Positioners


SS Series: Digital Smart Valve Positioners (SS2 / SS3 / SS5)

FEATURES
-  Digital Smart Positioner with Hart Protocol
-  Easy and quick auto-calibration
-  Detecting RA (reverse acting) or DA (direct acting) automatically
-  Available to use with single or double acting actuators
-  Compact design allows installation on small actuators
-  Provides error messages against performance failures
-  Ability to test the actuator assembly with a fixed input signal
-  Programmable characteristic curve with 17 points
-  Includes logic to eliminate overshooting and hunting, improving control
-  Low air consumption (0.07 SCFM)
-  Standard NAMUR mounting bracket (VDI/VDE 3845, IEC 60534-6-2)

SS2 Rotary Smart Digital Valve Positioner - Smart performance with innovative and ever-strong coil drive even under harsh weather environments

  • Wide operating temperature range -22° F to 176° F (-40° C on request)
  • Remote Type option available
  • 316 Stainless Steel body option available
  • IP66 (Intrinsically Safe option)

SS3 Flame Proof Digital Valve Positioner - Sturdy, flameproof housing and smart performance with innovative and ever-strong coil drive even under harsh working environments

  • Flameproof IECEx / ATEX / KC Ex d IIC T6 / IP66
  • Wide operating temperature range -22° F to 167 °F

SS5 Fail-Freeze Digital Smart Postioner - Perfect combination with fail freeze function and smart performance with innovative durable coil drive

  • “Fail Freeze” function helps the valve to stay at the last position in the event of an electrical power supply or pneumatic supply air loss
  • Wide operating temperature range -22° F to 176° F (-40° C on request)
  • IP66 (Intrinsically Safe option) 

PPR-1200 Pneumatic Positioner

TRIAC® PPR 1200 pneumatic positioners (4-20psi, linear pneumatic positioner, and rotary type pneumatic positioner) are advanced control devices which provide unparalleled stability in difficult environments. They are made with a vibration-resistant design and a corrosion-resistant aluminum diecast body. A solid workhorse you can depend on for consistent, reliable control.

  • Easy maintenance
  • Sensitive response for high performance
  • Simple structure for feedback connection
  • Precise calibration with simple SPAN and ZERO adjustments
  • Simple conversion to Direct Acting or Reverse Acting
  • Split range control available by simple adjustments without changing parts
  • NAMUR mounting dimensions
  • Stainless steel gauges standard
  • A restricted pilot valve orifice kit for small actuators included

EPR-1000 Electro-Pneumatic Positioner

TRIAC® EPR 1000 pneumatic positioners (4-20psi, linear pneumatic positioner, and rotary type pneumatic positioner) are advanced control devices which provide unparalleled stability in difficult environments. They are made with a vibration-resistant design and a corrosion-resistant aluminum diecast body. A solid workhorse you can depend on for consistent, reliable control.

  • Easy maintenance
  • Sensitive response for high performance
  • Simple structure for feedback connection
  • Precise calibration with simple SPAN and ZERO adjustments
  • Simple conversion to Direct Acting or Reverse Acting
  • Split range control available by simple adjustments without changing parts
  • Stainless steel gauges standard
  • A restricted pilot valve orifice kit for small actuators included
  • Optional built-in limit switches or 4-20 mA position transmitter for feedback
  • Optional directly-mountable positioner

Other Positioners - Series 760

Siemens Series 760 

  • A cost effective, universal approach to your valve control. The modular concept (Model 760P) allows all models to be built on the base pneumatic unit. The electro-pneumatic model (Model 760E) is created by adapting an I/P Transducer to the base pneumatic unit, and a wide range of accessories easily installs inside the unit.
    • Universal design and choice of interchangeable NAMUR IEC 534-6 rectilinear or VDI/VDE 3845 rotary mountings provide wide application flexibility
    • Double-acting or single-acting service and split ranging afford application versatility in a single unit
    • NACE MR-01-75-compliant material ensures operation in harsh industrial environments
    • Non-interaction of the zero and span adjustments and positive cam locking mechanism significantly reduce the calibration and setup
    • Modular design reduces inventory because it allows interchangeable spare parts
    • Comes standard with 3 cams, linear, quick opening and equal % for application versatility

    The 760 base pneumatic unit provides cam characterization, split ranging, direct or reverse action, and single or double acting without requiring additional parts. Key design features include non-interaction of the zero and span adjustments.

    Series 760 valve positioners include provisions for internal limit switch mounting and position feedback devices without requiring additional housings. Thus, the need to stack housings that impede access to the main enclosure are eliminated.

    A spool valve is used to load the actuator for positioning in response to an input signal. A characterized cam provides mechanical feedback. There are linear, equal percentage and quick opening operation cam profiles, and a blank profile cam is available for custom applications. Rectilinear action length can range from 1/2" to 6".

    The feedback shaft and characterized cam can be replaced in the field to configure the positioner for use with either a rectilinear or rotary actuator. No additional parts are necessary to change between single or double acting actuators or direct or reverse action.


Other Positioners - Series PS2

Siemens PS2 

The PS2 Series digital electro-pneumatic positioner with Hart protocol is used to control the final control element of pneumatic linear or part-turn actuators. The electro pneumatic positioner moves the actuator to a valve position corresponding to the setpoint. Additional function inputs can be used to block the valve or to set a safety position. A binary input is present as standard in the basic device for this purpose.

  • Only one device version for linear and part-turn actuators
  • Simple operation and programming using three keys and a two-line LCD
  • Automatic startup function with self-adjustment of zero and span
  • Manual operation without additional equipment
  • Selectable or freely-programmable characteristics
  • Minimum air consumption
  • Selectable setpoint and manipulated variable limiting
  • Programmable "tight shut-off function”
  • Available for non-hazardous or hazardous applications 
    - as intrinsically-safe device (EEx ia/ib) or
    - in flameproof casing (EEx d)
  • Options:
    With 0/4 to 20 mA communication using HART signals (option)
    With PROFIBUS-PA communications interface (EEx ia)

Other Positioners - YT Series

YT Series

  • YT-1200 
    Pneumatic Positioner
  • YT-1000R-FM
    FM Class I, Div 1 Grps C & D (20°C to 60°C)
  • YT-3400 FM Approved Explosion Proof Electro-Pneumatic
    FM Class I, Div 1 Grps A, B, C, & D T5/T6 (-40°C to 80°C)