Explosion Proof Crane, Double Girder Bridge Crane 30 Ton, 50 Ton

Product Type:	QB explosion proof crane
Lifting Capacity:	5-50 ton
Span:	10.5-31.5m
Lifting Height:	6-30 m
Working Class:	A3,A4
Ambient Temperature:	-25~40℃
	Inquiry

Explosion proof crane for sale to ensure safety in combustible, flammable, explosive application. Explosion proof crane, double girder overhead crane design for sale.

lifting capacity: 5-50t
Span length: 10.5-31.5m
Lifting height:6-30
Working class:A3,A4
Ambient temperature:-25~40 ℃

This QB explosion proof double girder bridge crane is used in conjunction with a BCD explosion proof electric hoist. The structure is equipped with a sealed cover and has a high level of explosion resistance. The lift capacity ranges from 5 to 50 tons. 5-40m is the span length. Work duty A3-A4, working temperature is -25 - 40°C. Compared with single girder explosion proof crane, the double girder type is used for material handling for higher loads.

Drawing of double girder bridge cranes with explosion proof features

Modle:QB type of explosion proof bridge crane
Load capacity: 5- 50 /10 ton
Span Length: 7.5-31.5m
Lifting height: 12~18m;
Lifting speed: 2~5 m/min
Trolley Travelling Speed:10~12m/min
Crane Travelling speed: 12m/min
Work duty: A3, A4
Explosion proof mark : Exd II BT4 (Exd II CT4)
Working condition:Indoor & Outdoor
Working temperature: -25-50°C

Applications of explosion proof bridge crane

Explosion proof grade is : Exd II BT4, Exd II CT4. can work in combustible, flammable, explosive, heavy dust factory, warehouse, yard and other places corrosive environment. All machines and electric appliances of QB model Explosion-proof Double Beam Overhead Crane with hook conforms to the regulations of GB3836.2-2000 Explosion Proof Electrical Apparatus for Explosive Atmosphere Part two: Flameproof Type; The performance of crane satisfies demands in JB/T5897-1991 Explosion-proof crane.

Exd II BT4, Exd II CT4 are the explosion proof grades.The explosion proof bridge crane is suitable for use in combustible, flammable, explosive, heavy dust factories, warehouses, yards, and other corrosive environments. All the main parts and components and electric appliances of the QB model explosion-proof crane with Hook comply with GB3836.2-2000 regulations. The overhead crane's performance meets the requirements of JB/T5897-1991. Exproof Crane that is explosion-proof.

Features of explosion proof bridge crane

Steel Q235B and Q345B: high strength screws connect the girder; high strength screws test welding seams
X-ray and ultrasound are used to inspect the main girders to ensure bridge girder quality and safety.
The primer is an epoxy zinc-rich primer, and the oil film thickness is 140 m;
Forged wheels, toughened gears, and a dependable disc brake;
Stepless control of a compact reducer motor;
The trolley has a compact structure, a small volume, and is light in weight.
Good operation performance, stepless speed regulation, and smooth operation.

Technical Parameters of explosion proof overhead crane

Lifting capacity(t)				16/3.2	20/5	32/5	50/10
Span (m)				10.5-31.5
Lifting height (m)		Main		16	12	16	12
		Auxiliary		18	14	18	14
Speed (m/min)	Hoisting		Main lift	3.6	2.7	2.6	1.9
			Aux lift	3.8	3.7	3.7	3.37
	Trolley traveling			10.3	10.3	9.8	8.9
	Crane traveling			12.5/12.6	12.5/12.6	12.6/12.3	12.3
Explosion-proof mark				Exd II BT4, Exd II CT4
Working class				A3-A4
Power supply				380v,50hz,3phase or customized design

Protection devices of explosion proof crane

Overload limiter, limit switch (lifting and traveling), interlocking protection devices, buffer, track sweep plate shield, bus bar protection board, anti-collision device, main disconnect switch, emergency stop system, and motor load protection are all included.

Electric system of explosion proof bridge crane

Reasonable components installation ,convenient for check and maintenance.
Electric cable is suspended in cable saddle, stationary cable trolley which slides on a galvanized C-type steel;
power supply through stepless slide lines;
Lifting mechanisms and traveling mechanisms are mutually independent and can travel at the same time.
The control panel's protection level is IP54.

Explosion proof crane parts and components

Featured Project : 40 Ton & 85 ton double girder explosion proof overhead crane for sale Middle East

Brand ：Yuantai Crane
Types of Cranes:Explosion proof crane with double girder crane design for sale
Date of Placing Order： 2022-07-29
Date of delivery ： 2022.12.10
Transportation ：By sea, 40 GP , Containers*9
Payment: 50% TT Prepaid
Destination port：FOB Shanghai port
Destination country：Middle East

Main Specifications of 7.5 ton overhead crane & hoist for sale Iraq

Crane type	Model	Working class	Tonnage（T）	Span(m)	Lifting Height（M）	Crane control	Voltage	Color	Indoor / Outdoor use	Crane rail	Quality
Explosion proof overhead crane with hook	QB	A3	40 ton	22	18	Pendant control	3/400/50	Standard	/	QU80	1
Explosion proof overhead crane with hook	QB	A3	85 ton	20.7	19.7	Pendant control	3/400/50	Standard	/	QU80	1
QU80 crane track	The running length of the 40 ton double-girder explosion-proof bridge crane is 21M, the QU80 track is equipped with 42M, 140 bolt pressure plates, and 7 pairs of clamping plates; The running length of the 85 ton double-girder explosion-proof bridge crane is 28M, the QU80 track is equipped with 56M, 187 bolt pressure plates, and 9 pairs of clamping plates; The total length of the track is 98M, the total number of bolts is 327, and 16 pairs of clamps ;
Overhead travelling travelling power supply C-shaped steel + flat cable	The 40 ton double-girder explosion-proof overhead crane has a running length of 21M, and the cable is 16 mm2 cables + C-shaped steel; The 85 ton double-girder explosion-proof overhead crane has a running length of 28M, and the cable is 35 mm2 flat cable + C-shaped steel;

Double Girder Overhead Crane