Medium Air Pressure DTH Hammer

• Certification: CE, RoHS, ISO 9001:2000, ISO 9001:2008
• Standard: AISI
• Surface Treatment: Polishing
• Manufacturing Process: Forging
• Material: Carbon Steel
• Length: 760-889mm
• Model NO.: DTH Hammer
• External Diameter: 54-82mm
• Hole Range: 64-110mm
• Working Pressure: 0.7-1.75MPa
• Transport Package: Standard Export Packing
• Specification: 760-889mm
• Trademark: HF
• Origin: China
• Production Capacity: 100piece/Day

Product Description

Product Description

Features

1. The applicable working pressure is 0.7-1.75Mpa.

2. It is valveless medium air pressure DTH hammer.

3. Compact structure, easy disassembly, and long service life.

4. High impact power, fast drilling speed.

5. Low air and energy consumption, the check valve can be drilled when the slag discharge needs to be increased,

Application

It is applicable for drilling the medium hard and high hard tough rock with poor drillability. It is widely used for drilling blasting holes, landslide protection, dam site reinforcement, anchoring and other engineering holes in mines, quarries, road construction, etc.

Technical Data

Length (bit excluded)	Weight (bit excluded)	External diameter	Hole Range	Working pressure	Impact Frequency	Recommended rotation speed	Air Consumption
760mm	10kg	54mm	64-76mm	0.7-1.75Mpa	27HZ(1.4Mpa)	25-40r/min	0.7Mpa	1.0Mpa	1.4Mpa
							1.5m3/min	2.5m3/min	3m3/min
880mm	14.5kg	62mm	70-90mm	0.7-1.75Mpa	25HZ(1.4Mpa)	25-40r/min	0.7Mpa	1.0Mpa	1.4Mpa
							2.5m3/min	4m3/min	5m3/min
889mm	26kg	82mm	90-110mm	0.7-1.75Mpa	25HZ(1.4Mpa)	20-40r/min	0.7Mpa	1.0Mpa	1.4Mpa
							4m3/min	6m3/min	8m3/min

Company Introduction

Hanfa Group established in 1998 is a key enterprise in the industry of geological exploration and water well field, with the ability to research,manufacture and market. Now, the Group pursues high standard manufacturing and qualified products. It has more than 20 species such as water well drilling rig, core drilling rig, engineering drilling rig, DTH drilling rig, horizontaldirectional drilling rig, etc. These machines are mainly used in geological prospecting, exploration of railway and highway engineering, mining, SPT, water well, geothermal well etc. Some of them won the Scientific and Technical Advance Prize or the National Scientific Research Achievement Prize. All the products have passed the quality system certification of ISO9001:2000 and are national inspection-free products.

1. More than 20 years of experience 

The factory is located in Henan Province, China. We are very welcome to visit our factory. If
you need it, we will arrange a pick-up.
2.Top production team
The transportation and packaging will be packaged in international standards. If you have special packaging requirements, we will give you the most suitable solution.
3.Our Service
- New machine provides technical trair.
- Once anything goes wrong with the machine by normal using, our technical person must appear at the first time no matter where you are.
- When the machine should be maintained, you will receive the reminding from us.
- According to different geological conditions, we will recommend different construction plans for you
- Remind you which are wearing parts, so you can prepare enough.
- 24 hours respond to your quality problem.

FAQ
1, Are you trading company or manufacturer?

We are professional manufacturer, and our factory mainly produce water well drilling rig, core drilling rig, DTH drilling rig, piling rig, etc. Our products have been exported to more than 50 countries of Asia, South America, Africa, and get a good reputation in the world.

2, Are your products qualified?
Yes, our products all have gained ISO certificate,and we have specialized quality inspection department for checking every machine before leaving our factory.

3, How about your machine quality?
All of our machines hold the ISO, QC and TUV certificate, and each set of machine must pass a great number of strict testing in order to offer the best quality to our customers.

4, Do you have after service?
Yes, we have special service team which will offer you professional guidance. If you need, we can send our engineer to your worksite and provid the training for your staff.

5, What about the qaulity warranty?
We offer one-year quality warranty for machines' main body.

6, How long can you deliver the machine?
Generally, we can deliver the machine in 7 days.

Our Customers