The UIAA equipment standard provides a baseline for equipment performance in a test lab under controlled conditions on new equipment. Although these test conditions are relevant to the conditions encountered climbing, conditions encountered at the crags and the condition of the equipment are equally important. This recommendation from the UIAA member federation The British Mountaineering Council (BMC) provides vital equipment information that is NOT explicitly addressed in the standard, particularly failure modes of the equipment and recommendations for the use, inspection, maintenance, and retirement of equipment.
Ultra D Quicklock
Description
The Ultra D has a long top bar, wide gate opening and large internal volume that allows easy use with gloves and when working with thick rope and slings. The Ultra D can accommodate attachments at either end for versatility in rigging systems. High strength design and a Taperlock nose give work together for high levels of security. These features make the Ultra D an ideal heavy duty workhorse carabiner.
The nose design on these carabiners helps them resist shearing forces and achieve high side loading strength ratings. Taperlock is an evolution of our Keylock design, which gives a clean internal profile that prevents snagging on gear, bolts and slings.
I-Beam construction techniques allow carabiners to be lighter without compromising strength. This is achieved through hot forging, a process which allows metal to be made into complex shapes that improve functionality.
The gate opening is the distance between the nose of a carabiner and the gate when it is fully opened. Larger gate openings make a carabiner easier to use while wearing gloves, and with thick ropes and slings. Internal volume refers to the area inside a carabiner, and large internal volumes mean easier attachment and removal of multiple devices, knots and slings.
The Ultra D has a long top bar, wide gate opening and large internal volume that allows easy use with gloves and when working with thick rope and slings. The Ultra D can accommodate attachments at either end for versatility in rigging systems. High strength design and a Taperlock nose give work together for high levels of security. These features make the Ultra D an ideal heavy duty workhorse carabiner.
The nose design on these carabiners helps them resist shearing forces and achieve...
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Weight (g) | 84 g |
Shape | D / Offset D |
Locking | Auto - 2 action |
Straight or Bent | Straight |
Full Size | Yes |
Keylock | Yes |
Solid or Wire | Solid |
Gate Opening | 22 mm |
Number of Colors | 2 |
Lock Indicator | No |
Strengths (kN) | 30 kN 9 kN 12 kN |
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A pictoral representation of UIAA-121 and EN-12275 standards for connectors (the UIAA's fancy word for carabiners).