Foxboro's Valve Positioners
Valve Positioners and Accessories
Foxboro Positioners, easy to install, control and monitor on any type of pneumatic valve actuators with the highest diagnostic level. With a complete range of accessories, valves can be fully equipped and your process optimized at its best.
Valve Positioners - A solution to any application
To enable you to drive your process at its best, we manufacture high performance Valves Positioners that are easy to use and from best reliability and robustness to fulfill any request from any application worldwide.
The intelligent positioners series SRD is designed to operate pneumatic valve actuators and can be driven from control systems, controllers or PC-based configuration tools.
Our smart positioners provide unmatched stable and accurate control, based on the flapper nozzle principle.
The enhanced functionalities of the SRD series enable a significant reduction in commissioning time and reduction of the total installed cost.
Its widest application coverage and full valve compatibility make into a unique universal Valve Positioner.Benefits
- Easy To Use
- Fast Commissioning
- User-friendly LCD with intuitive menu
- Full Valve Compatibility
- DCS Seamless Integration
- Available in aluminium or 316 stainless steel housing
- Reliability and Robustness
- SIL 3
- Certified Ex ia/ IS or Ex d/ XP according to ATEX, FM, CSA, EAC and INMETRO
- Premium Technologies:- Partial Stroke Test (PST)
- Premium diagnostic
- Fugitive Emission Monitoring
- Control in the Field with FF H1
- All Process industries applications in hazardous or non hazardous areas
- Food & Beverage with Top Mounting Solution (special design for diaphragm and angle seats valves)
- Chemical Processes with Volatile Organic Compound (with our Fugitive Emission Monitoring Solution)
- High vibrations & temperature applications with the Remote Mounting Solution
- Partial Stroke Test (PST) for emergency shutdown applications
Documents and Downloads (61)
Software - Released Positioner LCD Language Files for SRD991/SRD960 1/31/19 English SRDplfRev3_2.zip14.5 KB Positioner LCD Language Files for SRD991/SRD960 1/31/19 English SRDplfRev3_3.zip21.5 KB Positioner LCD Language Files for SRD991/SRD960 1/31/19 English SRDplfRev3_4.zip29.4 KB Positioner LCD Language Files for SRD991/SRD960 1/31/19 English SRDplfRev3_6.zip32.6 KB DTM files Communication-DTM for SRD991, SRD960, 244LD, 144LD, 144LVD via FoxCom/EDCcom/IRcom 1/11/19 English ModemInstall.zip15.4 MB GSD files for SRD960 1/14/19 English FD-SOFT-PO-015.zip2.9 KB SRD991, SRD960 DTM 1/31/19 English DTM_for_SRD_Release_3.6.3.zip26.3 MB SRD991 DTM for ECEP EP0315 1/31/19 English DTM_for_SRD_Release_3.5.1_for_ECEP_EP0315.zip28.8 MB User guide SRD991 Intelligent Positioner Quick Guide 5/11/16 English FD-QG-PO-002-CH.pdf935.6 KB SRD991 Intelligent Positioner Quick Guide 5/11/16 English FD-QG-PO-002-EN.pdf429.8 KB SRD991 Intelligent Positioner Quick Guide 5/11/16 French FD-QG-PO-002-FR.pdf398 KB SRD960-TXQ POSITION TRANSMITTER EEx dQuick Guide 6/8/16 English,  French FD-QG-PO-018-INT.pdf156.5 KB SRD991-inox (in Stainless Steel housing) Quick guide 3/4/16 English FD-QG-PO-016.pdf659.4 KB SRD991 Intelligent Positioner Quick Guide 3/8/16 English,  French FD-QG-PO-002-EN-DE-FR-IT.pdf2.5 MB SRD991 Intelligent Positioner Quick Guide 3/8/16 Spanish FD-QG-PO-002-ES-PT-RU-PL.pdf4.9 MB SRD960 Universal Positioner 11/27/18 English FD-QG-PO-001-EN.pdf1 MB SRD991 Intelligent Positioner 11/27/18 English,  French FD-QG-PO-002-EN-DE-FR.pdf2.2 MB SRD991 Intelligent Positioner 11/27/18 English,  French FD-QG-PO-002-EN-DE-FR-IT.pdf2.6 MB CAD CAD drawing of SRD960 in STP Format 3/4/16 English FD-CAD-PO-001.dxf733.5 KB CAD drawing of SRD960 in DXF Format 3/4/16 English FD-CAD-PO-003.igs35.9 MB CAD drawing of SRD991 in DXF Format 3/4/16 English FD-CAD-PO-004.dxf1.1 MB CAD drawing of SRD991 in STP Format 3/4/16 English FD-CAD-PO-005.stp5.1 MB SRD991 dxf [zip] (old version before 2006) 3/4/16 English FD-CAD-PO-006.dxf841.2 KB CAD drawing of SRD991 SST Hosuing in STP Format 3/4/16 English FD-CAD-PO-007.stp3.8 MB Brochure Process Instrumentation for the Chemical Industry 11/27/18 English FD-BR-003.pdf1.3 MB Specification guide Product Specification Sheet SRD960 EN 8/15/18 English FD-PSS-PO-01-EN.pdf925.7 KB Fiche Technique SRD960 FR 4/10/17 French FD-PSS-PO-01-FR.pdf761.6 KB Product Specification Sheet SRD991 En 11/27/18 English FD-PSS-PO-02-EN.pdf2.4 MB Product Specification Sheet SRD991 FR 2/22/18 French FD-PSS-PO-02-FR.pdf1.4 MB Product Specification Sheet SRD991 RU 8/19/16 English FD-PSS-PO-02-RU.pdf2.6 MB Certificate Certificates of conformity for SRD960 Universal Positioner 9/28/16 English FD-CERT-PO-002.pdf741.7 KB ATEX-CSA-FM Certificates of conformity for SRD991 Intelligent Positioner 9/28/16 English FD-CERT-PO-006.pdf605.6 KB SIL3 Certificate for SRD991 Positioner Shutdown Mode 9/28/16 English FD-CERT-PO-005.pdf86.2 KB SIL3 Certificate for SRD960 Positioner 9/28/16 English FD-CERT-PO-001.pdf86.2 KB Zone 20 for Positioner type SRx99x 9/28/16 English FD-CERT-PO-011.pdf206.9 KB SIL3 Certificate SRD960 9/28/16 English SIL3 Certificate SRD960.pdf124.2 KB SIL3 Certificate SRD991 1/10/19 English SRD991 SIL V1R2.pdf123.8 KB Declaration of conformity Installation of the SRD990 in potentially explosive atmospheres for Zone 2 (Manufacturer Assertion) 4/28/16 English FD-DECLA-PO-013.pdf230.7 KB Installation of the SRD991 in potentially explosive atmospheres for Zone 2 (Manufacturer Assertion) 4/28/16 English FD-DECLA-PO-003.pdf587.8 KB CE Konformitätserklärung für SRD991 4/28/16 English FD-DECLA-PO-001.pdf136 KB CE Declaration of Conformity for SRD960 4/28/16 English FD-DECLA-PO-001.pdf136 KB ATEX-CENELEC-FM Certificates of conformity for SRD990 Analog Positioner 3/9/16 English FD-DECLA-PO-012.pdf1.4 MB PC Drivers DD files for SRD960 1/14/19 English FD-SOFT-PO-016.zip118.4 KB DD files for SRD960 1/14/19 English FD-SOFT-PO-011.zip111.5 KB DD - SRD991, SRD960 - Intelligent Positioner for ECEP_EP0315 - Hart Protocol 1/14/19 English DTM_for_SRD_Release_3.5.1_for_ECEP_EP0315.zip28.8 MB DD - SRD960, SRD991 - Intelligent Positioner - Foundation Fieldbus, FoxCom, HART, Profibus 1/14/19 English DTM_for_SRD_Release_3.6.3.zip26.3 MB DD - SRD991, SRD960 - HART EDD for AMS - Hart Protocol 1/14/19 English AMS10.5-Integration-Ver1.0.zip572.6 KB DD - SRD991 - SRD991 Intelligent Positioner - Profibus 1/31/19 English fox_d991_32.zip2.3 KB DD - SRD991 - SRD991 Intelligent Positioner - Profibus 1/31/19 English fox_d991.zip2 KB DD - SRD991 - SRD991 Intelligent Positioner - Foundation Fieldbus 1/31/19 English DD_SRD991-100101.zip113 KB DD - SRD991 - SRD991 Intelligent Positioner - Foundation Fieldbus 1/31/19 English DD_SRD991_090201.zip108.4 KB DD - SRD991 - SRD991 Intelligent Positioner - Foundation Fieldbus 1/31/19 English srd040101.zip48.4 KB DD - SRD991 - HART EDD for HHT375 - Hart Protocol 1/14/19 English Srd991-HCF-Ver1.0.1.zip210.7 KB DD - SRD960 - HART EDD for HHT375 - Hart Protocol 1/14/19 English Srd960-HCF-Ver1.0.1.zip194.5 KB Technical leaflet SIL Safety Instructions SRD991 SRD960 (en) 11/27/18 English SIL Safety Instructions SRD991 SRD960 (en).pdf473.1 KB Technical Instruction for Stainless Steel Housing for SRD991 and SRI991 3/3/16 French FD-TL-PO-010-FR.pdf549.2 KB Technical Instruction for Stainless Steel Housing for SRD991 and SRI990 3/3/16 English FD-TL-PO-010-EN.pdf452.3 KB SRD991/SRD960 with FOUNDATION fieldbus 3/3/16 English FD-TL-PO-008.pdf1.3 MB SRD991/SRD960 with FOUNDATION Fieldbus 3/3/16 English FD-TL-PO-007.pdf2 MB SRD960 PROFIBUS- PA 3/3/16 English FD-TL-PO-005.pdf871.3 KB SRD960 with HART 3/3/16 English FD-TL-PO-004.pdf712 KB