"#3 ACT
"3 ACT" air volume actuators are suitable for flow control in variable air volume (VAV) air handling units, fans, dampers, and ducts. They are also used in environmental control systems where throttling flow is not necessary.
Our pneumatic air cylinder is durable and made in the USA. It is a #3 Actuator. It is an 8 to 13 psi, 2 3/8" stroke, Pneumatic Air Cylinder. Front mounting with a maximum valve travel of installed piping.
Built to meet and exceed original equipment specifications, this pneumatic Number 3 actuator will fit into most standard control valve bodies. It is designed with a stainless steel shaft that provides durability and added corrosion resistance! Servicing is made even easier thanks to the front-mounting design.
The 333 Packaged Actuator is a pneumatically powered electromagnetic plunger-type damper actuator. It features an integral gap for direct mounting or optional field mounted positioner (Mfg. part #4BK3). It has a sintered iron shaft with stainless steel bushing, 5/16" nutsert on the square end, and integral faceplate. Actuator has a 28 frame size and 11, 12 or 13 mm output shaft. The package includes packaging hardware and instructions for use in sectionalized doors and windows.
The Siemens 331-4810 Building Technologies Damper Actuator provides reliable performance to properly regulate the flow of air in your HVAC system. It is the number 3 stroke actuator and the number 3 size shaft, which has a length of 3.125 inches. This part has two adjustable set screws that allow you to lock down the position of the armature plate for precise control. The adjustable spring rate allows this actuator to compensate for wear on the system and to last longer than conventional units. The 334-1150 is recommended for use with 1/8-inch air supply lines with up to 8
SIEMENS 331-4810 Building Technologies, Front mount, Pneumatic Actuator, Vibration Dampers, Number of blades: 2, 32/64# Double acting out swinging, Stroke in (6): 3.25''