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PETZL P21 SPE - TANDEM SPEED 直列式雙滑輪(不鏽鋼滑輪在滾珠軸承上)
 ● 設計用於微斜的Tyrolean繩索或鋼纜架空橫渡.
● 不鏽鋼滑輪減低磨損, 更為耐用
● 安裝在密封滾珠式軸承上的滑輪有很高效率.
● 可容許最快速度為每秒20米.
● 可接受3個鉤環(安全扣)以便於使用.
● 斷裂負荷:24kN
● 工作負荷:10kN
● 用於最大13mm繩索
● 用於最大12mm鋼索
● 270g
● CE/UIAA EN12278英文版說明書 TANDEM SPEED - In-line double pulley with stainless-steel sheaves fitted with ball bearings.Designed for use on slightly inclined Tyrolean traverses, on cable or rope. - Stainless steel sheaves for greater durability.
- Sheaves fitted with sealed ball bearings for high efficiency.
- May be used at speeds of up to 20 meters/second.
- Can be used to build rope pulley systems.
- Color : blue-gray.
CertificationCE EN 12 278 Technical specifications- Breaking strength : 24 kN.
- Working load : 10 kN.
For use on cable (12 mm maximum diameter) and on rope (13 mm maximum diameter).
270 g
Individually tested
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