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Petzl P21 Tandem Pulley Aluminium Red

SKU: TW-P21
Sale price £30.00 Regular price £41.00
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Petzl P21 Tandem Pulley Aluminium Red

The Petzl P21 Tandem Pulley Aluminium Red is designed for smooth and efficient movement along ropes, making it suitable for zip lines, rope traverses, and transport systems. Its double sheave design supports stable travel and reduced friction, allowing controlled and consistent movement without jerking.

Constructed with aluminium side plates and sheaves, along with stainless steel axles, the pulley delivers durability and reliable performance. The sheaves are mounted on self-lubricating bushings, providing smooth rotation and an efficiency rating of 71 percent. Its compact and robust design ensures dependable use in demanding environments.

The attachment point can accommodate up to three carabiners, allowing flexible setup for various systems. Compatible with ropes up to 13 mm in diameter, the pulley is designed for use at speeds of up to 10 m/s. With a working load of 10 kN and a breaking strength of 24 kN, it is suitable for professional applications requiring efficient rope travel.

Key Features

  • Double pulley design for smooth rope travel
  • Aluminium sheaves with self-lubricating bushings
  • Suitable for zip lines and rope transport systems
  • Attachment point accepts up to three carabiners
  • Compact and durable construction for demanding use
  • Compatible with ropes up to 13 mm diameter

Technical Specifications

Specification Detail
Weight 195 g
Rope compatibility Up to 13 mm
Sheave diameter 21 mm
Efficiency 71 percent
Working load 10 kN
Breaking strength 24 kN
Maximum speed 10 m/s
Material Aluminium plates and sheaves, stainless steel shafts
Certification CE EN 12278, UIAA


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