SY/T 6671-2017
Classification recommended practice for Class I Zone 0, Zone 1 and Zone 2 of electrical equipment sites in petroleum facilities (English Version)

Standard No.

SY/T 6671-2017

Language

Chinese, Available in English version

Release Date

2018

Published By

Professional Standard - Petroleum

Latest

SY/T 6671-2017

Replace

SY/T 6671-2006

SY/T 6671-2017 history

• 2018 SY/T 6671-2017 Classification recommended practice for Class I Zone 0, Zone 1 and Zone 2 of electrical equipment sites in petroleum facilities
• 2006 SY/T 6671-2006 Recommended practice for classification of locations for electrical installations at petroleum facilities classified as class I, zone 0, zone 1, and zone 2