I think it is for making an oil burner air tube seem shorter; if it sticks too far unto the combustion chamber; adding this brings the air tube 2-1/2 inches to the back, also the 3 holes on each end have different patterns, inside diameter 4-1/2 inches.
KOSO Hammel Dahl Type R Control Valve, Reverse Linear Spring Diaphragm Actuator 1 1/2" Globe Control Valve with Reactivating Equal Percent Spring Diameter Actuator 11/2" Flange Air Operated Linear Actuator Type RAC-6BA Automatic Metso Positioner Series NE Serial N
Koso Hammel Dahl Control Valve 3" Globe Control Valve with Reactivating Equal Percent Spring Diameter Actuator 3" Flange Air Operated Linear Actuator Type R-IMO-RBEEHA Automatic Metso Positioner Series NE Side Mounted Hand Wheel Serial Number:HC1000781001
The is the second one (of 2) that I used on my wood furnace for a short period of time. I have no need for this blower motor. It is in excellent condition.
NEW HANNA SERIES 2H 1 1/2" BORE 4 1/2" STROKE HYDRAULIC CYLINDER MF1/3ANCC 1.50 This is a Brand New Hanna Series 2H Heavy Duty Double Actuating Tie Rod Hydraulic Flange Mount Cylinder, Part# MF1/3ANCC 1.50. This heavy-duty cylinder has a 1 1/2 Inch Bore with a 4 1/2 Inches of stroke with a 5/8" piston.
By clicking "Accept All Cookies", you agree to the storing of cookies on your device to enhance site navigation, analyze site usage, and assist in our marketing efforts.