Ace engg offers rotary airlock valves, which are used in dust collectors, in pneumatic conveying systems and in storage silos for discharge purpose. The different types available are drop through, blow through and quick opening. There are different size such as 100, 150, 200, 250, 300, 350,400,450 nb in circular and square flanges. Circular flange drilling available as per b 100 or ansi 150 or as required. Moc available are cs, ss 304, 316, etc, aluminium alloy casting and high temperature resistant alloys. Ace engineering also manufactures slide gate valve, divertor valve, scrue conveyors and centrifugal fans.