Ningbo Suntech Power Machinery Tools Co.,Ltd.
Ningbo Suntech Power Machinery Tools Co., Ltd. Professional Manufacturer and Exporter of Electric Power Field
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Four Sheaves Combined Block Heavy Duty Pulley System For Power Transmission Line Construction
Core Features
Performance Advantages
◆ 40% reduction in required manpower vs single-sheave blocks
◆ 30% faster cable pulling operation completion
◆ 4:1 mechanical advantage for heavy lifting
◆ Dynamic load tolerance up to 2.5x WLL
◆ Corrosion-resistant for outdoor use (IP54 rating)
Safety Compliance
✓ OSHA 29 CFR 1926.251 compliant
✓ ANSI/ASME B30.26 certified
✓ Magnetic particle inspected components
✓ Clearly stamped load rating plates
✓ Anti-swing weight distribution design
Maintenance & Service
• Self-lubricating bearing system
• Field-replaceable wear components
• Inspection ports for visual checks
• RFID tracking tag compatible
• 24-month warranty against defects
Typical Applications
► Transmission tower structural member lifting
► Conductor stringing operations
► Substation transformer positioning
► Underground cable pulling guidance
► Temporary guy wire tensioning
Optional Accessories
| Item number | Model | Qutline Size (MM) | Rated Load (KN) | Bend Radius | Weight(KG) |
| 20141 | SHZHD10 | 760X120X480 | 10 | R570 | 23.5 |
