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Spark Resistant Manual Cranes

J.Barnsley spark resistant manual cranes are suitable for use in Zones 1 or Zone 2 hazardous areas worldwide.

SAFETY FEATURES

Spark resistant manual crane safety features at a glance

  • Protection against overloading
  • 5:1 Hoist Chain Safety Factor
  • Load Chain | Material-Grade ‘T’ High Tensile Steel
    • According to DIN EN 818-7. (ASTM A391/A391M-07)
  • Brass Hand Chains
  • Asbestos-Free Brake Linnings
  • Buffers Fitted to Trolley
  • Hook in Bronze Anti-Sparking Material
  • Stainless Steel Slack Chain Collector
 

RANGE

Standard Types
Under Slung
Top Running
Capacity (Te)
Spans to (m)

Single Girder

No

Yes

0.5 < 10

15

Double Girder

No

Yes

0.5 < 20t

15

Single Girder

Yes

No

0.5 < 10t

15

SPECIFICATION

The proprietary series built, manually operated chain hoist unit would be selected from our extensive range of hoist units which have a world wide reputation for reliability, modern design, safety and the very latest manufacturing techniques.
The modular hoist design forms a very efficient, compact & visually aesthetic hoist unit.

  • Spark Resistant Materials
    • Brass Hand Chains
    • Bronze Trolley Wheels
    • Bronze load chain sprocket
    • Bronze Idler chain Rollers
    • Bronze Brake Ratchet Wheel
    • Bronze Brake Hub.(8 Start Threaded Nut)
    • Bronze Coated Hook and Safety Catch
  • Anti-Corrosion Protection
    • Brass Hand Chains
    • Load Chain Galvanised
    • Galvanised Block Side Plates and Stay Bars
    • Galvanised Block Hand Chain wheels
    • Galvanised Hand Chain Guide
    • Galvanised Trolley Side Plates,Stay Bars. Washers & Nuts
    • Zinc Plated Fasteners

The bottom hook block is of the safety type, having fully guarded deep grooved sheaves, running in sealed ball bearings. The hook is a forged steel single point “C” Type, mounted on a ball thrust race and fitted with a spring return safety catch.
Prior to packing & protected for transportation, the crane would be assembled in our workshops & fully inspected & tested, according to our standard testing procedure, which would include full dimensional and functional tests of all hoist operations.