SC

Line Size	Size Code	A	B	C**	D**	E	F***	Orifice Diameter
3/4	F	3/4	1/16	0.44	0.78	0.28	0.620	0.348
1	H	1	1/16	0.53	0.89	0.30	0.870	0.464
1-1/2	J	1-1/2	1/16	0.53	1.06	0.63	1.370	0.890
2	K	2	1/16	0.66	1.39	0.66	1.870	1.135
2-1/2	L	2-1/2	1/16	0.69	1.56	0.88	2.370	1.385
3	M	3	1/16	0.75	1.97	1.25	2.870	2.025
4	N	4	1/16	0.88	2.41	1.63	3.834	2.560

NOTES (DIMENSIONS TABLE)*Maximum nominal dimension for valve closed.
**Maximum nominal dimension for a fully open valve.
***Valves are designed to function with fittings having these internal diameters. (±0.005)
Consult factory for more information.

• 316 Stainless Steel (SS)
• Alloy C-276 (HC)

Body Material	Line Size	Non-Shock Pressure Temperature Rating
316/316L Stainles Steel (SS)	3/4" - 1½"	1000 psig @ 100 °F
	2" - 4"	725 psig @ 100 °F
Alloy C-276 (HC)

Seat material and spring material selection may limit the recommended service temperature.
See seat ratings, spring ratings, and body material ratings for their respective recommended service temperatures.
Consult the factory for reduced P-T rating above 100 °F. Standard spring material is 316 Stainless Steel.

PRESSURE DROP PSI

Size	Cv
3/4	2.4
1	4.6
1-1/2	9.5
2	20.9
2-1/2	37.0
3	77.9
4	141

FOR WATER AT 72°F

WATER FLOWRATE - GPM

Note: All flow curves and Cv values presume the valves are fully open with 1/2 PSI cracking pressure springs. Consult the factory for more information.

SIZE	PART NUMBER	316 SS	C-276 (HC)
3/4	SCF	0.3 oz.	0.7 oz.
1	SCH	1.0 oz.	1.3 oz.
1-1/2	SCJ	2.9 oz.	3.6 oz.
2	SCK	6.1 oz	7.7 oz.
2-1/2	SCL	11.2 oz.	13.7 oz.
3	SCM	11.4 oz.	1.4 lb.
4	SCN	2.6 lb.	3.4 lb.

Valve weight are approximate.

Valve Style	Size Range	Body Materials Other Options	Allowable Seat Materials Other Options	Standard Cracking Pressures Other Options More Info.	Standard Spring Material More Info.
SC	3/4" - 2"	316 SS	AFLAS® Buna-N FDA AFLAS® FDA Buna-N EPDM/FDA EPDM FDA Viton® Kalrez® "Metal to Metal" Neoprene PTFE USP Class VI EPDM USP Class VI Silicone USP Class VI Viton® Viton®	1/8 PSI 1/2 PSI 1.5 PSI 3.5 PSI	316 SS
SC	2-1/2" - 4"	316 SS	AFLAS® Buna-N FDA AFLAS® FDA Buna-N EPDM/FDA EPDM FDA Viton® Kalrez® "Metal to Metal" Neoprene PTFE USP Class VI EPDM USP Class VI Silicone USP Class VI Viton® Viton®	1/8 PSI 1/2 PSI 1.5 PSI	316 SS
SC	3/4" - 4"	Alloy C-276	AFLAS® Buna-N FDA AFLAS® FDA Buna-N EPDM/FDA EPDM FDA Viton® Kalrez® "Metal to Metal" Neoprene PTFE USP Class VI EPDM USP Class VI Silicone USP Class VI Viton® Viton®	1/2 PSI	Alloy C-276