Graco Inc 233757 important safety instructions 15A179

Pneumatic Back Pressure Regulators Part Nos. 233810 and 234257

	26	6
1	25
	27	6

24

317

	21	5	10
4	16		12
		13
	23

Parts

14

2

3

4

1

10 5

2	11
15

9

4

8

TI11250a

1Torque to 4-5 N•m (35-44 in-lb).

2Torque to 2 N•m (18 in-lb).

3Torque to 5 N•m (44 in-lb).

4Grease OD.

5Used only on non-npt model 233810.

6Used only on npt model 234257.

Ref.				Ref.
				No.	Part No.	Description	Qty.
No.	Part No.	Description	Qty.
				15	15A179	DIAPHRAGM	1
1		HOUSING, lower, for 233810	1
				16	15A204	PISTON	1
		HOUSING, lower, for 234257	1
				17	117122	NUT, seal-lock	1
2	245369	SEAT, valve	1
				21	117102	SEAL, flat	1
3	15Y036	O-RING	1
				23	15A185	PACKING, PTFE with carbon	1
4	15Y035	O-RING	1
				24	15A191	HOUSING, upper	1
8	15A143	COVER	1
				25	117127	SCREW, shcs, M5x35	8
9	117123	SCREW, fhms, M4x10	2
				26	15C332	FITTING, for npt model 234257	1
10	15A219	RING, for non-npt model 233810	2
						only
11	117101	PLUG, threaded	2
				27	15C333	WASHER, for npt model 234257	1
12	117085	SEAL, ring	1
						only
13	117099	PLUG, threaded	1
14	245373	PLUNGER, valve	1

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