Sign In |Help & Support
ALL SECTORS
  • ALL SECTORS
  • GB(National Standard)
  • CB(Shipping)
  • CECS(Engineering Construction)
  • CJ(Urban Construction)
  • CY(News and Publication)
  • DB(Provincial Standard)
  • DL(Electricity & Power)
  • DZ(Geology & Mineralogy)
  • FZ(Spinning & Textile)
  • GA(Public Security)
  • HB(Aviation)
  • HG(Chemical Industry)
  • HJ(Environmental Protection)
  • JB(Machinery)
  • JC(Building Materials)
  • JG(Building & Construction)
  • JJ(Metering)
  • JT(Highway & Transportation)
  • LY(Forestry)
  • MT(Coal)
  • NB(Energy)
  • NY(Agriculture)
  • QB(Light Industry)
  • QC(Automobile & Vehicle)
  • QJ(Aerospace)
  • SH(Petrochemical)
  • SJ(Electronics)
  • SL(Water Resources)
  • SN(Commodity Inspection)
  • SY(Oil & Gas)
  • TB(Railway & Train)
  • YB(Ferrous Metallurgy)
  • YC(Tobacco)
  • YD(Telecommunication)
  • YY(Medical Device)
Database: 365,228(8 Aug 2026)
fume extractors technical specification technical requirements smoke exhausters technical switch gears water loss test valve core rods
LD 51-1994 in English

LD 51-1994 in English

VALID

Technical specification for fume extractors for tubular electric welding

  • Issued on:1994-02-17
  • Implemented on:1995-01-01
  • File Format:PDF
  • Delivery:Via email within 1~3 business days
Price(USD): $220.00
$214.00
Standard No: LD 51-1994
Document status: VALID
Title in English: Technical specification for fume extractors for tubular electric welding
Title in Chinese: 管式电焊排烟机技术条件
Language: English
File Format: Electronic (PDF)
Delivery: Via email within 1~3 business days
Issued on: 1994-02-17
Implemented on: 1995-01-01
Chinese Classification: J72-Compressor and fan
Professional Classification: LD-Labor and Safety
Related Keywords: fume extractors
technical specification
technical requirements
smoke exhausters
technical
Related Topics: hood
electric welding
Tube
Specifications for electronic standard watt-hour meters
Conditions for rda rearrangement
Conditions for Maxwell rearrangement
Welding fume emission laws
Welding fume emission enforcement
Electrical fume welding emissions


Scope

This standard specifies the terminology, technical requirements, test methods, and inspection rules for tubular electric welding smoke exhausters (hereinafter referred to as smoke exhausters). Marking, packaging and transportation requirements. This standard applies to fume extractors used during welding operations in limited spaces.

Sample only — not a preview of LD 51-1994
Page: 1 / 0
100%

Loading PDF document...

Error loading PDF. Please make sure the file is valid and try again.