Forge Steel Pressure Seal Gate Valve

Material list for main parts

No.	Part name	ASTM
		Carbon steel		Tainless steel	Alloy steel
1	Body	A105	LF2/LF3	A182 F304	A182 F11/F22
2	Seat	A182F6a	A182F6a	A182 F304	A182 F6a
3	Wedge	A182F6a	A182f6a	A182 F304	A182 F6a
4	Stem	A276-410	A276-410	A276-304	A276-410
5	Gasket	Graphite+304
6	Sealing Ring	Grapite
7	Yoke	A216-WCB	A216-WCB	A351 CF8	A216-WCB
8	Bonnet	A105	A350 LF2/LF3	A182 F304	A182 F11/F22
9	BOlt	A193 B7	A320 L7	A193 B8	A193 B16
10	Packing	Graphite
11	Stem Bushing	A276-410	A276-410	A276-304	A276-410
12	Gland	A216-WCB	A216-WCB	A351 CF8	A216-WCB
13	Eye Bolt	A193 B7	A320 L7	A193 B8	A193 B7
14	Stem Nut	A276-410
15	Handwheel	A197orA47-32510

Performance specification

Performance specification

Norminal Pressure		Class
		150	300	600	800	900	1500	2500
(MPa) Test Pressure	Shell Test	2.93	7.55	10.0	20.1	15.0	37.5	63.0
	High Pressure Seal Test	2.07	5.52	7.31	14.7	11.03	27.5	16.2
	Low pressure Seal Test	0.6
Applicable Temperature		=425?
Applicable Medium		Water,oil & gas

Main Dimensions & Weight

Pressure	Size		Main Dimension							Weight(kg)
	mm	in	d	LRF	LBW	LRTJ	H		W
							WB	PB		WB	PB
Class900	15	1/2	10	216	216	216	197	321	180	9.8	11.5
	20	3/4	13	229	229	229	211	321	180	9.7	11.2
	25	1	19	254	254	254	238	321	180	9.5	10.8
	32	11/4	24	279	279	279	257	380	200	17.5	18.0
	40	11/2	40	305	305	305	276	414	200	21.6	22.0
	50	2	50	368	368	371	320	502	300	42.7	44.0
Class1500	15	1/2	10	216	216	216	197	321	180	9.8	11.5
	20	3/4	13	229	229	229	211	321	180	9.7	11.2
	25	1	19	254	254	254	238	321	180	9.5	10.8
	32	11/4	24	279	279	279	257	380	200	17.5	18.0
	40	11/2	40	305	305	305	276	414	200	21.6	22.0
	50	2	50	368	368	371	320	502	300	42.7	44.0
Class2500	15	1/2	10	264	264	264	197	321	180	12.3	13.0
	20	3/4	13	273	273	273	211	321	180	21.1	12.7
	25	1	19	308	308	308	238	321	180	11.8	12.5
	32	11/4	24	349	349	352.2	257	380	200	20.9	21.8
	40	11/2	40	384	384	387.2	276	414	200	27.5	29.3
	50	2	50	451	451	454.2	320	502	300	53.3	55.4

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