Class250,Swing Check Valve

CV-01

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Gate Valve

keywords：

Class250 Swing Check Valve

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0086-18600252968

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Class250,Swing Check Valve

Technical Features

Size: DN50-DN300 / 2"-12"
Working Pressure: Class 250
Design Standard: MSS SP-71
Test Standard: API 598
Flange Standard: ASME B16.2(250LB)
Face to Face Standard: ASME B16. 10(250LB)
Working Temperature: -20°C to 180°C
Note: NSF 61 and NSF 372 approval available for 2"-12"

Valve Material List

NO.	Part	Material
1	Bolts	Steel
2	ldentification Plate	Aluminiur
3	Bonnet	Cast lron
4	Body Gasket	Graphite
5	Nuts	Stee
6	Side Plug	Brass
7	Gasket	Fiber
8	Hanger Pin	Brass
9	Uanger	Ductile lron
10	Disc Ring	Cast Bronze
10'	Disc	Cast lron
11	Washer	Steel
12	Split Pin	Staipless Stee
13	Seat Ring	Cast Bronze
14	Disc Nut	Steel
15	Body	Cast lron
16	Stud Bolt	Steel

Dimensions

DN	INCH	L	Dg	D	b	ANSI 300		H
DN	INCH	L	Dg	D	b	DK	n-d	H
50	2"	267	1065	165	223	127	8-19	113
65	2.5"	292	125.5	191	25.4	1492	8-22	133
80	3"	3175	1445	210	286	168.3	8-22	144
100	4"	356	176.5	254	31.8	200	8-22	168
125	5"	400	211.5	279	35	235	8-22	198
150	6"	444.5	246.5	318	36.6	269.9	12-22	217
200	8"	53.3	303.5	381	413	330.2	12-25	261
250	10"	622	357.5	445	47.6	3874	16-29	287
300	12"	711	418	521	50.8	450.8	16-32	319