3525-3820K Two-stage Diesel Skid-mounted Screw Air Compressor
ApexDrill Heavy-Duty DTH Hammer: Product & FAQ Guide
Technical Specs
|
Item |
LGZJ-35/25-38/20 |
|
Model |
LGZJ-35/25-38/20 |
|
Nominal Volume Flow, m³/min |
35-38 |
|
Rated Discharge Pressure, MPa |
2.0-2.5 |
|
Unit Weight, kg |
4500 |
|
Overall Dimension (L×W×H), mm |
3500×1950×2320 |
|
Manufacturer |
Yuchai |
|
Model |
YC6K550-KT30(K8H01) |
|
Type |
Vertical, In-line, Water-cooled |
|
Intake Mode |
Turbocharged & Intercooled |
|
Bore × Stroke × Cylinder Qty |
129×155×6 |
|
Displacement, L |
12.2 |
|
Rated Speed, r/min |
1800 |
|
Unloading Speed, r/min |
1300 |
|
Rated Power, HP |
550 |
|
Engine Oil Capacity, L |
35 |
|
Fuel Tank Capacity, L |
500 |
|
Electrical System Voltage, V |
24 |
|
Airend Model |
SKY11G265 |
|
Compression Stage |
2 |
|
Compressor Oil Capacity, L |
80 |
|
Air Supply Valve - Spec. & Qty. |
G2×1, G3/4×1 |
Products Description
If you are drilling deep water wells in hard granite or basalt, you know how frustrating it is when low air pressure slows your progress down to a crawl. This DTH hammer is built to take a beating on the job site so you don't have to keep pulling strings for constant repairs.
We designed the internal piston to deliver a harder, cleaner strike straight to the bit carbides. It hits hard, clears out cuttings fast, and keeps you drilling instead of waiting. To get the best penetration rate in deep formations, you need a steady, high-pressure air supply. Running this hammer with the 35/25-38/20K Two-stage Diesel Skid-mounted Screw Air Compressor gives you the stable 25 bar and above you actually need down in the hole, especially when you push past 300 meters.
Frequently Asked Questions (FAQ)
Q: How do I know which hammer size to order for my rig?
A: Match it to your target borehole diameter and what your rig and compressor can actually push. If you are doing deep water well projects, make sure your setup handles high pressure. Pairing a 6-inch or 8-inch hammer with the 35/25-38/20K Two-stage Diesel Skid-mounted Screw Air Compressor keeps your air delivery steady and prevents sluggish performance at depth.
Q: What operating pressure should I set for really hard rock?
A: Crank it up between 20 to 30 bar. The extra pressure makes the piston hit faster and harder, which is the only way to crack tough granite efficiently.
Q: How often do I need to pull it apart for maintenance?
A: Open it up and check the internal seals and check valves every 150 to 200 drilling hours. If you notice the penetration rate dropping or weird exhaust sounds, check it immediately.
Q: Can I use water or foam injection with this hammer?
A: Yes, you can run water or foam through the air line when drilling dusty top layers or environmental holes. Just don't forget to keep your line oiler running-otherwise, you will rust the inside components out fast.
Q: Are replacement drill bits easy to source?
A: Yes. Because our hammers use standard global splines (DHD, COP, QL, etc.), you can easily find matching bits locally if you are in a rush.
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