CASE STUDY: PIPELINE REPLACEMENT- ATEX HOIST

CUSTOMER LOCATION: OFFSHORE

SCENARIO: CUSTOMER REQUIRED THE REMOVAL OF EXISTING PIPELINE VALVES AND THE INSTALLATION OF NEW REPLACEMENT UNITS. THE CUSTOMIZATION NEEDED TO INCLUDE:

1. Zone 1 ATEX specifications
2. Cross-hauling capability of 5 degrees or more
3. Proven track record of operating successfully in an offshore environment

SOLUTION: 50T TROLLEY MOUNTED, PNEUMATIC CHAIN HOISTS

• Ability to cross-haul up to 20 degrees
• Articulation of hoist body within trolley
• QZ offshore paint system
• Spark resistant package (T1 Zone 1 ATEX)
• Bronze coated bottom hook assembly
• Solid bronze trolley wheels
• Bottom clevis replaced standard hook
• Client witness test to prove capability
• Trolley flange adjustment for specific customer need

STANDARD FEATURES OF THE 50T PNEUMATIC CHAIN HOISTS INCLUDE:

• 15 meters heigh of lift
• Design factor 5:1 - FEM classification 1Bm
• Automatic fail safe disc brake - Hoist and trolley
• Gear type air motor on hoist and multi-vane air motor on trolley
• Integrated overload protection and main power emergency stop valve
• Fully enclosed gear box
• Top and bottom limit switches
• Corrosion resistant load chain
• 10 meter of control (progressive remote pendant control with e-stop)
• Articulated trolley allowing side pulling operations up to 20° (hoist only)
• Galvanized chain container (capacity 15m height of lift)
• CE marking
• Trolley flange adjustment for beam width of 250 mm before shipment