Max-Air manufactures everything that was needed to assemble these 4 HAZLOC valve assemblies including our Direct Mount 2″ Delta T High Performance Butterfly Valves, MS48 Limit Switches, SV91 Solenoid Valves, and Explosion Proof Termination. We are thankful to our wonderful network of distribution partners who continue to sell, support, and specify our products. We love when they bring us opportunities like these. Max-Air Technology is your one-stop shop for valve automation solutions!