Stringing Blocks & Conductor Guidance

Pulley Blocks

Pulley Blocks for Helicopter Stringing – Nylatron or Aluminium Sheaves

  • Sheaves casted of very strong and durable solid Nylatron

OR

  • Aluminum sheave molded in one piece for increased stability
  • For single conductor, 2-, 3-, or 4-bundle
  • Hinge mechanism, ball bearing mounted, for automatic insertion of the rope
  • Galvanized steel frame with clevis attachment rotatable by 90°
  • Maintenance-free ball bearings with high safe working load
  • Bolted groove liners for easy exchange (Aluminium Sheaves)

Optional

  • Alternative distance between sheaves Fixed clevis
  • Grounding device with conductor rollers

OR

  • laterally mounted disk with carbon brush (aluminum groove liners)
  • Special designs and breaking load on request

For more details about accessories and optional equipment please see our catalog.

Nylatron Sheaves
Article no. (Polyamide) Number of wheels A (mm) B (mm) C (mm) D (mm) E (mm) F (mm) H (mm) I (mm) Breaking Load (kN) Working Load (kN) Weight (kg)
HPB-01-0650-NY 1 750 650 95 17 20.5 1258 - - 141 47 69
HPB-01-0850-NY 1 1000 850 95 17 20.5 1458 - - 141 47 78
HPB-03-0650-NY 3 750 650 95 22 30.5 1713 115.3 - 201 67 173
HPB-03-0850-NY 3 970 850 95 22 30.5 1913 115.3 - 201 67 196
HPB-05-0650-NY 5 750 650 95 22 30.5 1713 115.3 115.3 201 67 223
HPB-05-0850-NY 5 970 850 95 22 30.5 1913 115.3 115.3 201 67 252

Aluminium Sheaves
Article no. (Aluminum) Number of wheels A (mm) B (mm) C (mm) D (mm) E (mm) F (mm) H (mm) I (mm) Breaking Load (kN) Working Load (kN) Weight (kg)
HPB-01-0650-AL 1 750 650 95 17 20.5 1258 - - 141 47 77
HPB-01-0800-AL 1 1000 800 95 17 20.5 1458 - - 141 47 87
HPB-03-0650-AL 3 750 650 95 22 30.5 1713 115.3 - 201 67 197
HPB-03-0800-AL 3 970 800 95 22 30.5 1713 115.3 - 201 67 224
HPB-05-0650-AL 5 750 650 95 22 30.5 1713 115.3 115.3 201 67 263
HPB-05-0800-AL 5 970 800 95 22 30.5 1913 115.3 115.3 201 67 297

TANDEM Pulley Blocks for Helicopter Stringing (Nylatron & Alu)

Two sets of pulley blocks mounted in tandem arrangement by galvanized steel frame (used for stringing around sharp angles)