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www.ChineseStandard.net Database: 189760 (1 Nov 2025)

SY/T 6671-2017 English PDF

SY/T 6671: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
SY/T 6671-2017EnglishRFQ ASK 13 days [Need to translate] Recommended practice for lassification of locations for electrical installations at petroleum facilities classified as Class I, Zone 0, Zone 1, and Zone 2 Valid SY/T 6671-2017
SY/T 6671-2006EnglishRFQ ASK 10 days [Need to translate] Recommended practice for classification of locations for electrical installations at petroleum facilities classified asa class Ⅰ, zone 0, zone 1, and zone 2 Obsolete SY/T 6671-2006

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Basic data

Standard ID SY/T 6671-2017 (SY/T6671-2017)
Description (Translated English) Recommended practice for lassification of locations for electrical installations at petroleum facilities classified as Class I, Zone 0, Zone 1, and Zone 2
Sector / Industry Oil & Gas Industry Standard (Recommended)
Classification of Chinese Standard E09
Classification of International Standard 13.100
Word Count Estimation 134,192
Date of Issue 2017-11-15
Date of Implementation 2018-03-01
Older Standard (superseded by this standard) SY/T 6671-2006
Quoted Standard API RP 2G; API RP 1153; API RP 14C; API RP 14F; API RP 14G; API RP 500; API RP 521; API RP 540; API PUB 4322; API PUB 4589; API PUB 4615; API PSD 2216; AGA XF0277; ASTM D323-82
Adopted Standard API RP 505-2013, MOD
Regulation (derived from) Announcement No. 10 of 2017 by the National Energy Administration; Announcement No. 1 of 2018 (General Regulation No. 217)
Issuing agency(ies) National Energy Administration
Summary This standard applies to the classification of electrical equipment for temporary and permanent installations, ie for use in normal atmospheric environments where there is a risk of ignition due to the presence of flammable gases or a mixture of vapour and air. Normal atmospheric conditions are defined as reference points of 101.3 kPa (14.7 psia) and 20 �� C (68 ��F), and the effect of the change on the explosive properties of flammable materials is negligible. The following items are not included in this standard: a) Pipeline systems for odorizing natural gas fuels used in cooking, heating, air conditioning, laundry and other similar equipment. b) Catastrophic accidents such as blowouts or bursting of process vessels. Such extreme events are unpredictable and require contingency measures when they occur. c) Rationality of installing non-electrical equipment locations. d) contains can

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