B								Weight (Lbs.)
Size	A	NRS	OSY*	C	D	E	F	I	K	NRS	OSY*
2 1/2""	39	11 3/8	15 7/8	3 1/2	24	4	3	10	6 1/2	167	170
3""	40	12 3/4	18 1/2	3 3/4	24	5	3	10 1/8	7	167	170
4""	52	15 3/8	23 3/4	4 1/2	34	6	6	12 1/8	8 1/4	368	383
6""	621/2	19 3/4	32 1/2	5 1/2	41 1/2	11	7 1/2	18 1/2	13 1/2	627	707
8""	75	24 1/2	39 1/4	6 1/2	52	11 1/4	9	21 5/8	15 1/2	1201	1307
10""	77	29 1/4	48	8	64	12 1/2	10 1/4	26	18 1/2	2003	2073
		QT						QT Weight		Strainer Weight
2 1/2""	39 3/8	7		3 1/2	24 1/8	16	3	154		28
3""	40 3/8	7		3 3/4	24 1/8	16	3	162		34
4""	52 3/8	10		4 1/2	34 1/8	19 3/4	6	275		60
6""	62 7/8	15		5 1/2	41 5/8	26	7 1/2	611		133
8""	75	19		6 1/2	52	11 1/4	9	1419		247
10""	90	22		8	64	12 1/2	10 1/4	2466		370
*UL/FM classified backflow preventers must include UL/FM listed OS&Y gate valves; option OSY.

Clearance Required for Servicing
Size	J	L (NRS)	L (OSY)	M	N
2 1/2""	10	11 1/2	13	11	16 1/2
3""	10	12 3/4	15	14	18 1/2
4""	12	15 1/4	19 1/4	14	23 3/4
6""	20	20	27	16	32 1/2
8""	22 3/4	24 1/2	30 3/4	21	39 1/4
10""	28	29 1/4	37 1/4	25	40