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QB Series Explosion-Proof Overhead Crane

The QB series explosion-proof overhead crane is designed for material handling in hazardous areas containing flammable gases, vapours, or dusts. It is widely deployed in chemical plants, petrochemical facilities, coal mines, and pharmaceutical production sites. Rated capacity 5t. Span range 10.5~13.5m. All electrical components are explosion-proof rated to comply with national explosion-protection standards.

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QB Series Explosion-Proof Overhead Crane
QB Series Explosion-Proof Overhead Crane
QB Series Explosion-Proof Overhead Crane
QB Series Explosion-Proof Overhead Crane
QB Series Explosion-Proof Overhead Crane

01 Product Description

Built on the foundation of a standard overhead crane, the QB series features explosion-proof treatment of the entire electrical system and all friction-generating parts. The hoisting motor, cross-travel motor, electrical control panel, and travel limit switches are all explosion-proof certified. The crane offers reliable explosion-proof performance, rational structural layout, and convenient operation. Explosion-proof ratings meet ExdIIBT4, ExdIICT4, and related classifications.

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  • QB-Series-Explosion-Proof-Overhead-Crane09
  • QB-Series-Explosion-Proof-Overhead-Crane07

02 Product Advantage

  • Fully explosion-proof electrical system suitable for hazardous locations.

  • Explosion-proof motors and enclosures eliminate all ignition sources.

  • Rational structural design with smooth, reliable operation.

  • Easy maintenance with widely available spare parts.

  • Compliant with GB explosion-proof standards and international codes.

  • Explosion-protection scheme can be tailored to the specific zone classification.

03 Product Parameter

Lifting capacity t 5 10
Span m 10.5 13.5 16.5 19.5 22.5 25.5 28.5 31.5 10.5 13.5 16.5 19.5 22.5 25.5 28.5 31.5
Lifting Height 16 16
Duty A4 A4
Explosion-proof grade ExdⅡBT4 (ExdⅡCT4) ExdⅡBT4 (ExdⅡCT4)
Speed Hoisting m/min 5 5
Crab travelling 19.6(14.6) 20.5(14.6)
Crane travelling 22.3(12) 22.3(12)
limit
dimension
S1 mm 800 1050
S2 1250 1300
main
dimension
H mm 1763 1800
H1 765 765
H2 -24 126 226 376 526 676 826 976 -24 126 226 376 526 678 828 978
H3 2396 2546 2646 2796 2946 3096 3246 3386 2396 2546 2646 2796 2946 3096 3248 3398
H4 71 602 552
K 1400 2000
W 3400 3550 5000 4050 5000
B 5054 5204 5048 5704 5882 5948
b 230
Max.Wheel Loading kN 72 78 84 92 97 109 117 124 101 108 117 122 126 135 144 152
Total Power kw 10 15.5
Crane Rail Recommended 43kg/m
Power Supply   3-Phase A.C.50Hz  380V

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