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    Relays & Switches

    RP971A Ratio Relay

    RP971A ratio relays are 4-port non-bleed pneumatic relays that produce a modulating pressure output proportional to pilot input changes. They are used to control pneumatic valves or damper actuators in sequence from a single thermostat.

    Overview

    RP971A ratio relay are 4-port non-bleed pneumatic relays that produce a modulating pressure output proportional to pilot input changes. They are used to control pneumatic valves or damper actuators in sequence from a single thermostat.

    Features & Benefits:
    • Adjustable pilot start point pressures
    • Two pilot pressure spans available
    • Four sharp barb air connections
    • Molded plastic construction with neoprene diaphragms and stainless steel valve seats
    • 100 mesh stainless steel screens in main and branch ports
    • Designed for in-line mounting but can be wall- or panel-mounted
    Engineering Specifications
    Name
    Description
    File Size
    Date
    Size
    Specification Data
    application/pdf 69.16 KB
    5/10/2023
    69.16 KB
    Engineering Data
    application/pdf 8.16 MB
    5/14/2023
    8.16 MB
    Installation Instructions
    Name
    Description
    File Size
    Date
    Size
    Installation Instructions
    application/pdf 307.66 KB
    5/8/2023
    307.66 KB
    Name
    Description
    File Size
    Date
    Size
    Specification Data
    application/pdf 69.16 KB
    5/10/2023
    69.16 KB
    Engineering Data
    application/pdf 8.16 MB
    5/14/2023
    8.16 MB
    Installation Instructions
    application/pdf 307.66 KB
    5/8/2023
    307.66 KB
    Name
    Description
    File Size
    Date
    Size
    Specification Data
    69.16 KB
    5/10/2023
    Engineering Data
    8.16 MB
    5/14/2023
    Installation Instructions
    307.66 KB
    5/8/2023
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    Description
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