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