DL/T 991-2022 Active Industry standards-Electricity

DL/T 991-2022 Metallic emission spectrum analysis technology guidelines for power equipment (replacing DL/T 991—2006)

Publish Date: 2022-11-04 Implement Date: 2023-05-04 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: DL/T 991-2022

Standard Type: Industry standards

Standard Status: Active

is_force_gb: no

CCS Name: Power testing technology

ICS Name: Pipe components and pipe systems

Publish Date: 2022-11-04

Implement Date: 2023-05-04

Development Information

Replace the following standards

DL/T 991-2006 Metallographic spectral analysis technology guidelines for electrical equipment

Related Standards

GB/T 16709-1996 Replaced

GB/T 16709-1996 Vacuum technology—Pipeline fittings—Mounting dimensions

Publish Date: 1996-12-23

GB/T 28799.1-2012 Replaced

GB/T 28799.1-2012 Plastics piping systems for hot and cold water installations—Polyethylene of raised temperature resistance(PE-RT)—Part 1:General

Publish Date: 2012-11-05

GB/T 28799.3-2012 Replaced

GB/T 28799.3-2012 Plastics piping systems for hot and cold water installations—Polyethylene of raised temperature resistance(PE-RT)—Part 3:Fittings

Publish Date: 2012-11-05

GB/T 34346-2017 Active

GB/T 34346-2017 Guidelines for risk based safety hazard classification of oil and gas pipelines

Publish Date: 2017-10-14

GB/T 34349-2017 Active

GB/T 34349-2017 External inspection methodology for internal corrosion of natural gas pipelines

Publish Date: 2017-10-14

GB/T 34350-2017 Active

GB/T 34350-2017 External inspection methodology for internal corrosion of liquid petroleum pipelines

Publish Date: 2017-10-14