Hydraulic elevator type DD is a center latch elevator ,through changing the bushing .it can handle drill pipes ,drill collars .casing&tubing s.by using the dydraulic -controlled system ,it can make the operation more convenient ,reduce the workers’ labor intensity effectively and imporve work efficiency .it can also realize remote controlling and make the using safer and more reliable .the products shall be designed and manufactured accoding to API 8A/C specification for drilling and production hoisting equipment.
Slip Type Elevators DD type API 8pec 8A/8C
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