Description

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