Stage Pulleys

Doughty Engineering stage pulleys are the load-bearing sheaves used to redirect wire rope and operating lines through fly systems, curtain tracks and counterweight rigging in professional theatres, TV studios and live event venues. MTN Shop stocks the complete Doughty pulley range including single, double, triple, quad and quin sheave pulleys in standard and heavy duty versions, alongside mounting plates, girder brackets and Six Track pulleys for curtain track systems.

Browse the full range below or visit our entertainment and stage rigging guide for more information. For a complete rigging system browse our full rigging hardware range.

Doughty Triple Sheave Pulley
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Stage Pulleys – Product list

Doughty Stage Pulleys for Theatre and Entertainment Rigging

Stage pulleys — also known as blocks in theatrical rigging — are used to redirect wire rope and operating lines through fly systems, curtain tracks and counterweight rigging. A fly system uses ropes, pulleys and counterweights to enable a stage crew to quickly, quietly and safely hoist curtains, lighting bars and scenery. All Doughty stage pulleys feature nylon sheaves with ball-raced bearings for smooth, quiet, friction-free operation and are available in 100mm, 150mm, 180mm and 200mm sheave diameters depending on the model.

Doughty Pulley Types

  • Single Sheave Pulleys: standard and heavy duty versions available in 100mm, 150mm and 200mm sheave diameter. For simple line deflection in curtain tracks and flying systems.
  • Double Sheave Pulleys: standard and heavy duty versions for two-line systems such as loft blocks and head blocks in counterweight fly systems.
  • Triple, Quad and Quin Sheave Pulleys: multi-groove pulleys for gathering multiple lift lines. Available in standard and heavy duty versions up to 200mm sheave diameter. Used as head blocks in large counterweight systems and multi-line flying rigs.
  • Awning Block and Awning Profiles: Doughty Awning Block and Heavy Duty Awning Profiles for awning and overhead suspension systems. Available in single, double and triple sheave configurations.
  • Six Track Pulleys: return pulleys, guide pulleys, twin head pulleys and handline pulleys for the Doughty Six Track curtain track system.

Mounting Plates and Brackets

Safety Note

All stage pulley systems should be designed, installed and regularly inspected by a qualified rigger. In the UK, LOLER regulations apply to all lifting equipment used in entertainment venues. Always verify the SWL of each pulley against the total load in the line before use, and inspect all pulleys and mounting hardware before every rigging session.

Part of our entertainment and stage rigging range. Browse all rigging accessories or our full rigging hardware range for a complete solution.

Frequently Asked Questions

Doughty stage pulleys are used to redirect wire rope and operating lines through fly systems, curtain tracks and counterweight rigging in professional theatres, TV studios and live event venues. Single sheave pulleys redirect single lines, while multi-sheave versions gather multiple lift lines in head block and loft block configurations.
Standard Doughty pulleys are suitable for general fly systems, curtain tracks and lighter rigging applications. Heavy duty versions have higher load ratings and larger sheave diameters up to 200mm, designed for demanding counterweight fly systems and multi-line rigging configurations in larger theatres and permanent installations. Both ranges feature nylon sheaves with ball-raced bearings.
Doughty stage pulleys are available in 100mm, 150mm, 180mm and 200mm sheave diameters depending on the model. The sheave diameter affects the wire rope capacity and the load rating. Always match the sheave groove size to your wire rope diameter and verify the SWL against the total load in the line before installation.

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