DOUBLE LOBE AIR VALVES

Design Standard

IS: 14845, AWWA C 512

Inspection & Testing Standard

API 598

Flange End Standard

IS: 1538, IS: 1536, IS-6392, BS: 1560, BS: 4505, BS: 10, BS: 3293, ANSI B16.1, ANSI B16.5 IS: 13159.

End Connection

Flanged End to ASME B16.5 , Screwed - Threaded End to ASME B1.20.1

Manufacturing Size Range

50 MM NB(2") to 1200MM NB(48")

Manufacturing Class

PN 1.0, PN 1.6, PN 2.0,150#, 300#

Material of Construction (MOC)

Body & Bonnet

Stainless Steel ASTM A 182 F11/F22 - Alloy Steel/ ASTM A 216, ASTM A 217, ASTM A351 GR CF8, CF8M, CF3, CF3M, CN7M, ETC; SS 904L; HASTELLOY; TITANIUM ETC, Cast Iron Castings to IS:210, ASTM A 159, ASTM A 439, ASTM A 532, ASTM A 536, ASTM A 897.