Xinda Owl Double Pulley


A professional double pulley that makes rope movement as smooth as silk.

I. Product Overview

The Owl Double Pulley is a high-performance double pulley from Xinda‘s 3rd Generation H-Series (Item No.: HH-9796). It features a dual-sheave, dual-axle design with built-in ball bearings and precision-polished grooved sheaves for exceptionally smooth rope travel. With a 20kN breaking strength and XF 494-2023 certification, it is a reliable choice for mountaineering, caving, rescue, high-altitude work, and more.


II. Technical Specifications

ParameterValue
Product NameOwl Double Pulley
BrandXinda
Item No.HH-9796
MaterialAluminum alloy, steel, etc.
ColorGreen/Gray
Dimensions145 × 80 × 96 mm
Gate Opening26 mm
Weight432 g
Applicable Rope Diameter9–13 mm
Breaking Strength20 kN
StandardXF 494-2023
PackagingCardboard box
Application ScopeMountaineering / Caving / Rock Climbing / Expansion Activities / Rescue / High-altitude Work / Outdoor Amusement Park Equipment, etc.

III. Key Design Features

3.1 Dual-Sheave, Dual-Axle Design – Extra Stability

The Owl Double Pulley uses a dual-sheave, dual-axle configuration with two sheaves arranged side by side:

  • Enhanced balance – Both sheaves share the load, providing smoother rope travel
  • Reduced rope twisting – Compared to single pulleys, the double design minimizes rope spin and tangling
  • More even load distribution – Forces are spread across two sheaves, extending service life

Whether you‘re hauling heavy loads or setting up a traverse system, the added stability of a double pulley is immediately noticeable.

3.2 Sealed Ball Bearings – Smooth and Efficient

The pulley is equipped with sealed ball bearings:

  • Lower friction – The bearing design allows the sheave to spin more freely
  • Higher mechanical efficiency – Better mechanical advantage, easier hauling
  • Longer service life – Bearings are wear-resistant and durable, staying smooth over time

Combined with precision-polished grooved sheaves, the rope glides through the pulley with exceptional smoothness.

3.3 Large Gate Opening – Fast Rope Installation

The Owl Double Pulley features an asymmetric auto-locking gate:

FeatureDescription
26mm gate openingAccommodates a wide range of carabiners and connectors
Auto-lockingGate locks automatically when closed – reduces accidental opening
Smooth and convenientOne-handed operation, fast rope installation

The auto-locking gate is especially useful in challenging environments — no need to worry about forgetting to lock the gate manually.

3.4 Integrated Carabiner + Dust Covers

The Owl Double Pulley comes with thoughtful design details:

  • Carabiner pre-installed – No need to buy and attach a separate carabiner; ready to use out of the box
  • Front and rear dust covers – Secure the carabiner to prevent rattling and keep dust out of the bearings
  • Covers also stabilize the carabiner – Prevents side-to-side movement during use

These small details are very practical in dusty environments like caves or construction sites, helping extend the life of the equipment.

3.5 Compatible with Multiple Rope Types

Rope TypeCompatibility
Steel cable✅ Compatible
Synthetic fiber rope✅ Compatible
Nylon rope✅ Compatible (9–13mm)

The Owl Double Pulley is specially designed to work with both steel cables and fiber ropes — a feature not commonly found in double pulleys. Whether you’re using dynamic climbing ropes or steel cables for industrial applications, it‘s ready to go.


IV. Product Advantages Summary

AdvantageDescription
Dual-sheave, dual-axleEnhanced balance, smoother rope travel
Ball bearingsLow friction, high efficiency, long life
20kN breaking strengthHigh strength, safe and reliable
26mm large gate openingFast rope installation, broad compatibility
Auto-locking gateCloses and locks automatically – prevents accidental opening
Integrated carabiner + dust coversNo rattling, keeps dust out
Steel cable / fiber rope compatibleOne pulley, multiple applications

V. Application Scenarios

ScenarioSpecific Use
Mountaineering / Rock ClimbingRope redirection, mechanical advantage systems
CavingTraverse systems, rope protection
RescueHaul systems, deviation anchors
High-altitude workTool hauling, rope management
Outdoor amusement parksZiplines, via ferrata — pulley components
Industrial rope accessGuide pulleys for steel cable systems

VI. Usage Guidelines

  1. Check rope diameter — Ensure rope diameter is within 9–13mm before use
  2. Confirm gate is locked — After installing the rope, make sure the auto-lock gate is fully closed
  3. Do not overload — Do not exceed the 20kN breaking strength
  4. Regular inspection — Check sheave rotation, bearing noise, and gate function periodically
  5. Cleaning and care — Remove dust after use; keep dust covers closed when not in use
  6. Steel cable use — After using steel cable, inspect sheave grooves for unusual wear

VII. Who Is It For?

  • Rope access enthusiasts — Redirection and haul components in SRT/DRT systems
  • Rescue professionals — Pulley systems in rope rescue
  • Cavers — Traverse systems and rope protection
  • Climbers / mountaineers — Rope management in traditional climbing
  • High-altitude workers — Tool hauling and rope redirection
  • Amusement park maintenance — Inspection and replacement of zipline / via ferrata pulleys

VIII. Conclusion

The Xinda Owl Double Pulley is a professional double pulley that takes “smooth and stable” to the next level.

  • Dual-sheave, dual-axle design → Balanced and stable
  • Sealed ball bearings → Smooth and efficient
  • Large auto-locking gate → Fast and safe
  • Steel cable & fiber rope compatible → Versatile
  • 20kN breaking strength → Strong and reliable

Whether you‘re rigging a rope traverse or need a mechanical advantage system for heavy hauling, the Owl Double Pulley is a trustworthy addition to your gear kit.