Hydraulic
elevator type DDZH is a center latch elevator. Through changing the bushing, it
can handle drill pipes, drill collars, casings and tubings. By using the
hydraulic-controlled system, it can make the operation more convenient, reduce
the workers’ labor intensity effectively and improve 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 API SPEC 8A/8C
Specification for drilling and production hoisting equipments.
Main Technical Parameters
Model |
Tubular & size in |
Rated Capacity (short tons) |
|||
Drill Pipe w/ 18°Taper |
Casing |
Drill Collar |
Tubing |
||
DDZH-250 |
2-3/8”~5” |
4-1/2”~5” |
3-1/8”~5-1/4” |
2-3/8”~4-1/2” |
250 |
DDZH-350 |
2-3/8”~6-5/8” |
4-1/2”~7” |
3-1/8”~6-3/4” |
2-3/8”~5-1/2” |
350 |
DDZH-500 |
2-3/8”~6-5/8” |
4-1/2”~7” |
3-1/2”~6-3/4” |
/ |
500 |