hydraulic bolt tensioner / for wind turbines / automatic / multi-stage
WDD series
Vnation JSC

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Technology:
hydraulic
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Applications:
for wind turbines
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Other characteristics:
automatic, multi-stage
WIND TENSIONERS
Our tensioners have quality designed in with standard features that enhance durability and efficiency to get the job done faster and safer:
Quality Means Lower Life-Cycle Costs:
Achieves 90% proof load requirement for ISO 898 Grade 10.9 bolts
Fully enclosed load cell eliminates debris in piston retraction mechanism
Auto-Engaging Geared Nut Rotator
Self-energizing, long life seals
Enhanced Usability:
Piston stroke limit indication
High pressure swivel coupling (swivel is optional on WSS & WSL)
19,580 psi (1,350 bar maximum operating pressure)
Automatic piston retraction mechanism
Designed with Safety in Mind:
Overstroke prevention for safe operation
Anti-slip grip surface
Tool lifting-strap as standard
WDD UP TOWER WIND TENSIONERS
Robust Gearbox Drive
Auto-Engaging Geared Nut Rotator
Small diameter, high load 2-Stage hydraulic load cell
Fast application using 1/2" drive
Cycle counter optional (Add ?A? to end of part number)
Max Pressure: 19,580 psi (1,350 bar)
Twin coupling optional (Add ?TC? to end of part number)