PETZL B53 MICROGRAB 小型上升器 - Compact rope clamp / grab for permanent installation on the rope

Intended for moving on fixed ropes (as a back-up belay), for hauling heavy loads, and as a progress capture device in hauling systems.

• Very secure attachment to the rope: installation is done by threading one end of the rope through the device, thus greatly reducing the chance of accidental disconnection from the rope.
• Can replace a Prusik hitch for making an adjustable lanyard.
• Very compact and lightweight.
• Slides easily up the rope and jams when the cam is loaded.
• Slides easily downwards if the cam is prevented from engaging.
• If overloaded or subjected to an impact force, the rope may slip through the device.

Certification  CE EN 567

Technical specifications

• Individually tested
• For use on single rope from 9 to 13 mm.
  175 g

PETZL B53 - MICROGRAB- 長期安裝在繩上的小型上升器

設計用於固定繩上的移動(作為後備保護)，吊起重物和在起重裝置中作制停功能。 ‧穩固地安裝在繩索上：安裝時只需將繩的一端穿過上升器，便可減低意外滑脫的情況。 ‧如欲作一個可調校挽索，上升器可替代Prusik普魯士結。 ‧非常輕盈小巧，重175g. ‧防墜器向上滑動自如,而向下受重時凸輪會制停。 ‧如果移開滑輪卡子, 防墜器可向下滑動自如。 ‧遇有超負荷或強力衝擊，繩索會滑動。 ‧適用9-13mm直徑單繩。 ‧認證：CE  EN567