CDZH
hydraulic elevator is a side door elevator with double-valve
structure. Through changing the bushing, it can handle drilling pipe,
drill collar, casing and tubing and uses the hydraulic control system,
which makes the operation more convenient, effectively reduces the
workers' labor intensity and improves the work efficiency; it can also
realize remote control and make the use safer and more reliable. The
products shall be designed and manufactured according to the
requirements in API Spec 8C Specification for Drilling and Production
Hoisting Equipment
