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	24.4	619	11.8	300	–	–
2.5	65	20.00	508	20.25	514	20.0	508	20.0	508	31.9	809	17.7	450	–	–
3	80	22.75	578	23.00	584	22.75	578	22.75	578	31.9	809	17.7	450	–	–
4	100	26.50	673	26.88	683	26.5	673	26.5	673	42.2	1073	24.8	630	–	–
6	150	36.00	914	36.50	927	36.0	914	36.0	914	57.1	1451	24.0	610	17.0	432
8	200	40.25	1022	40.87	1038	40.25	1022	40.25	1022	63.0	1600	24.0	610	20.2	512
10	250	50.00	1270	50.88	1292	50.0	1270	50.0	1270	82.5	2096	24.0	610	20.2	512
12	300	56.00	1422	56.88	1445	56.0	1422	56.0	1422	90.2	2292	30.0	760	21.8	554