Description
SR71 E Series Trolley/Pulley
Key Features:
- Rockwell case hardened 56-58 steel
- Sealed ball bearings
- Excellent for challenging outdoor environments
- Built for to ⅜, ½, ⅝, ¾,” diameter cable
NFPA 1983-2012 Section 7.6.5.4 Pulley Performance Requirements- General Use
- Minimum 3 sigma breaking strength (3σ MBS) of not less than 36 kN (8,093 lbs)
Independent test rated to 19,000 Lbs.
Tested to NFPA 1938-2012 Class G, exceeds ANSI and OSHA standards
| Mean | Deviation | MBS / (kN) | SWL (ƒ) 5 |
| 20,281 | 488 | 18,817 lb. / 84 (kN) | 3763.4 lb. |
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