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About This Item


Full Description

This standard covers the minimum requirements for a machinery protection system measuring radial shaft vibration, casing vibration, shaft axial position, shaft rotational speed, piston rod drop, phase reference, overspeed, and critical machinery temperatures (such as bearing metal and motor windings). It covers requirements for hardware (transducer and monitor systems), installation, documentation, and testing.

Document History

  1. API Std 670

    Machinery Protection Systems, Fifth Edition

    • Most Recent
  2. API Std 670 (R2010)


    Machinery Protection Systems, Fourth Edition

    • Historical Version
  3. API 670-1993

    Vibration, Axial-Position, and Bearing-Temperature Monitoring Systems

    • Historical Version