CMI Prussik Minding Pulleys

$86.06
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SKU
CMI-PL-PMP-RP
CMI Prussik Minding Pulleys
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CMI Prussik Minding Pulleys

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CMI began making pulleys quite simply, with the introduction of just four 2 3/8" rescue pulleys to the market in 1982. They quickly became known the world over for their strength, durability and flexibility.

Whether you need a pulley for casual top-roping or long hauls, everyday confined space entry or "film at 11" rescues, or any of the variety of applications created by the blossoming ropes course industry, CMI has a pulley designed with your exact need and requirements in mind.

Prussik minding pulleys and a highline pulley designed with the hard-core rescuer in mind.

With the movement back to prussik-based safeties gaining momentum, the need for prussik minding pulleys that integrate directly into mechanical advantage systems is growing. To answer that need, CMI has developed eight prussik minding pulleys.

A larger 4" sheave with 5/8" rope capacity makes the RP138 the largest pulley of its kind; smaller compact packages make the RP137 and RP137D ideal for use in confined spaces or caves.

    RP121 Prussik Minding Pulley
  • Sideplates: Red Anodized Aluminum
  • Sheave: 2" Aluminum
  • Mechanism: Bushing
  • Axle: Steel
  • MBS: 6800 lbs
  • Rope Capacity: 1/2" (12.7 mm)
  • Size: 5.5" x 4.25" (13.97 cm x 10.8 cm)
  • Weight: .6 lbs (9.6 oz)
  • Efficiency: 89.2%


    RP121A Prussik Minding Pulley
  • Sideplates: Red Anodized Aluminum
  • Sheave: 2" Aluminum
  • Mechanism: Bearing
  • Axle: Steel
  • MBS: 6800 lbs
  • Rope Capacity: 1/2" (12.7 mm)
  • Size: 5.5" x 4.25" (13.97 cm x 10.8 cm)
  • Weight: .6 lbs (9.6 oz)
  • Efficiency: 90.6%


    RP129NFPA Pulley
  • Sideplates: Stainless Steel
  • Sheave: 3" Aluminum
  • Mechanism: Bushing
  • Axle: Stainless Steel
  • MBS: 16000 lbs
  • Rope Capacity: 1/2" (12.7 mm)
  • Size: 6.75" x 5.25" (17.15 cm x 13.34 cm)
  • Weight: 1.65 lbs (26.4 oz)
  • Efficiency: 91.7%


    RP132NFPA Pulley
  • Sideplates: Stainless Steel
  • Sheave: 2" Aluminum
  • Mechanism: Bushing
  • Axle: Stainless Steel
  • MBS: 8000 lbs
  • Rope Capacity: 1/2" (12.7 mm)
  • Size: 5" x 4" (12.7 cm x 10.16 cm)
  • Weight: .9 lbs (14.4 oz)
  • Efficiency: 90.7%


    RP133NFPA Pulley -- Same as the RP132, in a double configuration
  • Sideplates: Stainless Steel
  • Sheave: Two 2" Aluminum
  • Mechanism: Bushing
  • Axle: Stainless Steel
  • MBS: 13000 lbs
  • Rope Capacity: 1/2" (12.7 mm)
  • Size: 6.5" x 4.25" (16.51 cm x 10.8 cm)
  • Weight: 1.55 lbs (24.8 oz)
  • Efficiency: 185.7%


    RP138 Pulley
  • Sideplates: Stainless Steel
  • Sheave: 4" Aluminum
  • Mechanism: Bushing
  • Axle: Stainless Steel
  • MBS: 15000 lbs
  • Rope Capacity: 5/8" (15.875 mm)
  • Size: 8.75" x 7" (22.23 cm x 17.7 cm)
  • Weight: 2.8 lbs (60.8 oz)
  • Efficiency: not rated


CMI Pulley Comparison Specs
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