Low-friction block | Block-Nub®

20358

The Blok-Nub® friction sheave is a low-friction, sheave-less sheave with cover that withstands very high loads.

Intrinsically lubricated, it can be used in a wide range of applications and on all types of non-aggressive ropes.

Block-Nub offers a unique combination of advantages in terms of performance, durability and ease of use. It's an excellent choice for applications where friction must be minimized and strength maximized.

See features below
BLOCK-NUB 15 C
€15.65
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Description

Extremely light and strong friction pulley, halfway between a low-friction ring and a sheave-less pulley with heavy-duty cover.

Friction resistance with good glide ratio under high load.

  • High load in dynamic use
  • GV drop adjustment
  • Tackle block
  • 3D headsail adjustment
  • Bottom boom halyard
  • Deck flats & Hoist

... just about everything!

Versatility and adaptability :

  • Works with all types of rope: The Block-Nub block is compatible with textile, Dyneema® and polyester ropes.
  • Multiple uses: The Block-Nub pulley can be used for a wide range of applications, including reeving, tackle, vang, runners and sheets.
  • Easy installation: The Block-Nub block is easy to install and dismantle, requiring no special tools.

Data sheet

Block-Nub® low-friction, sheave-less, overcap pulley

Material: 30% carbon-filled PA11 (Recycled)

  • Coefficient of friction: 0.15
  • Tensile strength: 170 MPa
  • Modulus of elasticity: 8 GPa
  • Service temperature: -40°C to +180°C
  • Chemical resistance: Excellent
  • Excellent UV resistance
  • Origin: Castor oil (renewable)

Product Details

Poulie à faible friction | Block-Nub®

Poulie sans réa Block-Nub

Benefits

  • Rope retaining clevis
  • High mechanical strength
  • Low coefficient of friction
  • Less wear on ropes, extending their service life.
  • Versatility and adaptability
  • Lightweight and compact:

Corrosion- and UV-resistant materials: the Block-Nub pulley is designed to last and withstand harsh weather conditions.

High workload: The Block-Nub pulley can withstand heavy loads.

Ease of use and safety:

- Intuitive, easy-to-use friction system.

- Reduced risk of rope jamming.

- Reliable and safe.