Flowserve 2 Series P2 Type - Manual (Page 6)

6
Flow Control Division
Kammer Control Valves
in section 1.1.
8.1.2.2 Remove all case retaining screws (20).
8.1.2.3 Remove the upper case half (22).
8.1.2.4 With a suitable press compress the spring set.
8.1.2.5 Secure the actuator stem (10) against rotating with a wrench
across the flats on the stem’s lower part and remove the
lock nut (24) and nut (32).
8.1.2.6 Remove following parts:
washer (1), diaphragm (29), piston (28), spring set (30),
spring plate (27), plate (26) and spacer (25).
8.1.2.7 With a hooked spanner loosen and remove the slotted nut
(9).
8.1.2.8 Remove the guide (4) and upper yoke plate (8).
8.2 ASSEMBLE ACTUATOR
(refer to Figs. 1 and 2)
8.2.1 Actuator action spring-to-close
8.2.1.1 Insert the guide (4) into the lower body half.
8.2.1.2 Replace the upper yoke plate ensuring that the nose in the
lower body rests in the bore of the upper yoke plate (see
fig. 2).
8.2.1.3 Refit the slotted nut (9) and tighten with a hooked
spanner.
Fig. 1: Series 1 On-Off Actuator, Air-to-Open
1
2
3
4
5
2
6
7
8
9
10
11
12
13
14
15
16
17
18
31
19
21
20
18
22
23
24
32
25
26
27
28
29
7
30
1 Washer
2 Bushing
3 O-Ring 22 x 2
4 Guide
5 O-Ring 32,99 x 2,62
6 Lower body
7 Flange
8 Yoke plate
9 Nut M 38 x 1,5
10 Actuator stem
11 Yoke rod
12 Coupling half
13 Screw
14 Coupling insert
15 Nut
16 Yoke plate
17 Washer, Ø 6,4
18 Nut, M 6
19 Travel indicator, assy.
20 Screw M 6 x 25
21 (De)Compression screw
22 Upper body
23 Vent plug
24 Locknut
25 Spacer
26 Plate
27 Spring plate
28 Piston
29 Diaphragm
30 Spring set
31 Nut
32 Nut
8.2.1.4 Refit the actuator stem (10), washer (1), diaphragm (29),
piston (28), spring set (30), spring plate (27), plate (26)
and spacer (25)
8.2.1.5 Secure the actuator stem (10) from rotating with a wrench
across the flats on the stem’s lower part and retighten the
nut (32) to the torque shown in table 2. Replace locknut
(24) and secure with loctite 221.
8.2.1.6 Replace the upper case half.
8.2.1.7 Insert 3/4 longer (de)compression screws (21) (see table
2) through the upper and lower actuator case halves and
tighten with long nuts (31) in equal measures until the
casing halves contact.
8.2.1.8 Insert and tighten all remaining short case retaining screws
(20) to a torque value of 12 Nm.
Fig. 2: Anti-rotation device