• New design provides the dependability of standard McKissick® Snatch Blocks, along with features that make it perfect for the challenging needs of Tugger Hoist and Tower Erection applications.
• Fully recessed sideplate design eliminates gap between sheave rim and sideplate, providing failsafe capture of the sheave in the case of center pin overloading.
• Sealed tapered roller bearings extend the life of the center pin and bearings, and allows for faster line speeds than recommended with standard snatch blocks.
• Holes through side plates are available for secondary block securement device.
• Suitable for hoisting personnel, contingent upon all employees, including the winch operator, being trained to follow applicable Federal, local and industry standards.
• Tugger/Derrick applications: API RP54
• Tower applications: OSHA directive CPL 2-1.36
• Blocks furnished with dual rated wireline sheaves.
• Forged steel swivels, tees, yokes and shackles are Quenched & Tempered.
• Sheave lubrication through center pin for easy maintenance.
• All blocks 14" and larger are furnished with McKissick® Roll Forged sheaves with flame hardened grooves.
• Shackle fitting swivels for easy positioning.
• Manufactured by an API Q1 Certified facility.
• ABS Type Approval and Certification under 2019 Guide for Certification of Lifting Appliances and 2019 Guide for Classification of Drilling Systems.
Ultimate working load (tons) | Pulley Diameter (inches) | Wire rope size (mm) | M-491SArticle No. Spraying | M-491GItem No. Galvanized | Weight each (kg) |
4 | 8 | 10 - 13 | 2020161 | 2020170 | 16 |
8 | 10 | 10 - 13 | 2020806 | 2020815 | 25 |
8 | 10 | 13 - 14 | 2020824 | 2020833 | 25 |
12 | 10 | 13 - 14 | 2021118 | 2021127 | 25 |
12 | 14 | 16 | 2021136 | 2021145 | 43 |
12 | 14 | 19 | 2021154 | 2021163 | 43 |
15 | 16 | 22 | 2021172 | 2021181 | 68 |
15 | 16 | 25 | 2021190 | 2021199 | 48 |
25 | 18 | 32 | 2032312 | 2032315 | 118 |
30 | 20 | 32 | 2032321 | 3032324 | 306 |
Qingdao Jimo Huashan Town provincial Hi-Tech Industrial Development Zone
