Doughty Quad Sheave Pulley The Doughty Pulley system is of modular construction, allowing easy assembly of single or multiple sheave units from a limited range of standard components. With the addition of various brackets and fixings, the basic pulleys will fulfil a variety of specialist needs. This Quad Sheave Pulley is available in 100mm, 150mm, and 180mm diameter sheaves and available for fiber or wire ropes. All Standard Doughty Pulleys have a safe working load of 150 kg. A basic quad sheave pulley ready to accept any of the range of fixings. To order pulleys please state part numbers of: 1. Basic Pulley required 2. Fixing System required ie. T42800 + T42865 = 100mm Single Pulley (for wire) fitted with Awning Block. User Manual Specifications: The recommended sizes for Hand Ropes & Wires are: 100mm Diameter Sheave - 12mm Rope – 4mm Wire 150mm Diameter Sheave - 18mm Rope – 6mm Wire 180mm Diameter Sheave - 18mm Rope – 6mm Wire SWL: 150 kg Width: 116mm Brackets for Doughty Standard Pulleys: Multibeam Girder Brackets: For wall or ceiling applications Pulley Awnings: To be used with a shackle Girder Brackets: To be used with girders Wall Side Plates: To mount any size pulley to wall Multifix Brackets: To make wall mounted, ceiling mounted and upright guide pulleys, as well as cross tube assemblies.