crown block 1.Forged with high strength steel. 2.Conform to API 4F& API 8C mandates. Crown blockForged with hight strength steel, the grooved sheaves are hardened bu medium frequency induction to provide extended service life. Double tow conical roller bearing on the sheaves are designed with independent lubricating points for safety and rope guards are installed to prevent the wire rope from ...
DC Electric Drilling Rig 1. ZJ40~ZJ70 RIG 2.conform to the API specification 3.Adopting advanced AC-SCR-DC technology DC Electric Drilling Rig Technical characteristics*Adopting advanced AC-SCR-DC technology;*Both swing lift and sling-shot parallel-integrated substructures with 9m and 10.5m floor height are optional. All parts on rig floor and mast are installed on ground and raised with ...
travelling block 1.standard:API Spec 8A 2. Competitive price 3..Delivery promptly 4.High quality service travelling block 1.standard:API Spec 8A 2. Competitive price 3..Delivery promptly 4.High quality serviceWe are the professional supplier trade drilling tools and equipment.whch are specially chosen by SINO-PETROL and SINO-PEC.Besides the regular products, we alos supply products per ...
1).Max. hook load:1350-5850KN 2).Main manufacturing equipment/parts conform to API specifications 8A Design features 1. The housing assembly is made of thick section steel plate to provide enough weight.2. Sheave grooves are hardened by medium frequency induction to provide extended service life.3.Equipped with double-row conical roller beariangs and each bearing is individually lubricated.4. ...
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