ANSI B16.9

Material	Meets:
Stainless Steel	ASTM A182 F304 & L ASTM A182 F316 & L
Carbon Steel	ASTM A105
Low Temperature	ASTM A350 LF1 ASTM A350 LF2
Dimensions
Pipe Threads	MSS SP-83 (ANSI B2.1 Now ANSI B1.20.1 REV 95)
Unified Inch Screw Threads (Nut Threads)	ANSI/ASME B1.1
Socket Weld Ends	ANSI B16.11
Butt Weld Ends
Socket Weld Wall Dimensions	ANSI/ASME B36.10M
Quality	MSS SP-83
Surface Finish	MSS SP-83
Testing	MSS SP-83
Identification	The unions can be identified by the "WOG" pressure rating (3000 or 6000) which is included in the figure number marked on the union surface.
Installation & Maintenance	Initial Installation - turn nut hand tight and wrench one quarter (1/4) turn maximum. No further maintenance is required.

PRESSURE RATINGS These unions shall be designated as Class 3000 socket-welding or threaded and shall carry ratings shown in Table 1 on Mill Spec MSS SP-83 TABLE 1 PRESSURE-TEMPERATURE SERVICE RATING CLASS 3000 CARBON AND STAINLESS STEEL UNIONS SOCKET WELDING & THREADED ENDS *Note: These ratings may be lowered by the temperature limitations of the specific o-ring used. Integral seat "cone to ball" unions fully rated.

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