Double orifice air release valve with isolation gate valve

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Double orifice air release valve with isolation gate valve

Remarks:
1.Design according to BS EN 1074-4:2000, BS5163:2004
2.Test according to EN 12266-1:2012
Working pressure:16kg/cm³ Shell test pressure:25kg/cm³ Seat test pressure:18kg/cm³
3.Media: water, neutral oil
4.External and internal coating:100% fusion-bonded epoxy
5.Material 304, 316 used in bolt, nut and washer can be available by requirements.

Product details

Remarks:

1.Design according to BS EN 1074-4:2000, BS5163:2004

2.Test according to EN 12266-1:2012

Working pressure:16kg/cm3 Shell test pressure:25kg/cm3 Seat test pressure:18kg/cm3

3.Media: water, neutral oil

4.External and internal coating:100% fusion-bonded epoxy

5.Material 304, 316 used in bolt, nut and washer can be available by requirements.

DIMENSION:MM

DN	L	H	D	K	D1	n-d	b	f	W	L1	H1
50	227	319	165	125	99	4-19	19	3	206	178	344
65	227	319	185	145	118	4-19	19	3	206	190	381
80	227	319	200	160	132	8-19	19	3	206	203	399
100	238	413	220	180	156	8-19	19	3	280	229	412
150	238	413	285	240	211	8-23	19	3	280	267	521
200	238	413	340	295	266	12-23	20	3	280	292	598
250	238	413	405	355	319	12-28	22	3	280	330	701
300	238	413	460	410	370	12-28	24.5	4	280	356	784

MATERIAL FOR MAIN PARTS

No.	Part Name	Material	Standards		No.	Part Name	Material	Standards
1	Body	Ductile Iron	EN1563-GJS-450	BS2789	23	Body	Ductile Iron	EN1563-GJS-450	BS2789
2	Float Guide	ABS			24	Wedge	EPDM	EN681-1	BS2494
3		ABS			25	Wedge Core	Ductile Iron	EN1563-GJS-450	BS2789
4	Support	ABS			26	Stem Nut	Aluminum bronze	BS EN1982	BS1400
5	Seat Ring	EPDM	EN681-1	BS2494	27	Stem	Stainless Steel	BS EN10088-1 1.4057
6	Seat Support	ABS			28	Gasket	EPDM	EN681-1	BS2494
7	Cover	Ductile Iron	EN1563-GJS-450	BS2789	29	Bonnet	Ductile Iron	EN1563-GJS-450	BS2789
8	Washer	Carbon Steel	EN ISO7089	BS4320	30	O-ring	EPDM	EN681-1	BS2494
9	Nut	Carbon Steel	EN ISO4032	BS3692	31	Back Seat	EPDM	EN681-1	BS2494
10	Hexagon Bolt	Carbon Steel	EN ISO4017	BS3692	32	Washer	Stainless Steel	BS EN10088-1 1.4301
11	Cowl	Ductile Iron	EN1563-GJS-450	BS2789	33	Collar	Aluminum bronze	BS EN1982 CC331G	BS1400
12	O-ring	EPDM	EN681-1	BS2494	34	O-ring	EPDM	EN681-1	BS2494
13	Side Body	Ductile Iron	EN1563-GJS-450	BS2789	35	Gland	Ductile Iron	EN1563-GJS-450	BS2789
14	Cap	Nylon/Brass			36	O-ring	EPDM	EN681-1	BS2494
15	Gasket	EPDM	EN681-1	BS2494	37	Dust-proof Cover	EPDM	EN681-1	BS2494
16	Bracket	Nylon			38	Cap	Ductile Iron	EN1563-GJS-450	BS2789
17	Adjusting Screw	Stainless Steel	EN ISO15481	BS4174	39	Inner Hexagon Screw	Carbon Steel	EN ISO 4762	BS4168
18	Seat	EPDM	EN681-1	BS2494	40	Protective Cover	Nylon
19	Hinge Pin	Stainless Steel	EN ISO1234	BS1574	41	Inner Hexagon Screw	Carbon Steel	EN ISO 4762	BS4168
20	Side Float	ABS			42	Inner Hexagon Screw	Carbon Steel	EN ISO 4762	BS4168
21	Hexagon Bolt	Carbon Steel	EN ISO4017	BS3692
22	Washer	Carbon Steel	EN ISO7089	BS4320