Single large orifice air release valve with isolation valve DN50

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Single large orifice air release valve with isolation valve DN50

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

DIMENSION:MM

DN	H	W	Weight/kg
50	404	206	13.8

MATERIAL FOR MAIN PARTS

No.	Part Name	Material	Standards		No.	Part Name	Material	Standards
1	Body	Ductile Iron	EN1563-GJS-450	BS2789	7	Cover	Ductile Iron	EN1563-GJS-450	BS2789
2	Float Guide	ABS			8	Washer	Carbon Steel	EN ISO7089	BS4320
3	Float	ABS			9	Nut	Carbon Steel	EN ISO4032	BS3692
4	Support	ABS			10	Hexagon Bolt	Carbon Steel	EN ISO4014	BS3692
5	Seat Ring	EPDM	EN681-1	BS2494	11	Cowl	Ductile Iron	EN1563-GJS-450	BS2789
6	Seat Support	ABS			12	Isolation Valve	Brass	EN12164	BS2874