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Instantly add the SS2, RSS2 & SS2S Smart Valve Positioner and 50,000+ more product series to your store or catalog  
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A-T Controls Linear or Rotary Smart Valve Positioner, SS2, RS2 & SS2S

SS2, RSS2 & SS2S Smart Valve Positioner

Brand: A-T Controls, Inc
Add Product to My Catalog

Smart performance with innovative and ever-strong coil drive even under harsh weather environments.
Features
  • Easy And Quick Auto-calibration
  • Detecting 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 Allowing to be Installed on Small Actuators
  • Provide Error Messages Against Performance Failures
  • Possible to Test the Actuator with Any Fixed Signal Under a Test Mode
  • Programmable Characteristic Curve with 17 Points
  • Wide Operating Temperature Range -30 ~ +80° C
  • Improved Control of High-friction Globe and Ball Valves by Eliminating Overshoot and Hunting
  • Low Air Consumption
  • Mounting Bracket to Meet IEC 60534-6-1 for Linear Valves
  • Support a NAMUR Mounting Pattern VDI/VDE 3845 / IEC 60534-6-2 and Providing a Multi-size Mounting Bracket for Rotary Valves

1 - 2 of 2 Part Numbers
SS2R-IN2NQH4R0
SS2R-IN2NQH4R0
A-T CONTROLS Smart Valve Positioner, Rotary, Intrinsically Safe (ATEX/IECEx), NAMUR Shaft (direct Mounting), 150 psi, HART, 4-20 mA, (2) SPDT
HART Auto-Calibrate Digital Display Positioner

4-20mA Input / 4-20mA Output Transmitter

(2) Microswitches 10.1Amps @ 250VAC  Low Air Consumption

-40 Deg to +176 Deg F, 1/4" NPT air ports

1/2" NPT Conduit Entry, Intrinsically Safe IECEx / ATEX Ex ia IIC T5, 150PSI Max

Weight = 3.5 Lbs, NAMUR Shaft & 304SST Bracket
SS2R-IN2NQN4R0
SS2R-IN2NQN4R0
A-T CONTROLS Smart Valve Positioner, Rotary, Intrinsically Safe (ATEX/IECEx), NAMUR Shaft (direct Mounting), 150 psi, 4-20 mA, (2) SPDT
  • Smart Auto-Calibration Digital Display Positioner
  • 4-20mA Input - 4-20mA Output Transmitter
  • (2) Microswitches 10.1 Amps @ 250 VAC
  • 150 psi Maximum
  • 1/4" NPT Air Ports
  • 1/2" NPT Conduit Entry
  • Intrinsically Safe IECEx / ATEX Ex ia IIC T5
1 - 2 of 2 Part Numbers

View_Details

Specifications

Brand

Actuator Type

  • Linear (Direct-Acting, Reverse Acting)
  • Rotary (Spring Return, Double-Acting)

Air Consumption

  • 0.07 scfm (14 Nm³/hour) (2 L/minute) at psig: 20 to 90 (kPa: 137.9 to 620.5, bar: 1.37 to 6.20) Supply Pressure

Air Flow Capacity

  • 2.8 scfm (4.8 Nm³/hour) (80 L/minute) at psig: 20 (kPa: 138, bar: 1.38) Supply Pressure
  • 8.2 scfm (14 Nm³/hour) (233 L/minute) at psig: 20 (kPa: 138, bar: 1.38) 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

Alarm

  • High/Low

Ambient Temperature Range

  • -30° to 85° C (-22° to 185° F) - Micro Switches

Approvals & Certifications

  • ATEX Intrinsically Safe: Ex ia IIC T5
  • CE
  • IEC 60534-6-1, 60534-6-2
  • IEC Ex Intrinsically Safe: Ex ia IIC T5
  • ISO 8573-1
  • KC Intrinsically Safe: Ex ia IIC T5

BSP Connection

  • 1/4” BSPT Female - Pneumatic Connection for 1/4” BSPT

Cable Length

  • 9.8 to 49.2 (3 to 15 metres) - RSS2

Communication

  • FOUNDATION Fieldbus
  • HART
  • PROFIBUS

Current

  • 3.6 mA Min.
  • 30 mA DC - Output Current Limit of Position Transmitter
  • 50 mA - Max.

Deadband

  • 0 to 9.99 %

Display

  • 4-Digit LCD

Electrical Connectors

  • 1/2” NPT
  • G 1/2”
  • M20 x 1.5

Electrical Rating

  • 10.1 A at 250 Vac - Micro Switches

Enclosure Finish

  • Powder Paint Coated

Enclosure, Body Material

  • 316 Stainless Steel - SS2S
  • Aluminum Die Cast

Environmental Protection

  • Weatherproof to IP66

Hysteresis

  • < 0.2 % of Full Scale

Input Signal

  • 4-20 mA at 24 Vdc

Linearity

  • < ± 0.3 % of Full Scale
  • ± 0.5 % of Full Scale - Position Transmitter

Linearization

  • User Set (17-Points) - Performance Characteristic

Mounting

  • Fork Lever - for Rotary Typical
  • NAMUR VDI/VDE 3845 (IEC 60534-6-2) - Rotary Typical

NPT Connection

  • 1/4” NPT Female - Pneumatic Connection

Operating Temperature

  • -30° to 80° C (-22° to 176° F)

Output

  • 20-4 mA
  • 4-20 mA, 2-Wire - Position Transmitter

Output Pressure

  • 0 to 100 % of Supply Air Pressure psi: 20 to 100 (kPa: 140 to 700, bar: 1.4 to 7)

Power Supply

  • 12-30 Vdc - Position Transmitter

Pressure Range

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

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

Span & Zero Adjustments

  • 0 to 100 % - Span Adjustment
  • 0 to 99 % - Zero Adjustment

Switch Quantity

  • 2 Switches

Switch Type

  • Microswitch (SPDT)

Voltage Drop

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

Documentation

Brochure

Datasheet

Manual

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