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Contact a Customer Care Representative

We’ll get back to you within 24 hours or the following business day.

Prefer to call?
Customer Care representatives are available by phone Monday–Friday, from 9am–5pm CST.

For sales & general inquiries
Municipal water solutions: (800) 616–3837
Commercial & Industrial solutions: (877) 243–1010

For product support
Municipal water solutions: (800) 616–3837
Commercial & Industrial solutions: (877) 243–1010

SRD991 RCV Intelligent Valve Positioner

The top-mounted SRD991 digital positioner is integral with the Type 766 actuator, spring opposed diaphragm actuator designed specifically to fit the Research Control Valve body-bonnet assembly. The unique positioner is compatible for both the 1/4 in. and 1/2 in. actuator.

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  • Temperature Range
    –40…80° C
    –40…176° F
  • Display
    Multilingual Graphical LCD with full text display
    Multilingual Graphical LCD with full text display
  • Range
    8...260 mm with standard lever
    0.3...10.2 in. with standard lever
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Specifications

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  • Temperature Range
    –40…80° C
    –40…176° F
  • Display
    Multilingual Graphical LCD with full text display
    Multilingual Graphical LCD with full text display
  • Range
    8…260 mm with standard lever 
    0.3...10.2 in. with standard lever

Product Documentation

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Product Data Sheets RCV Valves CV vs Lift Chart Research Control Valves (RCV) {{moreContent}} {{seeAllLabel}} | English
Product Data Sheets Non-Rotating Manual Actuation Type NRMA Research Control Valves (RCV) {{moreContent}} {{seeAllLabel}} | English
Product Data Sheets RCV SRD991 Intelligent Valve Positioner Research Control Valves (RCV) {{moreContent}} {{seeAllLabel}} | English
Product Data Sheets RCV SRD991 Intelligent Valve Positioner, Top Mount Research Control Valves (RCV) {{moreContent}} {{seeAllLabel}} | English
Product Data Sheets RCV Stainless Steel Housing for Valve Positioners SRD991-SRI990 Research Control Valves (RCV) {{moreContent}} {{seeAllLabel}} | English
Manuals & Guides RCV Intelligent Valve Positioner Stainless Steel (316L) Research Control Valves (RCV) {{moreContent}} {{seeAllLabel}} | English
Manuals & Guides Attaching Top-Mounted SRD-991 Valve Positioners to 0.25 and 0.5 in Actuators Research Control Valves (RCV) {{moreContent}} {{seeAllLabel}} | English
Manuals & Guides RCV SRD960 Universal Valve Positioner and SRD960-T Position Transmitter Research Control Valves (RCV) {{moreContent}} {{seeAllLabel}} | English
Manuals & Guides VALcare Valve Diagnosis for RCV Valve Positioners SRD991-SRD960 Research Control Valves (RCV) {{moreContent}} {{seeAllLabel}} | English
Manuals & Guides RCVcalc Valve Sizing Software Research Control Valves (RCV) {{moreContent}} {{seeAllLabel}} | English

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Software & Firmware 

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Research Control Valves (RCV) RCVcalc - Research Control Valve Sizing Software Software | Updated August 19, 2020 | 76.13 MB See Release Notes
Research Control Valves (RCV) RCVcalc - Research Control Valve Sizing Software Software | Updated August 19, 2020 | 76.13 MB See Release Notes

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Contact a Customer Care Representative

We’ll get back to you within 24 hours or the following business day.

Prefer to call?
Customer Care representatives are available by phone Monday–Friday, from 9am–5pm CST.

For sales & general inquiries
Municipal water solutions: (800) 616–3837
Commercial & Industrial solutions: (877) 243–1010

For product support
Municipal water solutions: (800) 616–3837
Commercial & Industrial solutions: (877) 243–1010