茄子视频性大片免费看,国产黄色网站免费观看,2017狠狠色狠狠狠色V,久久久久亚洲AV无码尤物黑人,9O人妻无码精品一区区毛片

Down the hole drill series
KQD70 electirc down the hole drill

KQD70B electric down the hole drill

High efficiency energy saving electric down the hole drill

Based on motor turning effect,economic, efficient and energy-saving.

Used the straight tooth transmission reducer,big rotary torque,high drilling efficiency.

Novel overload protection,make the drill stable and reliable operation.

KQD70 down the hole drill technical parameters:
Hole diameter（mm）60-80
Hole depth（m）≥15
Rotary speed(rpm）0-125
Working pressure（MPa）0.5~0.7
Steel rod specification（mm）40x1000
Capacity（m^3/min）≥3.5

Elevating power（N）

4000
Remarks:  Electromotor（3kW）

LGJY-4.5/6 Portable screw air compressor


☆Working pressure：0.6MPa

☆Capacity：4.5m3/min

☆Motor power：22kW

>>Click to view data for details