Product Announcement from ControlAir Inc.


Pneumatic & Electro-Pneumatic Valve Positioner-Image

Data Sheet

ControlAir Inc., a leading manufacturer of precision pneumatic and electro-pneumatic control products, has expanded their product offering to include a new line of valve positioners.

The ControlAir Type-2000 Pneumatic and Electro-pneumatic Positioner provides stable and accurate positioning of rotary and linear valves. The force balanced instrument is simple, reliable and user friendly for calibration, maintenance and field upgrades. The electro-pneumatic unit is available with worldwide safety approvals in an Intrinsically Safe and Explosion-proof version. The NEMA-4X (IP 66) housing provides rugged resistance to severe industrial environments. The modular design of the Type-2000 allows multiple feature ordering options or easy field conversions.

ControlAir’s base pneumatic version of the Type-2000 operates on a 3-15 psig (0.2-1.0 bar) instrument signal supplied to the positioner to achieve a required valve output. Mechanical feedback via a cam is linked to a spool valve that loads the actuators for positioning and self corrects where necessary.  A modular build concept allows the pneumatic unit to be quickly field converted to a fully optioned electro-pneumatic unit.

The Type-2000 Electro-Pneumatic Positioner receives a 4-20 mA input signal, and uses an integral I/P transducer to convert the input signal to a pneumatic output. Mounted internally to the positioner housing the ControlAir Type-590X I/P Transducer module provides intrinsically safe operation. The positioner can also be ordered with the ControlAir Type-595XP Explosion-Proof I/P mounted to the housing. Either version is available with Factory Mutual (FM), Canadian Standards Association (CSA) or ATEX hazardous area approvals. The positioner is vibration, position and shock insensitive.

The positioners are available for rotary or linear actuation; single and double-acting. The unit accepts standard Namur mounting for rotary actuators.  Multiple cam and spindle configurations are available. Simple yet rugged construction makes the Type-2000 easy to calibrate and maintain. Single piece spindle and stainless steel spool valve design assure long operating life.  The sensitive and high gain pilot valve provides quick and accurate valve/actuator response.

 
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