The crown blocks meet to API Spec 4F and Spec 8C, and have the right to use API monogram.
Meet the requirements of industry standard SY/T5527.
FOB price: Please contact the seller for discussion
Min Order Quantity
Payment Terms: T/T,L/C,D/A,D/P
Pulley groove after quenching treatment, wear resistance, long life.
Rope bar and rope barrier are provided to prevent the wire rope form crossing or tailing out the pulley grooves.
Wooden buffer device is provided.
Lifting frame for maintenance of pulley block.
Sand pulley and auxiliary pulley assembly are arranged.
Grown block pulley and travelling block pulley are interchangeable.