Control systems Desuperheaters
4
Actuator parts list Item Description 1 Cylinder 2 Cover 3
3
2
4
Blanking bolt (Thread 5/16/18 UNC)
5
4 5 6 7 8
Bolt (cover)
10
Washer (cover)
Bolt (piston)
6
Washer (piston)
7
Piston
9
9*
Piston O-ring (Buna N)
10*
Cover O-ring (Buna N)
8
11
Spring
12 13 14 15 16
Stem
11
Bushing guide
12
Stroke indicator
4.8 29
Bolt (stroke indicator)
25
Screw (stroke nameplate)
1
17
Stroke nameplate
18 19
Nameplate
13
Yoke
24
23*
Split ring
24
Screw lock (cylinder)
23
25
Stroke limiter
15
39
Bolt (yoke)
* Recommended spare parts (see page 11)
14
18
19
16
17
39
TI-P605-10 TES Issue 5
Page 7 of 11
DA Series Variable Area Desuperheaters
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