Features of traveling block
l Designed and manufactured as per API Spec 8A, being authorized to use the official API monogram;
l Sheave groove subject to intermediate frequency quenching for better surface hardness and longer wireline service life;
l Sheaves are all equipped with double tapered roller bearings with unique oil way to each bearing
l High strength wireline elevator bails;
l The sheave and bearing are interchangeable for mated crown block.