TRIPLE EFFECT AIR RELIEF VALVE is that combines both large orifice & small orifice functions within one unit.
Ductile iron TRIPLE EFFECT AIR RELIEF VALVE
AIR VALVE FOR CLEAN WATER
Air Relief Valve for Clean Water Sewer Water
DOUBLE FLOAT HIGH SPEED AIR VALVE
TECHNICAL PARAMETERS:
Design Standard: AWWA C512, CJ/T217,EN1074-4
Flange Drilling: EN1092, B16.5 CLASS 150
Working Pressure: DN50-DN100 0.3-25 bar
DN150-DN200 0.3-16 bar
Working Temp.: 0-50°
DIMENSION CHART
DN | A | B | H | BORE SIZE（mm） | MASSE （kgs） | |
50 | 2” | 317 | 175 | 250 | 50 | 16.5 |
65 | 2.5” | 317 | 175 | 250 | 63 | 17.0 |
80 | 3” | 317 | 175 | 240 | 80 | 17.5 |
100 | 4” | 415 | 280 | 420 | 100 | 32.0 |
REDUCING BORE | ||||||
150 | 6” | 415 | 280 | 420 | 100 | 34.0 |
200 | 8” | 415 | 280 | 420 | 100 | 38.0 |
FULL BORE, CARBON STEEL WELDED BODY | ||||||
150 | 6” | 415 | 280 | 420 | 150 | 38.5 |
200 | 8” | 415 | 280 | 420 | 200 | 60.0 |
250 | 10” | 560 | 450 | 680 | 250 | 87.0 |
300 | 12” | 634 | 520 | 720 | 300 | 120.0 |
ITEMS | NAME | MATERIALS |
1 | DUST COVER | CARBON STEEL |
2 | BODY COVER | GGG |
3 | GASKET | EPDM |
4 | FLOATING BALL A | SS304 |
5 | BODY | GGG |
6 | GASKET | EPDM |
7 | AIR VENT PART | BRAS |
8 | FLOATING BALL B | ABS |
9 | SIDE BODY | GGG |
10 | GASKET | EPDM |
11 | BASKET | SS304 |
During normal working of the main the small orifice releases the air which accumulates under pressure. With the main in operation, the float is normally against its seat.
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