Hydraulic elevator type CDZH is a side door elevator with double – valve structure . Through changing the bushing , it can handle drill pipe , drill collars , casings and tubing, by using the hydraulic –controlled system, it can make the operation more convenient , reduce the workers’ labor intensity effectively and improve the work efficiency . It can also realize remote controlling and make the using safer and more reliable. The products shall be designed and manufactured according to the requirement in API Spec 8A/8C Specification for drilling and production hoisting equipment .
Main Technical Parameter
|Model||Tubular & Size (in)||Rated capacity (short tons)|
|CDZH—500||3 1/2—6 5/8||4 1/2—9 5/8||4 3/4—9 3/4||2 3/8—4 1/2||500|
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