New Page 2

Style	Size Range	Body Materials	Allowable Seat Materials	Standard Cracking Pressures	Standard Spring Material
BU	½”-1½”	316 SS Brass	VITON^® Buna-N Neoprene TEFLON^®resin KALREZ^® EPDM "Metal to Metal"	1/8 PSI ½ PSI 1.5 PSI 3.5 PSI	316 SS
BU	½”-1½”	C. Steel	VITON^® Buna-N Neoprene TEFLON^®resin KALREZ^® "Metal to Metal"	1/8 PSI ½ PSI 1.5 PSI 3.5 PSI	316 SS
BU	2”-3”	316 SS Brass	VITON^® Buna-N Neoprene TEFLON^®resin KALREZ^® EPDM "Metal to Metal"	1/8 PSI ½ PSI 1.5 PSI	316 SS
BU	2”-3”	C. Steel	VITON^® Buna-N Neoprene TEFLON^®resin KALREZ^® "Metal to Metal"	1/8 PSI ½ PSI 1.5 PSI	316 SS
BU	½”-3”	Alloy 20 HASTELLOY^® C	VITON^® Buna-N Neoprene TEFLON^®resin KALREZ^® EPDM "Metal to Metal"	½ PSI	HASTELLOY^® C
BU	½”-3”	MONEL^®	VITON^® Buna-N Neoprene TEFLON^®resin KALREZ^® EPDM "Metal to Metal"	½ PSI	MONEL^®
BU	½”-3”	HASTELLOY^® B	VITON^® Buna-N Neoprene TEFLON^®resin KALREZ^® EPDM "Metal to Metal"	½ PSI	HASTELLOY^® B or HASTELLOY^® C

Note: The bushing thread sizes are designated by two sets of numbers; the first being the male thread, the second the female thread.