Mechanical Back Pressure Regulators Part Numbers 233758, 233811, 233950, 234255, 234261, And 234262 - Graco P20-VM Instructions Manual

Parts
Mechanical Back Pressure Regulators
Part Numbers 233758, 233811, 233950, 234255, 234261, and 234262
28
25
1
24
22
21
19
17
3
16
4
23
Ref. Part Description
1 ---- HOUSING, lower, for 233758
and 233950
---- HOUSING, lower for 234262
and 234261
15A198 HOUSING, lower, for 233811
15C303 HOUSING, lower, for 234255
2 245369 SEAT, valve, for 233758,
233950, 234261, and 234262
15A228 SEAT, valve, for 233811 and
234255
3 15Y036 O-RING, not used on models
233811 and 234255
4 15Y035 O-RING, for 233758, 233950,
234261, and 234262
15Y031 O-RING, for 233811 and
234255
8 15A143 COVER, for 233758, 233950,
234261, and 234262
15A222 PLUG, for 233811 and 234255
9 117123 SCREW, fhms, M4x10, not used
on models 233811 and 234255
10 15A219 RING, for non-npt models
233758, and 233950
15A221 RING, for non-npt model
233811
16
10
5
13
12
11
6
2
8
7
9
6
TI11249a
Qty.
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15
14
8
2
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6 1
4
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8
Ref. Part Description
11 117101 PLUG, threaded, not used on
models 233811 and 234255
12 117085 SEAL, ring
13 117099 PLUG, threaded
14 245373 PLUNGER, valve, for 233758,
233950, 234261, and 234262
245378 PLUNGER, valve, for 233811
and 234255
15 15A179 DIAPHRAGM
16 15A172 CAP, spring
17 117122 NUT, seal-lock
19 117087 SPRING, compression, for
233758 and 234262
117095 SPRING, compression, for
233811, 233950, 234261, and
234255
21 15A177 PLATE, spring, top
22 117105 BALL, 6 mm
23 15A185 PACKING, PTFE with carbon
24 245365 HOUSING, upper
25 117126 SCREW, shcs, M5x16
28 15A241 SCREW, custom
29 117124 RING, retaining, 233811 and
234255 only
Torque to 4-5 N•m (35-44 in-lb).
Torque to 2 N•m (18 in-lb).
Torque to 5 N•m (44 in-lb).
Grease OD.
Used only on non-npt models
233758, 233950, and 233811.
Not used on models 233811 and
234255.
Models 233811 and 234255 use a
plug and retaining ring (not shown).
Apply medium-strength (blue)
thread locker to the threads.
309474U
Qty.
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1
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1
1
1
1
1
1
1
1
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1
1
8
1
1