api 4f crown block in drilling rig

...Drilling Rig Spare Parts API 4F Crown Block With Good Price Drilling Rig Crown Block Crown Block is on of the important components of hoisting system of drilling rig. A crown block is the stationary section of a block and tackle that contains a set of pulleys or sheaves through which the drill line(wire rope) is threaded or reeved and is opposite and above the traveling block. The combination of the traveling block, crown block......

..., drilling line protector and sheaves for hydraulic and air winch, bumper wood for the Crown-O-Matic and guardrail. It's designed with closed type and open type. The traveling system is divided into 7×6, 6×5, 5×4, and 4×3, which fit to Φ7/8"~Φ1 1/2"...

...Drilling Rig Components API 8A/API 4F Crown Block TC 450 The crown blocks as the part of the drilling rig is conform to API 4F standard and SY/T5527. The drilling rig crown block is composed with crown basement, fast-line sheave, sand-line sheave, dead-line sheave, main sheave, drilling line protector and sheaves for hydraulic and air winch, bumper wood for the Crown-O-Matic and guardrail. The traveling system of crown block......

TC SERIES OF CROWN BLOCKS The crown blocks complies with API 4F standard, and conforms to the SY/T5527 specification. The rope ward-off structure can prevent the rope from falling off. The crane boom is for the repairing of the sheaves. Equipped with sand ......

...elevate link and so on. In the drilling process, mainly used for drill rod, drill replacement, casing and other operations. Oilfield hook block is the high-capacity J-shaped equipment used to hang various other equipment, particularly the swivel and kelly,...