Automatic Condensate Drain Valves Automatic Drainage Valve type AK | Gestra Automatic Drainage Valve type AK | Gestra The Automatic Drainage Valve type AK by Gestra is designed to efficiently remove condensate and non-condensable gases from steam and compressed air systems. This valve operates automatically, ensuring optimal system performance and preventing potential damage caused by accumulated condensate. It is known for its reliability, durability, and ease of... View Flanged PN 40 150 lbs 300 lbs DIN ANSI 1.0460