Double Orifice Air Valve
Body: Ductile Iron, Cast Iron
Ball: SS304
Bonnet: Ductile Iron, Cast Iron
Gland: Ductile Iron, Cast Iron
Cap Top: Ductile Iron, Cast Iron
Washer: SS304, Carbon Steel
Nut: SS304, Carbon Steel
Bolt: SS304, Carbon Steel
Gasket: NBR
Stem: SS420
Stem Nut: SS420
Nominal Diameter: DN80 to DN200
Nominal Pressure: Class150 to Class300, PN16 to PN40
Design and Manufacture Standard: DIN3352
Flanged End Dimension: DIN2501
Inspection and Test: BS6755
Dimensions                           Unit:mm
| DN | L | H |
| 50 | 418 | 351 |
| 80 | 454 | 375 |
| 100 | 492 | 419 |
| 150 | 595 | 440 |
| 200 | 698 | 475 |
