Reverse Circulation Drill Hammer RC Drill Hammer High Pressure DTH Drilling

• Certification: CE, ISO 9001:2000
• Standard: API
• Surface Treatment: Spray-Paint
• Manufacturing Process: Forging
• Material: Alloy Steel
• Use: Well Drilling
• Machine Type: Drilling Equipment
• Trademark: ANBIT
• Origin: China
• Production Capacity: 5000 PCS/Year

Product Description

Reverse Circulation Drill Hammer Rc Drill Hammer High Pressure DTH Drilling

 

We take pride in being one of the top supplier of DTH bits and hammers in China. We manufacture thousands of different configurations based on our customers' specifications. We have one of the largest stocking selections of bits in the China. We have achieved and adhere to the strict standards set forth to us by the ISO 9001:2008. We offer an extensive range of high quality DTH bits and hammers  to customers all around the world and wins high praise for the good performance of our DTH bits and hammers.

 

NRC series reverse circulation DTH hammer is the latest developed product of our company.It's mainly used for deep exploration drilling and core sampling

Advantages:

1.Based on previous experience of ordinary hammer, combined with feature of reverse circulation hammer, optimized internal structure and ideal energy transfer,thus ensuring the series of hammers drilling with fast,smooth and continuous sampling.

2.The internal structure is very simple with components of high rigidity,thus ensuring long life and easy maintenance of the hammer.

3.The collection tube adopts an integrative design and can be replaced without disassembling the hammer with carburizing treatment, it has good abrasive resistance.

4.Equipment with bits designed with patent.Simply by replacing the drill bit, the same hammer can drill holes of different sizes ensuring that the sample is not contaminated.

5.In difficult conditions such as loose soil,hard rock and plenty of water exist, sampling can be done well.

Specifications

 

NRC Reverse Circulation Hammer
Item Description	Weight(kg)
	NRC45	NRC55	NRC65	NRC52
1,Internal Ciclip	0.03	0.04	0.05	0.04
2,Air Screen	0.35	0.44	0.65	0.44
3,Top Sub	6.50	9.65	20.00	9.65
4,"O"Ring	0.01	0.02	0.02	0.02
5,Sample Tube	5.10	6.72	12.50	6.75
6,Check Valve	0.25	0.68	0.85	0.68
7,Spring	0.04	0.12	0.10	0.12
8,"O"Ring	0.01	0.02	0.02	0.02
9,Air Distributor	0.85	1.48	3.50	1.48
10,"O"Ring	0.02	0.01	0.02	0.01
11,Internal Cylinder	2.20	4.12	4.20	4.12
12,Piston	8.50	16.90	24.00	16.90
13,External Cylinder	14.50	19.50	32.00	21.50
14,Guided Sleeve	1.20	0.90	5.50	1.90
15,"O"Ring				0.02
16,Stop "O"Ring				0.01
17,Stop Ring				0.32
18,Sharout				1.86
19,Drive Chuck	3.20	5.65	6.50	4.17
20,Bit Retaining Pin	0.01	0.15	0.30
21,Drill Bit	10.50	15.80	31.00	11.05

 

 

Technical Data
Length(Without Bit)	NRC45	NRC55	NRC65	NRC52
	1020mm	1111mm	1250mm	1208mm
Weight(Without Bit)	94.00 kg	66.50 kg	110.00kg	70.00kg
External Diameter	Ø99mm	Ø126mm	Ø146mm	Ø126mm
Bit Shank	NRC45	NRC55	NRC65	PR52
Hole Range	Ø114-Ø127mm	Ø133-Ø15mm	Ø155-Ø190mm	Ø133-Ø146mm
Connection Thread	Custom support	Custom support	Custom support	Custom support
Working Pressure	1.0-3.0Mpa	1.5-3.5Mpa	1.5-3.5Mpa	1.5-3.5Mpa
Impact Rate at 17 Bar	30HZ	35HZ	28HZ	35HZ
Recommended Rotation Speed	25-40 r/min	25-40 r/min	25-40 r/min	25-40 r/min
Air Consumption	1.0Mpa:8m³/min	1.7Mpa:16m³/min	1.7Mpa:20m³/min	1.7Mpa:16m³/min
	1.8Mpa:12m³/min	2.4Mpa:22m³/min	2.0Mpa:26m³/min	2.4Mpa:22m³/min
	2.4Mpa:16m³/min	3.0Mpa:28m³/min	3.0Mpa:35m³/min	3.0Mpa:28m³/min

Company Information

 ABT Drilling Equipment Co., Ltd. mainly provides holistic drilling solutions, serving the mining, stone crushing, water conservancy drilling industry, to help you solve the problem of drilling at high efficiency and low cost. We mainly provide mobile air compressors, drilling rigs, impactors, drills, crushers, water meters, is your stable and reliable partner.