核心组件质保期
1 Year,2000 Hours of use
Working medium
Oil gas water
Usage
drilling tools, Oilfield well drilling
Spec of kelly stem
2-1/2;3;3-1/2;4-1/4
Min bore Dia
1-1/4;1-3/4;2-1/4/2-13/16
Working Pressure
500/1000/1500
Port Size
2-1/2;3;3-1/2;4-1/4;5-1/4