Flowseal® Enhanced Shaft and Pin Material/NACE Compliance

The Flowseal® High Performance Butterfly valves are now constructed with enhanced shaft and pin material – 17-4 Stainless Steel (ASTM A564 gr. 630) with DHT (Double Heat Treated), resulting in greater resistance to sulfi de stress cracking (SSC). Our Flowseal High Performance Butterfly Valves are now Standard NACE compliant when fitted with appropriate seat.