Features:Butterfly Valve with Air Actuator, Spring Return, 6".Keystone Series 221 Butterfly Valves with Keystone Air Actuators. Double acting style (air to open and close). Valves include cast iron bodies, EPDM seats, 316SS stainless discs and 416 stainless stems. Valves are rated to 250 PSI and 250 Deg. F. Air actuators are direct mount (no brackets) and include 1/4" FPT air port connections.Designed to open/close valves at 80 PSI in most applications, 150 PSI maximum.
At the same time, we still can offer the items as below:
Keystone Air Actuated Butterfly Valve DUA906-30KSR
Keystone Air Actuated Butterfly Valve DUA906-20M
Keystone Air Actuated Butterfly Valve DUA906-60M
Keystone Air Actuated Butterfly Valve DUA906-30M
Keystone Air Actuated Butterfly Valve DUA906-40K
Keystone Air Actuated Butterfly Valve DUA906-30K
Keystone Air Actuated Butterfly Valve DUA906-60KSR
Keystone Air Actuated Butterfly Valve DUA906-40KSR
Keystone Air Actuated Butterfly Valve DUA906-20KSR
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