久久人人爽人人人人爽AV_色偷偷88888欧美精品久久久_色噜噜狠狠狠狠色综合久一_把腿扒开做爽爽视频
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




久久人人爽人人人人爽AV_色偷偷88888欧美精品久久久_色噜噜狠狠狠狠色综合久一_把腿扒开做爽爽视频