Dongqi Double Girder Explosion-proof Hook Bridge Crane,5T,10T,20T,with Explosion-proof,Grade dIIBT4/dIICT4
Explosion Proof Overhead Crane
Key Specifications/Special Features
QB model
Lifting weight: 5 to 50T
Span: 10.5 to 31.5m
Lifting height: according to your requirements
Working duty: A3 to A5
Working temperature: -25 to 40°C
Power source: 3ph, 380V, 50Hz or other under customer’s requirement
Explosion-proof performances of all motor, and electric components of QB explosion-proof crane satisfy standards stipulated by GH 3836.2-2000
Working in explosive gas environment
Flame-proof type “D”, and the performance of the crane satisfies demands in used in JB/T5897-1991
The crane has obtained explosion-proof certificate after passing examinations by units designated by the government to test explosion-proof products
The explosion-proof marks are Ex d II, BT4, Ex d II CT4 respectively This product is suitable for areas where the explosion-transmission is not higher than IIB or IIC and the 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 GB 3836.1-2000 for details)
This product is generally controlled on the ground, but control from the driver’s cabin is also allowable
The working grade is intermediate
Note: 5 to 10T crane does not have an auxiliary hook
