Actuator-Emer Shutoff N550 Esv Valves

Marshall Excelsior ME 551 Actuator Emergency Shutoff N550 ESV Valve "Safety Stroke" -All critical components constructed with durable, corrosion resistant stainless steel -A perfect fit for the FISHER N550 Emergency Shutoff Valve series -The ME551 Safety Stroke is designed to fit all ESV sizes -The Airstroke Actuator by Firestone -Utilizes existing FISHER thermal device -Features the same robust tubular design as the Marshall Excelsion ME205 with smooth acting cam and heavy return spring -Allows ESV to completely open ensuring full flow -Easy to install without modification -Operating pressure range: 20 to 125 PSIG -Temperature range: -60 degrees F to 250 degrees F -Includes all necessary mounting hardware