VALVE SIZE		A1 (RF)		A2 (RTJ)		A3 (BW)		A4 (SW)		H2		W		L
NPS	DN	In	mm	in	mm	in	mm	in	mm	in	mm	in	mm	in	mm
2	50	17.75	451	17.87	454	17.75	451	17.75	451	28.3	720	15.7	400	–	–
2.5	65	20.00	508	20.25	514	20.00	508	20.00	508	31.5	800	19.7	500	–	–
3	80	22.75	578	23.00	584	22.75	578	22.75	578	34.8	885	19.7	500	–	–
4	100	26.50	673	26.88	683	26.50	673	26.50	673	50.0	1260	24.0	610	20.2	512
6	150	36.00	914	36.50	927	36.00	914	36.00	914	75.0	1905	24.0	610	17.0	432
8	200	40.25	1022	40.87	1038	40.25	1022	40.25	1022	97.0	2465	30.0	760	22.3	567
10	250	50.00	1270	50.88	1292	50.00	1270	50.00	1270	110.2	2800	30.0	760	22.3	567
12	300	56.00	1422	56.88	1445	56.00	1422	56.00	1422	138.0	3505	30.0	760	22.3	567