GE Masoneilan VariPak 28001 Instruction Manual page 21

Figure 24 - Cross-section of the VariPak 28002 adjustable-C v actuator and the 7700P positioner
Ref. Qty Part Name
1 1/4" NPT pipe plug
Δ ☐
1
1 Seat-ring gasket
Ο 2
1 Seat ring C
a
1 Seat ring C
b
1 Seat ring C v max. 0.25 and
3 c
0.60
1 Seat ring C
d
1 Seat ring C v max. < 0.10
☐
e
1 Spacer C
☐
3 f v max. < 0.10
1 Seat-ring retainer
4
1 Packing spacer
5
1 Packing ring
Ο
6
2 Packing flange stud
7
2 Mounting nut
8 a
2 Packing flange nut
8 b
1 Packing follower
9
1 Packing flange
10
1 Safety pin
11
1 Plug/stem C
a
1 Plug/stem C
b
12
1 Plug/stem C
c
1 Plug/stemC
d
1 Body C
13 a v max. < 3.8
1 Body C
13 b v max. 3.8
1 Pivot pin No. 3 (22/108)
18
1 I/P module
20
1 Lever No. 1
21
1 Lever No. 2
22
1 Adjustment pin
23
1 C
v adjustment knob
24
1 C
v adjustment plate
25
2 Adjustment plate screw
26
4 Screw
27
1 O-ring
Ο
28
1 O-ring
Ο
29
1 O-ring
Ο 30
Ο Recommended spare parts
☐ Complete subassembly includes: plug and stem (183),
retaining ring (182), seat ring (3e) and spacer (3f) (see
figure 2).
Only for pneumatic positioner.
See Figure 2.
Ref.
101
102
v max. 3.8 103
v max. 2.3 and 1.2 104
105
v max. 0.10 106
Ο 107
108
109
110
112 (a, b, c)
114
115
116
117
118
119
v max. 3.8 120
v max. 2.3 121
v max. 1.2 & 0.6
122
v max. 0.25 & 0.10 123
124
125
126
127
129
130
131
133
134
135
Ο
136
137
138
139
See table in figure 23.
Only for handwheel (optional) (fig. 5).
Ο Complete subassembly includes Ref. Nos. (155, 156
and157).
■ Not shown.
PARTS LIST
Qty Part Name
1 Grommet support plate
1 Spring button
1 Locknut
2 Clevis
1 Pivot pin No. 1
1 Conical compression spring
1 Grommet
1 Actuator bracket
2 Cover screw
1 Cover
6 Retainer clip
1 Balance spring
1 Spring clamp
1 Take-up screw
1 Locknut
1 Handwheel locknut
1 Handwheel bushing
1 Handwheel
1 Handwheel lock
1 Lever arm stop
1 Cover plug
1 Pivot pin No. 4
1 Locknut
1 Indicator
1 Indicator plate
2 Indicator plate screw
2 Speed nut
1 Piston S/A
2 Serial plate screw
1 Actuator spring
1 Serial plate
1 Diaphragm
1 Diaphragm cover
1 Union elbow t(incl. 138a)
1 Cover cap screw
Masoneilan VariPak Adjustable Cv Control Valves Instruction Manual
Ref. Qty
1 Tubing
140
4 Screw
141 (a, b)
1 Output gauge
142
1 Instrument gauge
143
1 Manifold block
144
1 to 5 Shim
145
Ο 1 Gasket (includes 171 & 172)
146
1 Positioner block
147
2 Slotted flat. c screw
148
Ο 1 Positioner diaphragm S/A
152
Ο
1 O-ring
153
1 Spring
154
♥
Ο 1 Sleeve
155
Ο 1 Spool
156
Ο
1 Spring
157
1 Spring
158
Δ 159
2 Switch
Δ 160
4 Screw
Δ 161
4 Washer
Δ 162
4 Nut
Δ 163
4 Wire
Δ 164
1 Terminal
165 2 Logo
■
168 1 Cover washer
170 2 Signal decal
1 O-ring
171
■
1 O-ring
172
■
173 1 Cover plug
180 1 Limit stop
▼
181 1 Locknut
▼
182 1 Retaining ring (C v max. <0.10)
183 1 Plug (C v max. <0.10)
184 2 Pivot pin No. 2
▲ Only for cast bodies.
▼ Only on actuator with handwheel and/or Model 8013
E.P. positioner (fig. 5).
Δ
Only for optional limit-switch adaptation: quantity
given for two limit switches (see fig. 13).
Part Name
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