No.	Part	Material
1	Body	C.IIS 210 Gr.20-25 (Cast Iron) ASTM A 216 Gr.WCB (Cast Steel
2	Bonnet	- C.IIS 210 Gr.20-25 (Cast Iron) ASTM A 216 Gr.WCB (Cast Steel)
3	Piston	AISI 410 / 304 / 316
4	Lantern Bush	AISI 410 / 304 / 316
5	Spindle	AISI 410 / 304 / 316
6	Sealing Rings	To Suit Service
7	Yoke Bush	Gun Metal (G.M.)
8	Indicator	Mild Steel (M.S)
9	Hand Wheel	Cast Iron (C.I )
10	Belleville Washers	Cr.V.Spring Steel
11	Studs Nuts	ASTM A –193 / 194
12	Wheel Nut	Mild Steel (M.S)
13	Set Screw	Mild Steel (M.S)
14	Spindle-Lock Nut	AISI 410 /304 / 316

Weight of Piston valves in Kg. (approx)
SIZE	15	20	25	32	40	50	65	80	100	150
Flange type	3.7	4.7	6.8	11.5	12.0	18.0	27.0	35.5	54.5	145.0
Screwed type	2.0	2.5	3.8	8.5	10.5	13.0	0	0	0	0

Flanges as per ANSI B 16.5 Class 150 (RF)
SIZE	PORT	L	H	H1	OD	B	O9	f	KPCD	N	OJ	OWh	Ods	Lift
15	15	130	130	160	89	11.1	35	1.58	60.3	4	15.9	80	14	22
20	20	150	140	172	98.4	12.7	43	1.58	69.9	4	15.9	120	14	32
25	25	160	167	207	108	14.3	51	1.58	79.4	4	15.9	140	16	38
32	32	180	205	250	117	15.9	63.5	1.58	88.9	4	15.9	160	18	45
40	40	200	225	275	127	17.5	73	1.58	98.4	4	15.9	180	20	50
50	50	230	250	311	152.4	19	92	1.58	120.6	4	19	200	22	55
65	65	290			178				139.7	4	19
80	80	310			190				152.4	4	19
100	100	350			229				190.5	8	19
150	150	480			279				241.3	8	22.2

Flanges as per ND-10 DIN to 2632 - 33 (RF)
SIZE	PORT	L	H	H1	OD	B	O9	f	KPCD	N	OJ	OWh	Ods	Lift
15	15	130	130	160	95	14	45	2	65	4	14	80	14	22
20	20	150	140	172	105	16	58	2	75	4	14	120	14	32
25	25	160	167	207	115	16	68	2	58	4	14	140	16	38
32	32	180	205	250	140	16	78	2	100	4	18	160	18	45
40	40	200	225	275	150	16	88	3	110	4	18	180	20	50
50	50	230	250	311	165	18	102	3	125	4	18	200	22	55
65	65	290
80	80	310
100	100	350
150	150	480

Flanges as per ND - 40 DIN to 2634 - 35 (RF)
SIZE	PORT	L	H	H1	OD	B	O9	f	KPCD	N	OJ	OWh	Ods	Lift
15	15	130	130	160	95	16	45	2	65	4	14	80	14	22
20	20	150	140	172	105	18	58	2	75	4	14	120	14	32
25	25	160	167	207	115	18	68	2	58	4	14	140	16	38
32	32	180	205	250	140	18	78	2	100	4	18	160	18	45
40	40	200	225	275	150	18	88	3	110	4	18	180	20	50
50	50	230	250	311	165	20	102	3	125	4	18	200	22	55
65	65	290
80	80	310
100	100	350
150	150	480

Butt / socket weld							Screwed Ends
SIZE	PORT	L	H1	L1	D	D1	SIZE	PORT	L	H1	L1	D	D1
15	15	100	159	10	29	21.7	15	15	100	159	10	29	21.7
20	20	120	171	13	35	27.1	20	20	120	171	13	35	27.1
25	25	135	207	13	43	33.8	25	25	135	207	13	43	33.8
32	32	160	245	13	50	41	32	32	160	245	13	50	41
40	40	185	274	13	58	48.6	40	40	185	274	13	58	48.6
50	50	220	311	16	71	61.1	50	50	220	311	16	71	61.1

TESTING PRESSUREHYDROSTATIC
	ND-10 Kg /Cm²	ND-25 Kg /Cm²	ND-40 Kg /Cm²	PNEUMATIC Kg /Cm²
SEAT	10	25	40	5
BODY	16	40	64	5