Parts
14 309474U
Mechanical Back Pressure Regulators
Part Numbers 233812 and 234258
Torque to 6 N•m (53 in-lb).
Torque to 2 N•m (18 in-lb).
Fill internal cavity with grease.
Used only on non-npt model 233812.
Torque to 5 N•m (44in-lb).
Apply medium-strength (blue) thread
locker to the threads.
1
2
3
5
6
28
25
26
24
22
21
20
19
18
10
12
13
11
17
15
14
2
3
4
1
10
4
8
9
23
16
27
2
1
3
5
5
TI11248a
6
7
7
Ref. Part Description Qty.
1 ---- HOUSING, lower, for 233812 1
---- HOUSING, lower, for 234258 1
2 245369 SEAT, valve 1
3 15Y036 O-RING 1
4 15Y035 O-RING 2
8 15A143 COVER 1
9 117123 SCREW, fhms, M4x10 2
10 15A219 RING, for non-npt model
233812 only
2
11 117101 PLUG, threaded 2
12 117085 SEAL, ring 1
13 117099 PLUG, threaded 1
14 245373 PLUNGER, valve 1
15 15A179 DIAPHRAGM 1
16 15A173 CAP, spring 1
17 117122 NUT, seal-lock 1
18 15A175 PLATE, spring, bottom 1
19 117096 SPRING, compression 1
20 117092 SPRING, compression 1
21 15A176 PLATE, spring, top 1
22 117108 BALL, 8 mm 1
23 15A186 PACKING, PTFE with carbon 1
24 245366 HOUSING, upper 1
25 117129 SCREW, shcs, M5x80 8
26 117017 WASHER 8
27 15A141 BONNET, cover 1
28 15A242 SCREW, custom 1
Ref. Part Description Qty.
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