For sale is a Tri-Clover Model 371 - 10W - 24 - 1-1/2 - 316 Stainless Steel Valve Actuator, Serial No.236501-001. Approximately 20" overall length. Type 316 stainless steel construction. Permanently spring-loaded system, actuated by air pressure. NOTE: This listing is for the valve actuator shown in the photographs; it DOES NOT INCLUDE a valve body or any other components not pictured. As always, do not hesitate to ask me any relevant questions about this item.