HW-250/NH

Novawinch HW-250/NH features:

  • Integrated hydraulic motor and automatic brake assembly partly located inside winch drum – provides compact size to make mounting easier.
  • Wire rope capacity of over 60m to meet various demands.
  • Drum diameter to rope diameter ratio is 12:1 to ensure rope breakages are avoided.
  • High torque hydraulic motor, 3 stage planetary gearbox and self-adjusting gear design provides strong pulling capacity and efficiency.
  • Oil bath gearbox for added efficiency
  • Water tight and internal anti-heat rubber seals.
  • Overflow valve can be added as optional extra.
  • Meets EN 14492-1:2006 requirements:
    (1)The first layer of wire rope safety factor (breaking strength/rated pulling) must at least 2 times of winch rated line pull.
    (2)Space between drum and tie bar should be 1.5 times of the wire rope diameter.
    (3)(Drum diameter + rope diameter)/ rope diameter ≥ 10;
    (4)Two wire rope mounting holes on the drum for safety operation;
    (5)Winch mechanical structure reach 1.25 times of winch rated line pull.

First layer line pull: 55000lbs/24944kgs

First layer line speed: 13.1 – 57.4fpm/4 – 17.5mpm

Working pressure diff: 2610psi/18MPa

Oil flow supply: 90L/min

Gear Ratio: 255:1

Wire rope diameter: 20/21inch/26mm

Layer: 4

Wire rope capacity: 180ft/55m

Valve model: NF-120 P1 S1-006

Net weight (without rope): 1279lbs/580kgs

 Note:

  • Recommended oil flow supply range is 50-90L/min
  • Dual balance valves as standard, winch must be used in independent oil supply system with relief valve.
  • Relief valve can be added as optional extra.

Warning:

  • The winch should never be used for hoisting people or hoisting objects above people.
  • Do not use clutch under load.
  • Do not equip winch into oil supply system without relief valve.

Performance

Layer of cable Rated line pull per layer Line speed Wire rope capacity per layer
lbs kg fpm mpm ft m
1 55000 24948 8.2 2.5 39’ 9
2 47353 21479 8.8 2.7 85’ 23
3 41573 18857 10.1 3.1 137’ 41
4 37050 16806 11.4 3.5 196’ 60

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