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Home > products > High Air Pressure DTH Hammer > Numa Series High Pressure DTH Hammers with Durable Alloy Steel Construction
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High Air Pressure DTH Hammer

(1798)

Reverse Circulation Hammers

(187)

Reverse Circulation Bits

(367)

DTH Drill Bits

(807)

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(142)

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(14)

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(12)

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(9)

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Numa Series High Pressure DTH Hammers with Durable Alloy Steel Construction
Numa Series High Pressure DTH Hammers with Durable Alloy Steel Construction

Numa Series High Pressure DTH Hammers with Durable Alloy Steel Construction

Product Details

Place of Origin: China

Brand Name: Super Diamond

Model Number: DHD,QL,Mission,SD

Payment & Shipping Terms

Minimum Order Quantity: 1

Get Best Price

Product Details

Product Description
Highlight:
Model NO.:
CD35A 
Surface Treatment:
Spray-Paint
Manufacturing Process:
Forging
Material:
Alloy Steel
Transport Package:
Ply-Wooden Cases For Exporting
Specification:
2 Inch To 12 Inch
Trademark:
Super Diamond
Origin:
China
HS Code:
8207199000
Supply Ability:
10000
Customization:
Available
Certification:
ISO 9001:2000
Standard:
JIS, ASTM
Model NO.:
CD35A 
Surface Treatment:
Spray-Paint
Manufacturing Process:
Forging
Material:
Alloy Steel
Transport Package:
Ply-Wooden Cases For Exporting
Specification:
2 Inch To 12 Inch
Trademark:
Super Diamond
Origin:
China
HS Code:
8207199000
Supply Ability:
10000
Customization:
Available
Certification:
ISO 9001:2000
Standard:
JIS, ASTM
Numa Series High Pressure DTH Hammers with Durable Alloy Steel Construction
CD35A  High air pressure DTH Hammer without foot valve.
Numa Series High Pressure DTH Hammers

Advantages:
1.Out of the throuble of foot valve fracture and expansion and contraction.
2.Lower energy consumption and higher impact frequency.The drilling speed is 15%-30% higher than the one with foot valve.
3.Simple structure, reliable parts, long life, easy and cheap maintenance.
4.Lower air and oil consumption. The oil consumption is about 10% lower than the one with foot valve.

Products specifications:

 

Hammers		 Bit Shank Connection Thread Suitable bit Working pressure Air consumption
1-3" Middle-low pressure DTH hammers
BR1
BR2
BR3		 RD40 box
RD50 box
API 2 3/8" Reg
¢64-¢76mm
¢70-¢90mm
¢90-¢110mm		 0.7-1.75Mpa
0.7-1.75Mpa
0.7-1.75Mpa		 0.7Mpa 4.5m3/min
1.0Mpa 4m3/min
1.4Mpa 5m3/min
3" hammers DHD3.5
COP32/COP34
M30		 API 2 3/8"Reg ¢90-¢110mm 1.0-1.5Mpa 1.0Mpa 4.5m3/min
1.5Mpa 9m3/min
4" hammers DHD340
COP44
QL40
SD4
M40		 API 2 3/8"Reg ¢105-¢130mm 1.0-2.5Mpa 1.0Mpa 6m3/min
1.8Mpa 10m3/min
2.4Mpa 15m3/min
5" hammers DHD350
COP54
QL50
SD5
M50		 API 2 3/8"Reg/API 3 1/2"Reg ¢130-¢156mm 1.0-2.5Mpa 1.0Mpa 9m3/min
1.8Mpa 15m3/min
2.4Mpa 23m3/min
6" hammers DHD360
COP64
QL60
SD6
M60		 API 3 1/2"Reg ¢152-¢203mm 1.0-2.5Mpa 1.0Mpa 10m3/min
1.8Mpa 20m3/min
2.4Mpa 28.5m3/min
8" hammers DHD380
COP84
QL80
SD8		 API 4 1/2"Reg ¢200-¢279mm 1.0-2.5Mpa 1.0Mpa 15m3/min
1.8Mpa 26m3/min
2.4Mpa 34m3/min
10" hammers SD10
NUMA100		 API 6 5/8"Reg ¢254-¢330mm 1.0-2.5Mpa 1.0Mpa 22m3/min
1.8Mpa 40m3/min
2.4Mpa 55m3/min
12" hammers DHD1120
SD12
NUMA120
NUMA125		 API 6 5/8"Reg ¢305-¢381mm 1.0-2.5Mpa 1.0Mpa 30m3/min
1.8Mpa 56m3/min
2.4Mpa 78m3/min

Tags:

DTH Drilling Hammer,

Down The Hole Hammer,

DTH Hammer Assembly

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Changsha Chaojingang Machinery Manufacturing Co., Ltd.
products

High Air Pressure DTH Hammer

Reverse Circulation Hammers

Reverse Circulation Bits

DTH Drill Bits

Top Hammer Drill Bits

DTH Drill Pipes

DTH Drill Rods

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No. 8, Fengyu North Road, Yongan Town, Liuyang, Changsha
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