Name: ZT-21A HDD Rig
SKU: 15
Rating: 5 (1014 reviews)

Description

The key components of drilling rig hydraulic system are all imported or joint venture products, strong power and reliable performance, The rotary head is driven by double motors, high torque and high speed, The power head is equipped with ashackle floating device to protect the drill pipe thread. The thrusting and pulling use Rack and Pinion structure, stable performance.

Parameters

Model	ZT-21A
Max torque(N.m)	6500
Rotation speed(rpm)	0-230
Max pulling/thrusting force(kN)	210
Pulling speed(m/min)	0-65
Commins engine(kW/rpm)	113/2200
Max mud pump displacement(L/min)	240
Max mud pump pressure(Mpa)	8
Entry angle(degree)	12-20
Walking speed(km/h)	2-4
Weight(kg)	7500
Dimension(mm)	620021802250
Rod size(mm)	φ60*3000
Reamer size(mm)	φ200-700

Advantages

Rotation speed is very high, working efficiency increase dramatically. In reality test, rotation speed can reach 235 rpm.
The main pump is Italian CASAPPA triple pump, stable performance. Using flange-type joints, with good sealing performance.
By using serial parallel technology with invention patent, SANT double speed valve provides stable, efficient and reliable performance.