Name: NRS/OS&Y Knife Gate Valve BI-Directional
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NRS/OS&Y Knife Gate Valve BI-Directional

Design Standard:EN1074-2,AWWA C520
Face To Face: EN 558 S20 AWWA C520.
Flange Standard: EN1092-2 , BS10 , T/E, T/D,B16.1/CLASS125
Inspection & testing: BS EN 1074-1/AWWA C520
Working Temperature: -20℃ to 85℃

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Products Description

SPECIFICATIONS:

Design Standard:EN1074-2,AWWA C520
Face To Face: EN 558 S20 AWWA C520.

Flange Standard: EN1092-2 , BS10 , T/E, T/D,B16.1/CLASS125

Inspection & testing: BS EN 1074-1/AWWA C520
Working Temperature: -20℃ to 85℃

MATERIAL LIST

NO.	Part	Material
1	U Seat	EPDM
2	Body	Ductile lron
3	Knife	SS304
4	Packing	PTFE
5	Bolts/Nut/Washer	Stainless Steel
6	Packing Gland	Ductile lron
7	Stem Nut	Brass
8	Support Plate	Ductile lron
9	Stem	SS420
10	Washer	BRASS
11	Fixing Sleeve	POM
12	Handwheel	Ductile lron
13	GLAND	Ductile lron
14	Nut Base Plate	Ductile lron

DIMENSIONS(mm)

DN	H	EN1092-2(PN10)			BS 10 T/D			BS 10 T/E			CLASS125			W
DN	H	L	D	n-M	L	D	n-M	L	D	n-M	L	D	n-M	W
50	340	43	125	4-M16	43	114.3	4-5/8"	43	114.3	4-5/8"	48	120.5	4-5/8"	160
65	363	46	145	4-M16	46	127	4-5/8"	46	127	4-5/8"	48	139.5	4-5/8"	160
80	390	46	160	8-M16	46	146.1	4-5/8"	46	146.1	4-5/8"	51	152.5	4-5/8"	200
100	425	52	180	8-M16	52	177.8	4-5/8"	52	177.8	8-5/8"	51	190.5	8-5/8"	200
125	500	56	210	8-M16	56	209.6	8-5/8"	56	209.6	8-5/8"	57	216	8-3/4"	305
150	555	56	240	8-M20	56	235	8-5/8"	56	235	8-3/4"	57	241.5	8-3/4"	305
200	643	60	295	8-M20	60	292.1	8-5/8"	60	292.1	8-3/4"	57	298.5	8-3/4"	356
250	766	68	350	12-M20	68	355.6	8-3/4"	68	355.6	12-3/4"	70	362	12-7/8"	400
300	863	78	400	12-M20	78	406.4	12-3/4"	78	406.4	12-7/8"	76	432	12-7/8"	400

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