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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

Actuator, Pneumatic (Type 754)

The Type 754 actuator is a pneumatically operated, spring-opposed diaphragm actuator designed specifically to fit the Research Control Valve body-bonnet assembly. The unit is available in two sizes: one to fit the 1/4" valve and a larger version to fit the 1/2" through 1" valves. It provides smooth linear retraction of the valve stem upon an increasing instrument signal. A decrease in instrument signal causes the stem to extend and close the valve. Downward closing force is generated by the spring, bearing on the diaphragm plate. An increasing pressure in the diaphragm cavity opposes the force of the spring and retracts the stem, opening the valve. The unit is designed to extend the stem, closing the valve, should the instrument signal fail.

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  • Size Range
    6.35...12.7 mm
    1/4...1/2 in. 
  • Temperature Range
    –29...71° C
    –20...160° F
  • Pressure Range
    Up to 4.1 bar 
    Up to 60 psi
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Specifications

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  • Size Range
    6.35...12.7 mm
    1/4...1/2 in.
  • Temperature Range
    –29…71° C
    –20…160° F
  • Pressure Range
    Up to 4.1 bar
    Up to 60 psi

Product Documentation

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Product Data Sheets RCV Actuator Type 754 Standard Air-to-Open Research Control Valve (RCV) {{moreContent}} {{seeAllLabel}} | English
Manuals & Guides Multi-language Research Control® Valve Pictorial Research Control Valve (RCV) {{moreContent}} {{seeAllLabel}} | English
Selection & Ordering Guides Research Control® Valve Research Control Valve (RCV) {{moreContent}} {{seeAllLabel}} | English
Manuals & Guides RCVcalc Valve Sizing Software Research Control Valve (RCV) {{moreContent}} {{seeAllLabel}} | English
Forms RCV Valve Order Specification Sheet Research Control Valve (RCV) {{moreContent}} {{seeAllLabel}} | English
Application Data Sheets Chemical Compatibility Chart Research Control Valve (RCV) {{moreContent}} {{seeAllLabel}} | English
Sell Sheets RCVcalc Valve Sizing Software Research Control Valve (RCV) {{moreContent}} {{seeAllLabel}} | English
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Research Control Valve (RCV) RCVcalc - Research Control Valve Sizing Software Software | Updated August 19, 2020 | 76.13 MB See Release Notes
Research Control Valve (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