Valve Details


Types of Head


Types of Locks

SAE	BS	JS	Wr No.	C	Si	Mn	Ni	Cr	N
SIL1	EN52	SUH1	1.4718	0.40-0.50	3.00-3.50	0.60 max.	0.60 max.	7.50-9.50	-
SILXB	EN59		1.4747	0.75-0.85	1.75 -2.50	0.20 - 0.60	1.0-1.70	19.0-21.0	0.15-0.20
-	-	SUH11	-	0.45-0.55	1.00-2.00	0.60 max.	0.60 max.	7.50-9.50	-
EV-12	21-2N	-	1.4875	0.50-0.60	0.08-0.25	7.00 - 9.50	1.50-2.75	19.25-21.50	0.20-0.40
EV-8	21-4N	SUH35	1.4871	0.48-0.58	0.35 max.	8.00 -10.00	3.25-4.50	20.00-22.00	0.35-0.45
EV-15	23-8N	-	-	0.28-0.38	0.50-1.00	1.50 - 3.50	7.00-9.00	22.00-24.00	0.25-0.40
EV-4	21-12N	SUH37	-	0.15-0.25	1.00 max.	1.00 - 1.60	10.00-12.00	20.50-22.50	0.15-0.30

	C	Ni	Cr	Fe	W	Co
St # 1	2.5	-	30.0	3.0	12.0	Bal.
St # 6	1.0	-	28.0	3.0	4.0	Bal.
St # 12	1.35	-	29.0	2.5	8.0	Bal.
St # 32	1.80	22.0	26.0	-	12.0	Bal.