.3
5.4
1.2
8.1
8.2
7
4
4.1
4.2
4.3
5.1
3.2
3.1
10.3
10.2
10.1
3.1
X
3.2
12
12.1
12.2
Fig. 2 · Sectional drawing (DN 32 bis 50), plug arrangement for mixing valve (left) and diverting valve (right)
5.3
Seal
5.4
Flange
6
Plug stem
6.1
Stem connector nut
6.2
Lock nut
7
Stem connector
8.1
Actuator stem
8.2
Rod-type yoke
9
Nut
10.1 Sleeve
10.2 Sleeve (short)
10.3 Sleeve
12
Nut
12.1 Washer
12.2 Lock washers
X
Position for open-end
wrench
1
Valve body
1.1
Nuts
1.2
Body gasket
2.1
Top seat
2.2
Bottom seat
3.1
Top plug
3.2
Bottom plug
4
Threaded bushing
4.1
Bushing
4.2
Packing (spring-
loaded in DN 65
and higher)
4.3
Washer
5
Bellows seal with
plug stem
5.1
Coupling nut
5.2
Bellows housing