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Machinery Protection Systems

Available format(s)

PDF

Language(s)

English

Published date

07-07-2025

Publisher

American Petroleum Institute

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US$295.00

Excluding Tax where applicable

Summarise this standard

AI-generated summary

This standard covers the minimum requirements for a machinery protection system (MPS) measuring radial shaft vibration, casing vibration, shaft axial position, shaft rotational speed, piston rod drop, phase reference, overspeed, surge detection, and critical machinery temperatures (such as bearing metal and motor windings).

DocumentType	Standard
Pages	225
PublisherName	American Petroleum Institute
Status	Current
Supersedes	API STD 670:2014(R2022)

Frequently Asked Questions

API 670 specifies design, procurement, installation or protection requirements for rotating or heat-transfer equipment used in petroleum and process facilities. In practice it is applied by mechanical and reliability engineers, suppliers and operators of refinery and process-plant machinery.

API 670 specifies design, procurement, installation or protection requirements for rotating or heat-transfer equipment used in petroleum and process facilities. It is a United States standard published by American Petroleum Institute (API).

API 670 is used by mechanical and reliability engineers, suppliers and operators of refinery and process-plant machinery. It is a United States standard published by American Petroleum Institute (API).

API 670 is American Petroleum Institute (API)'s standard for petroleum and process-industry machinery, while API 610 DATA SHEET covers petroleum and process-industry machinery (United States). API 670 specifies design, procurement, installation or protection requirements for rotating or heat-transfer equipment used in petroleum and process facilities. API 610 DATA SHEET specifies design, procurement, installation or protection requirements for rotating or heat-transfer equipment used in petroleum and process facilities. It supports consistent specification, verification and documented acceptance across the relevant lifecycle.

No — API 670 is a United States standard published by American Petroleum Institute (API), with its listed region as United States.

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API STD 670:2025

Machinery Protection Systems

Abstract

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What is API 670 used for?

What is the scope of API 670?

Who is API 670 written for?

What is the difference between API 670 and API 610 DATA SHEET?

Is API 670 an Australian standard?