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1.QB model Explosion-proof function double beam overhead crane is used in environment that is mixed with inflammable gas.
2.The all motors and electrical control boxes of this overhead crane have Explosion-proof function, when you start and using this overhead crane, it does not produce electric spark in working environment.
3.This overhead crane is applicable to workshop where the Explosion conduction is lower than IIB or IIC, the burning point of inflammable gas is higher than T4.
4.The capacity of this overhead crane from 5t to 50t.
5.The span of overhead crane from 10.5m to 31.5m, and the duty class is A3 or A4.
The blast-proof performance of all electrical machines and electric appliances of QB model blast-proof overhead crane with hook conforms to the prescriptions of GB3836.2～2000 Blast-proof Electrical Apparatus for Explosive Atmosphere Part two: Flameproof Type; the performance of complete machine conforms to the prescriptions of JB/T5897--2006 Blast-proof Bridge Crane. The crane is qualified inspected by inspection unit of blast-proof product which is appointed by the state. The crane has got Certification of Conformity of An Instrument for Explosive Atmosphere. The signs of blast-proof are Exd II BT4 and Exd II CT4 respectively
The product shall be operated on ground; it also can be cab-operated as the user needs. The working class is middle.
The product is applicable to the place in the factory where the capability of transmitting-explosive is no higher than grade II B or II C, and where has mixture of detonating gas which is composed of flammable gas or steam, whose ignition temperature team belongs to T1～T4 team, and air. The applicable danger area is Area 1 or Area 2 (see GB3836.1～2000 for detail) .
●Operation model: Pendent line control; remote control; cabin (open and closed)
1. Weight overhead protection device,
2. Current overload protection system
3. Voltage lower protection function,
4. Main lifting motor with thermal protection
5. Top quality load long time bearing polyurethane material buffer
6. Emergency stop system,
7. Crane travelling limited switch
8. Hooks with latch
9. Protective earth
10. Explosion proof
5~50/10t Capacity Explosion proof Bridge Crane with hook
Exd Ⅱ BT4 & Exd Ⅱ CT4
YBZE special Ex-proof motor
Max. wheel pressure
43kg/m, QU70,QU80, square bar90-100
380V/50Hz/3Phase A.C or customer’s demands
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