Specifications
Brand Name :
New Diamond
Model Number :
NQL series
Certification :
ISO9001:2008
Place of Origin :
Hunan, China (Mainland)
MOQ :
Negotiable
Price :
Negotiable
Payment Terms :
L/C, T/T, Western Union
Supply Ability :
According to order quantity
Delivery Time :
5-8 work days
Packaging Details :
Carton packaging and wooden box packing
Type :
hammers
Processing Type :
Forging
Use :
Ore Mining
Color :
Required
Machine Type :
Drilling Equipment
Material :
Alloy Steel
Description

NQL series Down The Hole Hammer

Description



The new diamond dart impactor uses the latest drilling theory to design impactor, which enables the impactor to get the best energy transfer, fast drilling speed and low air consumption. The best quality of raw materials and the most advanced processing technology, stable performance and long life. Easy to use, easy to install and disassemble, easy to repair and easy to repair.

With professional manufacturing experience in DTH hammer production, our factory can supply you with high pressure and medium to low pressure DTH hammers. It strictly matches with API standard and other Chinese industry standards.It is durable for being produced with advanced craftwork and good material.

It also has the followingadvantages:

1. Deliver maximum energy to drilling bit, fast drilling speed and low air consumption due to the special inner structure of DTH hammer designed according to newest rock drilling theory.

2. Smooth performance and long service life of DTH hammer due to high quality alloy steel materials and advanced processing technology adapted.

3. Low problem rate and easy to maintenance due to simple, reliable and easy assemble and disassemble inner structure of hammer.

4. Easy to depart bit from hammer due to multi—head thread connecting chuck and cylinder of hammer.

5. Interchangeable with DTH bit and drill pipe.

Applications



Widely used in mines, quarries, earthworks and other engineering drilling blasting hole, guardrail hole, mountain reinforcement, anchorage and other engineering holes, geothermal exploration hole, Well bore and other fields.

Specifications


NQL Series High Air Pressure DTH Hammers With Foot Valve

Technical Data

Length(Without Bit) NQL4 NQL5 NQL6 NQL8
1097mm 1156mm 1212mm 1465mm
Weight(Without Bit) 41.00kg 73.00kg 95.00kg 182.00kg
External Diameter Ø99mm Ø126mm

Ø142mm Ø144mm

Ø146mm Ø148mm

Ø180mm
Bit Shank QI40 QI50 QI60 QI80
Hole Range Ø110-Ø135mm Ø135-Ø155mm Ø155-Ø190mm Ø195-Ø254mm
Connection Thread API2 3”/8REG

API3 1”/2REG

API2 7”/8REG

API3 1”/2REG

API2 7”/8REG

2 7”/8 IF

API4 1”/2REG
Working Pressure 1.2-2.0Mpa 1.3-2.3Mpa 1.5-2.5Mpa 1.5-3.0Mpa
Impact Rate at 14 Bar 27HZ 25HZ 23HZ 20HZ
Recommended Rotation Speed 25-40r/min 25-40r/min 20-30r/min 15-25r/min
Air Consumption

1.0Mpa:6.0m³/min

1.8Mpa:10.0m³/min

2.4Mpa:15.0m³/min

1.0Mpa:9.0m³/min

1.8Mpa:15.0m³/min

2.4Mpa:23.0m³/min

1.0Mpa:10.0m³/min

1.8Mpa:20.0m³/min

2.4Mpa:28.5m³/min

1.0Mpa:15.0m³/min

1.8Mpa:26.0m³/min

2.4Mpa:34.0m³/min

NQL Series High Air Pressure DTH Hammers With Foot Valve

Technical Data

Length(Without Bit) NQL4 NQL5 NQL6 NQL8
1097mm 1156mm 1212mm 1465mm
Weight(Without Bit) 41.00kg 73.00kg 95.00kg 182.00kg
External Diameter Ø99mm Ø126mm

Ø142mm Ø144mm

Ø146mm Ø148mm

Ø180mm
Bit Shank QI40 QI50 QI60 QI80
Hole Range Ø110-Ø135mm Ø135-Ø155mm Ø155-Ø190mm Ø195-Ø254mm
Connection Thread API2 3”/8REG

API3 1”/2REG

API2 7”/8REG

API3 1”/2REG

API2 7”/8REG

2 7”/8 IF

API4 1”/2REG
Working Pressure 1.2-2.0Mpa 1.3-2.3Mpa 1.5-2.5Mpa 1.5-3.0Mpa
Impact Rate at 14 Bar 27HZ 25HZ 23HZ 20HZ
Recommended Rotation Speed 25-40r/min 25-40r/min 20-30r/min 15-25r/min
Air Consumption

1.0Mpa:6.0m³/min

1.8Mpa:10.0m³/min

2.4Mpa:15.0m³/min

1.0Mpa:9.0m³/min

1.8Mpa:15.0m³/min

2.4Mpa:23.0m³/min

1.0Mpa:10.0m³/min

1.8Mpa:20.0m³/min

2.4Mpa:28.5m³/min

1.0Mpa:15.0m³/min

1.8Mpa:26.0m³/min

2.4Mpa:34.0m³/min

Feature Advantage


Characteristic advantage

1 adopts the industry's leading heat treatment technology, and the steel hardness and wayward products are in the leading position.

2 alloy teeth adopt professional technology to greatly improve the strength of alloy teeth.

3 perfect after-sales security system and after-sales service tracking, the perfect solution to any problem of customers.

NQL Series High Air Pressure DTH Hammers With Foot Valve
Item Description Weight(kg)
NQL4 NQL5 NQL6 NQL8
Top Sub 6.50 15.00 20.00 41.00
“O” Ring Of Top Sub 0.01 0.015 0.02 0.02
Breakout Ring - - - 0.30
Chenck Valve 0.42 1.00 1.00 1.50
Spring 0.04 0.10 0.10 0.10
Compression Buffer 0.04 0.10 0.10 0.42
Air Distributor 2.20 3.50 6.00 13.00
Internal Cylinder 2.30 4.20 5.00 8.60
Piston 9.00 19.00 23.50 41.00
External Cylinder 16.50 24.60 31.00 60.00
Guided Sleeve 0.90 1.00 2.20
“O” Ring Of Stop Ring 0.01 0.01 0.02 0.02
Stop Ring 0.30 0.40 0.60 1.20
Breakout Ring - - - 0.30
Drive Chuck 3.00 4.60 5.40 12.00
Drill Bit 9.50 15.50 24.60 35.00

NQL Series High Air Pressure DTH Hammers Without Foot Valve
Item Description Weight(kg)
NQL4A NQL5A NQL6A NQL8A NQL95A
Top Sub 6.50 13.70 20.00 34.00 35.00
“O” Ring Of Top Sub 0.01 0.015 0.015 0.015 0.01
Breakout Ring - - - 0.30 0.04
Chenck Valve 0.35 0.70 0.70 1.20 1.20
Spring 0.05 0.10 0.10 0.10 0.10
Air Distributor 1.50 2.00 3.50 6.00 7.00
Internal Cylinder 2.10 2.70 4.20 6.50 7.50
Piston 8.50 15.00 23.00 42.50 48.00
External Cylinder 15.20 24.00 30.00 59.00 75.00
Guided Sleeve 1.80 3.00 4.00 6.30 12.00
“O” Ring Of Stop Ring 0.005 0.01 0.01 0.01 0.01
top Ring 0.20 0.40 0.60 1.40 1.70
Breakout Ring - - - 0.30 0.40
Drive Chuck 3.20 4.50 5.50 13.00 15.00
Drill Bit 9.00 16.00 25.00 35.00 50.00
Send your message to this supplier
Send Now

Low Problem Rate Water Well Drilling Tools 27HZ Impact Rate Long Service Life

Ask Latest Price
Brand Name :
New Diamond
Model Number :
NQL series
Certification :
ISO9001:2008
Place of Origin :
Hunan, China (Mainland)
MOQ :
Negotiable
Price :
Negotiable
Contact Supplier
Low Problem Rate Water Well Drilling Tools 27HZ Impact Rate Long Service Life

Hunan New Diamond Construction Machinery Co., Ltd.

Active Member
8 Years
hunan, yueyang
Since 2011
Business Type :
Manufacturer
Total Annual :
1,000,000-40,000,000
Employee Number :
100~300
Certification Level :
Active Member
Contact Supplier
Submit Requirement