SS5 Smart Valve Positioner

Brand: A-T Controls, Inc.
Perfect combination with reliable fail freeze function and smart performance with innovative durable coil drive.
Features
  • “Fail Freeze” function to help the valve stay at the last position on the electrical power supply or the pneumatic supply air by accident 
  • Easy and quick auto-calibration 
  • Detects RA (reverse acting) or DA (direct acting) automatically regardless of wrong air connections 
  • Available to use for single or double acting without any special adjustments 
  • Compact design allows installation on small actuator 
  • Provides error messages against performance failures 
  • Possible to test the actuator with any fixed signal under a test model 
  • Programmable characteristic curve with 17 points 
  • Wide operating temperature range -30° to 80° C (-22 to 176° F) 
  • Improved control of high-friction globe and ball valves by eliminating an overshoot and a hunting 
  • Low air consumption 
  • Provides a mounting bracket to meet IEC 60534-6-1 for linear valves 
  • Supports a NAMUR mounting pattern VDI/VDE 3845 (IEC 60534-6-2) and provides a multi-size mounting bracket for rotary valves 
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Perfect combination with reliable fail freeze function and smart performance with innovative durable coil drive.
Features
  • “Fail Freeze” function to help the valve stay at the last position on the electrical power supply or the pneumatic supply air by accident 
  • Easy and quick auto-calibration 
  • Detects RA (reverse acting) or DA (direct acting) automatically regardless of wrong air connections 
  • Available to use for single or double acting without any special adjustments 
  • Compact design allows installation on small actuator 
  • Provides error messages against performance failures 
  • Possible to test the actuator with any fixed signal under a test model 
  • Programmable characteristic curve with 17 points 
  • Wide operating temperature range -30° to 80° C (-22 to 176° F) 
  • Improved control of high-friction globe and ball valves by eliminating an overshoot and a hunting 
  • Low air consumption 
  • Provides a mounting bracket to meet IEC 60534-6-1 for linear valves 
  • Supports a NAMUR mounting pattern VDI/VDE 3845 (IEC 60534-6-2) and provides a multi-size mounting bracket for rotary valves 

SS5

Actuator Operation

Protection Class

Feedback Lever

Feedback Lever

Pressure Gauge

Position Feedback

Communication

Connection Threads

Mounting Bracket

Feedback Pin Guide Lever Set

Specifications

Actuator Type

  • Linear
  • Rotary

Air Consumption

  • 0.07 scfm (2 L/minute) at 20 to 90 psig Supply Pressure

Air Flow Capacity

  • 2.8 scfm (4.8 Nm³/hour) at 20 psig Supply Pressure
  • 8.2 scfm (14 Nm³/hour) at 20 psig Supply Pressure

Air Supply

  • psi: 20 to 100 (kPa: 140 to 700, bar: 1.4 to 7), Filtered, Compressed Dry & Non-Oiled to Meet Class 3 of ISO 8573-1

Approvals & Certifications

  • ATEX
  • IC
  • IEC 60534-6-2, 60534-6-1
  • IECEx
  • KC Ex Ia IIC T5

BSP Connection

  • 1/4" BSPT Female - Pneumatic-Electrical

Communication

  • FOUNDATION Fieldbus
  • HART
  • Profibus

Current

  • Maximum
  • Minimum 3.6 mA

Display

  • LCD Display

Electrical Connectors

  • 1/2" NPT
  • G 1/2"
  • M20 x 1.5

Enclosure Finish

  • Powder Paint Coated

Enclosure, Body Material

  • Aluminum Die Cast

Environmental Protection

  • Explosion-proof
  • Intrinsically Safe
  • IP66
  • Weatherproof

Hysteresis

  • < 0.2% of Full Scale

Indication

  • 4-Digit LCD Indicator

Input Signal

  • 4-20 mA at 24 Vdc

Linearity

  • <± 0.3% of Full Scale

Linearization

  • 17-Points - Performance Characteristic

Mounting

  • NAMUR

NPT Connection

  • 1/4" NPT Female - Pneumatic Connections

Operating Temperature

  • -30° to 80° C (-22° to 176° F)

Output

  • 4-20 mA - Output Position Transmitter

Output Pressure

  • 0 to 100% of Supply Air Pressure

Pressure Range

  • psi: 150 (kPa: 1,000, bar: 10) - Pressure Gauge
  • psi: 90 (kPa: 620.5, bar: 6.205) - Pressure Gauge

Pressure Type

  • Gauge

Range

  • 0 to 10% of Position Signal - Shut-Off Value

Repeatability

  • < 0.2% of Full Scale

Scan Time

  • 2 milliseconds

Sensitivity

  • < 0.2% of Full Scale

Supply Pressure

  • psig: 20 to 90 (kPa: 137.9 to 620.5, bar: 1.37 to 6.205)

Switch Type

  • Micro Switch
  • SPDT

Voltage Drop

  • with HART : 9.4 Vdc (470 ohms at 20 mA)
  • without HART: 8.7 Vdc (435 ohms at 20 mA)

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