Specifications

Features:

1. Carcasses are made from high intensity section steel.
2. Inclined working pulley block eliminates the torsion of block, and makes the sideboard of the traveling block opposite to the derrickman exactly.
3. Rope groove of the pulley is quenched by medium frequency, to prolong the working life of the pulley.
4. Working pulley is equipped with bipyramid rolling bearing, and each bearing has an independent oil duck.
5. Equipped with catch rod, to protect wireline from jumping out or falling off.
6. Built with anti-collision buffer wood and protecting wire net.
7. With girder crane boom, for the maintenance of pulley assembly.
8. Equipped with bailing pulley and assisting pulley.
9. Pulleys and bearings could be interchanged with matched traveling block

Standard: API SPEC 4F standard

Detailed specification: