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VALVE POSITIONERS

A tradition of innovation and reliability, Foxboro Eckardt valve positioners control and monitor pneumatic valve actuators. Advanced diagnostic functionality includes continuous valve health status monitoring and predictive service life evaluation.

Modular sensing and control circuitry is upgradable after installation enabling diagnostic functionality may be added with increasing plant performance and availability demands.

Economic operation, consuming 60 percent less air than conventional electro-pneumatic positioners.

Foxboro Eckardt valve positioners are IP66, NEMA 4X and explosion-proof Class 1, Division 1 certified.

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VALVE POSITIONERS products

SRI990 Analog Positioner / SRI990-T Electrical Position Transmitter

SRI990

The analog Positioner SRI990 with analog input 4-20 mA (or optional with 0-10 VDC) is designed to operate pneumatic valve actuators and is available in the version EEx ia / intrinsically safe and FM.

The adaptation and settings can easily be achieved by the dip-switches for the action of rotation and the input signal as well as by the potentiometers for the zero, span, gain and damping.

The functionality can be checked with a pneumatic test executed by a DIP switch.

Description on electronics:

  • English
  • German

ANALOG (4 to 20 mA):

  • Configuration by means of DIP switches and potentiometers
  • DIP Switch for pneumatic test
  • Pre-configured split ranges
  • Easy configuration of direction of rotation

TECHNICAL DATA:

  • Analog (4-20 mA):Load 300 Ohm (6 VDC at 20mA)
  • Analog (0-10 V DC): 4-wire-version, operation by U/I-converter (on request)
  • Conversion to intelligent version SRD991 by exchanging the modular electronics (housing, air connections and accessories are identical)

COMMON FEATURES:

  • Stroke 8 to 260 mm (0.3 to 10.2 in)
  • Angle range up to 95°
  • Supply air pressure up to 6 bar (90 psig). With Spool Valve up to 7 bar (105 psig)
  • Low air consumption
  • Low vibration effect in all directions
  • Single or double-acting
  • Mounting on linear actuators directly or according to IEC 534, Part 6 (NAMUR)
  • Mounting on rotary actuators according to VDI/VDE 3845
  • Protection class IP 65, IP66, NEMA 4X
  • Explosion protection:
  • • II 2 G EEx ia IIC acc. to ATEX
  • • “Intrinsic Safety” acc. to FM
  • Optional built-in independent inductive limit switches in 2-wire or 3-wire technology, or micro switches
  • Independent position feedback 4 to 20 mA (integrated on electronic / optional)

 

 

SRI983 Electro-Pneumatic Positioner – explosion proof or Ex d (Flameproof) version

SRI986

The electro-pneumatic Positioner SRI983 with analog input 4-20 mA is designed to operate pneumatic valve actuators and is available in the version Ex d – Flameproof / “explosion proof” / “intrinsic safety”.

The adaptation and settings of zero and span can easily be achieved by the knurled-head screw.

ANALOG:

  • Independent adjustment of zero and span
  • Adjustable amplification and damping
  • Split range up to 3-fold

TECHNICAL DATA:

  • Analog 4-20 mA: Load 260 Ohm (5.2 VDC at 20 mA)

COMMON FEATURES:

  • Stroke 8 to 100 mm (0.3 to 4 in), extended stroke range on request
  • Angle range up to 120°
  • Characteristic curves by cams
  • Supply air pressure up to 6 bar (90 psig)
  • Built-in pressure gauges (optional)
  • Low air consumption
  • Low vibration effect in all directions
  • Single or double-acting
  • Mounting on linear actuators according to IEC 534, Part 6 (NAMUR)
  • Mounting on rotary actuators according to VDI/VDE 3845
  • Protection class pneumatic unit: IP54,
  • IP65 (on request)
  • Protection class I/P-converter: IP65 (acc. to ATEX), NEMA 4 (acc. to FM and CSA)
  • Explosion protection:
  • • II 2 G Ex d IIC / Flameproof acc. to ATEX
  • • “Explosion proof“ (“Intrinsic Safety”) acc. to FM and CSA

SRI983

 

SRI986 Electro-Pneumatic Positioner

 

SRI986

The electro-pneumatic Positioner SRI986 with analog input 0/4-20 mA (or optional with 0-10 VDC) is designed to operate pneumatic valve actuators and is available in the version Ex ia / intrinsic safety.

The adaptation and settings of zero and span can easily be achieved by the knurled-head screw.

More than 1 Million Applications worldwide

ANALOG (4 to 20 mA):

  • Independent adjustment of zero and span
  • Adjustable amplification and damping
  • Split-Range up to 3-fold

TECHNICAL DATA:

  • Analog (0/4-20 mA): Load 200 Ohm (4 VDC at 20 mA)
  • Analog (0-10 VDC): 4-wire-version, operation by U/I-converter (on request)

COMMON FEATURES:

  • Stroke 8 to 100 mm (0.3 to 4 in); extended stroke range on request
  • Angle range up to 120°
  • Characteristic curves by cams
  • Supply air pressure up to 6 bar (90 psig).
  • Low air consumption
  • Low vibration effect in all directions
  • Single or double-acting
  • Mounting on linear actuators according to IEC 534, Part 6 (NAMUR)
  • Mounting on rotary actuators according to VDI/VDE 3845
  • Protection class IP 54, IP 65 (on request)
  • Explosion protection:
  • • II 2 G Ex ia IIC acc. to ATEX
  • • “Intrinsic Safety” acc. to FM and CSA
  • Certificate No. 90/20226 (E2) „Lloyd’s Register of Shipping“ for use on vessels

MODULAR SYSTEM FOR ACCESSORIES:

  • Built-in independent inductive limit switches in 2-wire, 3-wire or microswitch-technology (optional)
  • Independent position feedback 4-20 mA (optional)
  • Booster Relays with an air capacity of up to 110,000 ln/h (3,884 scfh)
  • Connection Manifolds and gauges

SRI986

SRP981 Pneumatic Positioner

SRP981

The Pneumatic Positioner SRP981 with pneumatic input 0.2-1 bar is designed to operate pneumatic valve actuators and is available in the version ATEX-constructive safety and in connection with the accessories in EEx ia / intrinsic safety.

The adaptation and settings of zero and span can easily be achieved by the knurled-head screw.

PNEUMATIC INPUT SIGNAL:

  • Independent adjustment of zero and span
  • Adjustable amplification and damping
  • Split-Range up to 4-fold

TECHNICAL DATA:

  • Signal range 0.2 to 1 bar (3 to 15 psig)

COMMON FEATURES:

  • Stroke 8 to 100 mm (0.3 to 4.0 in), extended stroke range on request
  • Angle range up to 120°
  • Characteristic curves by cams
  • Supply air pressure up to 6 bar (90 psig).
  • Built-in pressure gauges (optional)
  • Low air consumption
  • Low vibration effect in all directions
  • Single or double-acting
  • Mounting on linear actuators according to IEC 534, Part 6 (NAMUR)
  • Mounting on rotary actuators according to VDI/VDE 3845
  • Protection class IP54, IP65 (on request)
  • Special version with Stainless Steel housing available
  • Explosion protection:

• Basic unit: II 2 G c IIC (ATEX-constructive design)

• Accessories: II 2 G EEx ia IIC acc. to ATEX

• Accessories: “Intrinsic Safety” acc. to FM and CSA

  • Certificate No. 90/20226 (E2) “Lloyd’s Register of Shipping“ for use on vessels

MODULAR SYSTEM FOR ACCESSORIES:

  • Built-in independent inductive limit switches in 2-wire, 3-wire or microswitch- technology (optional)
  • Independent position feedback 4 to 20 mA (optional)
  • Booster Relays with an air capacity of up to 110,000 ln/h (3,884 scfh)
  • Connection Manifolds and gauges

SRP981

 

FRS02 Filter Regulator

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Control of instrument supply air pressure, and removal of dust particles and water content by filtration.

By using a short piece of pipe, it can be mounted directly to valve positioners SRI990, SRD991 and SRD960.

Features

  • Dedicated for direct mounting to SRI990, SRD991 and SRD960 Positioners
  • Aluminum housing
  • (Stainless Steel version see FRS03)
  • Gauge scale in bar / psi / kPa
  • Sinter bronce filter 30 µm
  • Explosion protection: ATEX II 2 GD c IIC T6

 

SMI983 Electrical Position Transmitter

SMI983

The electrical position transmitter SMI983 converts the linear or rotary movement of a valve / actuator into a 4 to 20 mA standard electrical signal. The configuration of the feedback signal in correspondence to the position of the actuator is easily performed by two push-buttons.

TECHNICAL DATA:

  • Non-reactive conversion of valve- or actuator-position into a load-independent 4 to 20 mA signal
  • Two-wire circuit

COMMON FEATURES:

  • Easy adjustment of zero and span by two push buttons
  • Operating condition is displayed by two LEDs
  • Easy configuration of the feedback from direct to reverse
  • The feedback signal can be randomly adjusted between 4 to 20 mA
  • Wear-free, high linear scanning with conductive plastic precision potentiometer
  • Mounting on linear actuators according to IEC 534, Part 6 (NAMUR)
  • Mounting on rotary actuators according to VDI/VDE 3845
  • Simple adjustment to strokes of 5 to 100 mm (0.3 to 4 in) and, by means of rotary adapter, to angular displacements of up to 120°
  • Protection class IP 65
  • Explosion protection:

• II 2 G EEx ia IIC acc. to ATEX

• “Intrinsic Safety” acc. to FM and CSA

SMI983

 

SMP981 Pneumatic Position Transmitter

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A wide range of position transmitters is available to monitor position of valves and actuators.

Features

  • Non-reactive conversion of stroke position into a 0.2 to 1 bar pneumatic standard signal
  • Simple installation and adjustment
  • Zero and range settings non-interactive
  • Attachment according to DIN IEC 534 part 6 (NAMUR)
  • Robust, corrosion protected design
  • Simple matching to strokes of 8 to 115 mm and, by means of rotary adapter, to angular displacements of 30° to 120°
  • Protection class IP 54

SRD960 Universal Positioner

SRD960

The Universal Positioner SRD960 is designed to operate pneumatic valve actuators and is available in the version Ex d (flameproof) / explosion proof.

The positioner is available with different communication protocols. This includes versions with HART-signal, digital with FoxCom protocol, or fieldbus communication according to PROFIBUS-PA and FOUNDATION fieldbus H1 based on IEC 1158-2 acc. to the FISCO-Model.

The unit can be configured and operated by using FDT/DTM. The SRD can also be integrated into system environments and applications that support the FDT/DTM concept according to the Specification 1.2. For this purpose the required DTMs for HART, PROFIBUS and FoxCom are available.

In addition the device can be integrated into any other common control system such as Fisher Rosemount-AMS or -Delta-V, Siemens SIMATIC-PDM, Yokogawa, Honeywell, ABB and SMAR.

The local operation and configuration can be achieved comfortably and easily by a backlit multi-lingual full text graphic-LCD in connection with the external 4 push buttons.

Available menu-languages so far:

  • English (Standard)
  • German (Standard)

Freely selectable third menu-language:
French, Spanish, Portuguese, Polish, Czech, Italian, Turkish, Swedish, Finnish, Chinese, Russian, Hungarian, Serbian, Dutch, Romanian and Lithuanian

INTELLIGENT:

  • Autostart with self-calibration
  • Self diagnostics, status- and diagnostic messages
  • Advanced Diagnostics for Valve predictive maintenance
  • Premium Diagnostics for Valve Signatures, On-Line Friction.
  • Easy local operation and configuration by means of four external push-buttons
  • Display by means of full-text-graphical-LCD with backlight, in multiple languages
  • WITH COMMUNICATION: HART, FOUNDATION fieldbus H1, PROFIBUS-PA
  • Configuration by means of local keys, hand-held terminal, PC or I/A Series system

TECHNICAL DATA:

  • HART: Load 420 Ohm (8.4 VDC at 20 mA)
  • Fieldbus: Base-current 10.5 mA (acc. to FISCO)Function-blocks: AO, PID, Transducer, Resource, Link Master (backup-LAS)

COMMON FEATURES:

  • Stroke 8 to 260 mm (0.3 to 10.2 in)
  • Angle range up to 95 °
  • Supply air pressure up to 6 bar (90 psig)
  • Low air consumption
  • Low vibration effect in all directions
  • Single or double-acting
  • Mounting on linear actuators directly
  • or according to IEC 534, Part 6 (NAMUR)
  • Mounting on rotary actuators according to VDI/VDE 3845
  • Protection class IP 66, NEMA 4X
  • Explosion protection:   (II 2 G Ex d IIC / „Flameproof“ acc. to ATEX  “Explosion Proof“ or “Intrinsic Safety” acc. to FM and CSA )
  • Built-in independent inductive limit switches in 2-wire or 3-wire technology (optional)
  • Pressure Sensors for supply air and output (optional)
  • Additional in-/outputs (optional):
  • Additional in-/outputs (optional): (2 binary outputs (position alarms),Position Feedback 4 to 20mA, 1 alarm output,2 binary Outputs)

SRD960

 

SRD991 Intelligent Positioner Ex ia / Intrinsically safe

SRD991

A wde range of position transmitters is available to monitor position of valves and actuators.The intelligent Positioner SRD991 is designed to operate pneumatic valve actuators and is available in the version EEx ia / intrinsically safe.

The positioner is available with different communication protocols. This includes versions with analog setpoint (4 to 20 mA) without communication and with superimposed HART-signal; digital with fieldbus communication according to PROFIBUS-PA and FOUNDATION Fieldbus H1 based on IEC 1158-2 acc. to the FISCO-Model.

The intelligent Positioner SRD991 is designed to operate pneumatic valve actuators and is available in the version EEx ia / intrinsically safe. The positioner is available with different communication protocols. This includes versions with analog setpoint (4 to 20 mA) without communication and with superimposed HART-signal; digital with fieldbus communication according to PROFIBUS-PA and FOUNDATION Fieldbus H1 based on IEC 1158-2 acc. to the FISCO-Model.The unit can be configured and operated from the Foxboro I/A Series System in connection with our Intelligent Field Device Configurator (IFDC) or the PC-based configuration- and operation tool PC20. The SRD can also be integrated into system environments and applications that support the FDT/DTM concept according to the Specification 1.2.For this purpose the required Vendor’s specific DTMs (called VALcare or Valve Monitor) for HART, PROFIBUS, FOUNDATION Fieldbus and FoxCom are available. In addition the device can be integrated into any other common control system such as Fisher Rosemount-AMS or –Delta-V, Siemens SIMATIC- PDM, Yokogawa, Honeywell, ABB and SMAR.The local operation and configuration can be achieved comfortable and easy by a multi-lingual full text graphic LCD in connection with the three push buttons.

SRD991

 

The unit can be configured and operated from the Foxboro I/A Series System in connection with our Intelligent Field Device Configurator (IFDC) or the PC-based configuration- and operation tool PC20. The SRD can also be integrated into system environments and applications that support the FDT/DTM concept according to the Specification 1.2.

For this purpose the required Vendor’s specific DTMs (called VALcare or Valve Monitor) for HART, PROFIBUS, FOUNDATION Fieldbus and FoxCom are available.

In addition the device can be integrated into any other common control system such as Fisher Rosemount-AMS or –Delta-V, Siemens SIMATIC- PDM, Yokogawa, Honeywell, ABB and SMAR.

The local operation and configuration can be achieved comfortable and easy by a multi-lingual full text graphic LCD in connection with the three push buttons.

FRS02 Filter Regulator

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Control of instrument supply air pressure, and removal of dust particles and water content by filtration.

By using a short piece of pipe, it can be mounted directly to valve positioners SRI990, SRD991 and SRD960.

Features

  • Dedicated for direct mounting to SRI990, SRD991 and SRD960 Positioners
  • Aluminum housing
  • (Stainless Steel version see FRS03)
  • Gauge scale in bar / psi / kPa
  • Sinter bronce filter 30 µm
  • Explosion protection: ATEX II 2 GD c IIC T6

 

FRS03 Filter Regulator

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Control of instrument supply air pressure, and removal of dust particles and water content by filtration.

By using a short piece of pipe, it can be mounted directly to valve positioners SRI990, SRD991 and SRD960.

Features

  • Dedicated for direct mounting to SRI990, SRD991 and SRD960 Positioners
  • Stainless Steel housing
  • Gauge scale in bar / psi / kPa
  • Stainless Steel filter 30 µm
  • Explosion protection: ATEX II 2 GD c IIC T6

 

 

FRS923 Filter Regulator

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Control of instrument supply air pressure, and removal of dust particles and water content by filtration.

Features

  • Minimal effect of upstream pressure fluctuation
  • Low inherent air consumption
  • Aluminum housing
  • With or without filter
  • Explosion protection: II 2 G c IIC T4 –T6 ATEX according to EN 13463-1 and EN 13463-5