Class 250 NRS Flanged Gate Valve

GV-07

Categories:

Gate Valve

Compliance Credentials: Strictly certified to UL 260 and FM standards for high-hazard critical infrastructure

TEL：

0086-18600252968

MESSAGE

Class 250 NRS Flanged Gate Valve

Technical Features

Size: DN50-DN600 / 2"-24"
Working Pressure: Class 250
Design Standard: MSS SP-70
Test Standard: API 598
Flange Standard: ASME / ANSI B16.1 Class 125 or 16.42 Class 150 or BS EN 1092-2 PN16
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.	Description	Material
1	Body	Cast lron Ductile lron
2	Seat Rings	Bronze
3	Disc Face Rings	Bronze
4	Disc	Cast Iron/Ductile lron
5	Disc Nut	Brass
6	Stem	Brass
7	Body Gasket	Stainless Steel Spiral wound
8	Bolts	Steel
9	Nuts	Steel
10	Bonnet	Cast lron/Ductile lron
11	Gland Follower Bolts	Steel
12	Stuffing Box Gasket	Graphite
13	Stuffing Box	Cast lron
14	Packing	Graphite
15	Gland Follower	Ductile lron
16	Packing Gland	Brass
17	Handwheel	Cast lron /Ductile lron
18	ldentification Plate	Aluminium
19	Washer	Steel
20	Handwheel Nut	Steel

Dimensions

DN	INCH	L	Dg	D	b	ANSI 300		Do	H
DN	INCH	L	Dg	D	b	Dk	n-d	Do	H
50	2"	216	106.5	165	22.3	127	8-19	178	289
65	2.5”	241	125.5	191	25.4	149	8-22	178	323
80	3"	282	144.5	210	28.6	168	8-22	200	338
100	4"	305	176.5	254	31.8	200	8-22	254	411
125	5"	381	211.5	279	35	235	8-22	300	503
150	6"	403	246.5	318	36.6	270	12-22	300	558
200	8"	419	303.5	381	41.3	330	12-25	348	650
250	10"	457	357.5	445	47.6	387	16-29	400	770
300	12”	502	418	521	50.8	451	16-32	457	861
350	14"	572	481.5	584	54	514	20-32	508	991
400	16"	610	535	648	57.3	572	20-35	558	1058
450	18"	660	592.5	711	60.4	629	24-35	610	1206
500	20"	711	649.5	775	63.5	686	24-35	640	1276
600	24"	787	768.5	914	69.9	813	24-41	762	1466