Dongqi Explosion Proof Overhead Crane, for Flammable, Explosive Media Working Conditions

Explosion Proof Overhead Crane

Key Specifications/Special Features

• Technological parameters:

  5 to 50/10T capacity
  QB type explosion-proof bridge crane with hook
  Capacity: 5 to 50/10T
  Span: 10.5 to 31.5m
  Maximum lifting height:

  Main hook: 12 to 16m
  Aux hook: 14 to 18m

  Working duty: A3 to A4
  Ex-proof grades: Exd II BT4 and Exd II CT4
  Speed:

  Main lift: 1.9 to 3.7m/minute
  Aux lift: 3.37 to 3.8m/minute
  Trolley travel: 8.9 to 10.3m/minute
  Crane travel: 12 to 12.6m/minute

  Motor: YBZE special Ex-proof motor
  Total weight: 11.3 to 64.9T
  Maximum wheel pressure: 74 to 450KN
  Steel track: 43kg/m, QU70, QU80, square bar 90 to 100
  Power supply: 380V/50Hz/3 phase AC or customized

• Introduction:
  • This type of crane is specially designed and manufactured to meet special working environment
  • Explosion-proof performance of all motors and electric components of QB explosion-proof crane satisfy standards stipulated by GB3836.2-2000 explosion proof electric equipment working in explosive gas environment part 2: flame-proof type D and the performance of the crane meet demands in JB/T5879-1991 explosion-proof crane
  • With obtained explosion-proof certificate after passing examinations by units designated by the government to test explosion-proof products
  • Explosion-proof marks are Exd II BT4 and Exd II CT4 respectively
  • Suitable for areas where the explosion transmission is not higher than II B or II C and ignition temperature group of inflammable gas or explosive mixture of steam and gas is not lower than T4
  • Applicable dangerous zones are zone 1 and zone 2 (please refer to GB3836.1-2000 for details)
  • This product is generally controlled on the ground, but control from driver’s cabin is also available
  • Working duty is intermediate
  • Note: 5 to 10T crane does not have an auxiliary hook