butterfly valves, chiksan valve, weco, fmc, baton rouge, louisiana, plug valve,oil field, petrochemical, sour gas
Home Products Services Contact Us Search Site Map

Top

Weco Pneumatic Actuators

Top

Double-acting or fail-safe spring return actuator for 2- through 12-inch valve sizes

Dimensions 

Recommended Service and Special Features:

Pneumatic Actuators.gif (118393 bytes)Patented pneumatic actuator for on/off valve operation; Full 90° operation with a minimum of 30 psi air, no adjustments required; Totally enclosed and sealed actuator has integral disc position indicator and manual override; Exclusive involute drive provides constant torque throughout full 90°travel, eliminates shaft side loads, and allows for precise disc positioning; Mounts directly to Weco butterfly valves without special adapters or mounting hardware.

Weco Pneumatic Actuators Dimensions      Back

Weco Pneumatic Actuators Dimension Graphic

Double Acting Models
Model Valve Sizes, in Weight (lbs) A B C D E F G H J K L M N
330 2-6 81/2 129/16 83/4 35/16 713/16 115/16 21/16 2 37/8 45/16 17/16 3/8-16 UNC 31/4 5/8
350 5-6 18 161/8 125/16 35/16 713/16 115/16 21/16 35/16 61/2 45/16 17/16 3/8-16 UNC 31/4 5/8
550 8-10 35 193/8 1311/16 53/16 121/16 33/16 31/16 35/16 61/2 55/16 17/8 1/2-13 UNC 5 7/8
550A 12 35 193/8 1311/16 53/16 121/16 33/16 31/16 35/16 61/2 55/16 17/8 1/2-13 UNC 5 11/8
590 10 55 22 157/8 53/16 121/16 33/16 31/16 55/16 109/16 55/16 17/8 1/2-13 UNC 5 7/8
590A 12 55 22 157/8 53/16 121/16 33/16 31/16 55/16 109/16 55/16 17/8 1/2-13 UNC 5 11/8

 

Spring Return Models
Model Valve Sizes, in Weight (lbs) A B C D E F G H J K L M N
332 2-21/2 13 199/16 153/4 35/16 85/8 115/16 21/16 2 37/8 45/16 17/16 3/8-16 UNC 31/4 5/8
333 3-4 15 199/16 153/4 35/16 85/8 115/16 21/16 2 37/8 45/16 17/16 3/8-16 UNC 31/4 5/8
354 3-4 25 201/4 167/16 35/16 85/8 115/16 21/16 35/16 61/2 45/16 17/16 3/8-16 UNC 31/4 5/8
355 5-6 31 201/4 167/16 35/16 85/8 115/16 21/16 35/16 61/2 45/16 17/16 3/8-16 UNC 31/4 5/8
596 8-10 93 301/8 24 51/16 131/8 33/16 31/16 55/16 109/16 55/16 17/8 1/2-13 UNC 5 7/8
597A 12 103 301/8 24 51/16 131/8 33/16 31/16 55/16 109/16 55/16 17/8 1/2-13 UNC 5 17/8

 

 

 
 

butterfly valves, chiksan, weco, fmc, baton rouge, louisiana, plug,oil field, petrochemical, sour gas