Single large orifice air release valve

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Single large orifice air release valve

1. Design according to BS EN 1074-4:2000
2. Flange according to EN 1092-2:1997
3. Testing according to EN 12266-1:2012
Working pressure:16kgf/cm2
Shell test pressure:25kgf/cm2
Seat test pressure:18kgf/cm2
4. Media: water, neutral oil
5. External and internal coating:100% fusion-bonded epoxy
6. SS304, 316 bolts/nuts/washers are available on request

Product details

Single Large Orifice Air Release Valve.jpg

DIMENSION:MM

DN	H	D	K	D1	D2	n-d	b	f	w	Weight/kg
40	329	150	110	84	40	4-19	19	3	206	14.8
50	329	165	125	99	50	4-19	19	3	206	14.8
65	329	185	145	118	65	4-19	19	3	206	16.3
80	329	200	160	132	80	8-19	19	3	206	16.8
100	413	220	180	156	100	8-19	19	3	280	27
150	413	285	240	211	150	8-23	19	3	280	29
200	413	340	295	266	150	12-23	20	3	280	32.8
250	413	405	355	319	150	12-28	22	3	280	38.7
300	413	460	410	370	150	12-28	24.5	4	280	48.7

MATERIAL FOR MAIN PARTS

No.	Part Name	Material	Standards	No.	Part Name	Material	Standards
1	Body	Ductile Iron	EN1563-GJS-450	7	Cover	Ductile Iron	EN1563-GJS-450
2	Float Guide	ABS		8	Washer	Carbon Steel	EN ISO7089
3	Float	SS316		9	Nut	Carbon Steel	EN ISO4032
4	Support	ABS		10	Hexagon Bolt	Carbon Steel	EN ISO4014
5	Seat Ring	EPDM	EN681-1	11	Cowl	Ductile Iron	EN1563-GJS-450
6	Seat Support	ABS