B1 Single Sheaved Block

B1 series is a standard lift block where the block-house is cast.

SWL: 1 – 6 tons
Wire Diameter: 10 – 16 mm
Outer diameter wire-sheave: 4 “, 6”, 9 “, 12”, 14 “ and 16”

SWL refers to the tension in the wire rope. The blocks can be supplied with the following head-fitting: oval eye, round eye or fork.


Møllerodden performs our designs and production in accordance with:

  •  The machine directive 2006/42/EC
  • Bureau Veritas
  • Lloyd’s Register of Shipping
  • American Bureau of Shipping
  • Norsok Standard R-002, R-003N, R-005N
  • Norwegian Maritime Authority

100% material traceability on all parts. Lubrication fittings on all movable parts.

All our products are metalized with «Zinacor» zink wire if no other surface treatments are specified.


Typical options:

  • Design temperature -20°C.
  • Design temperature -40°C.
  • Sheaves with lifetime greased roller bearings or Bronze Bushings.
  • Nylatron/Composite sheaves.

Surface preparation and protective coating in accordance with Norsok Standard M-501.

All sheave sizes- and groove radii on sheaves can be adjusted to the current diameter of wire rope or Synthetic Rope.