Changsha Chaojingang Machinery Manufacturing Co., Ltd.
                                                                                                           
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Since 2017
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5inch DTH Hammers for Rock Drilling DTH Bit Ql50 Mission50 SD5 DHD350 Cop54 CD55A Compatible

Price Negotiable
Price: Negotiable
MOQ: 1
Delivery Time: Negotiable
Brand: Super Diamond
Product Description

5inch High Air Pressure DTH Hammer Without Foot Valve compatible with bit shank QL50 / SD5 / M50 / DHD350 / COP54 / CD55A

Advantages:
1. High quality raw material, with premium hardened procedures for long life.
2. With full production chain to secure stable and prompt production leadtime.

3. Experienced Senior Technicians.
4. Long year experienced workers and engineers.
5. Quick and efficient service.
6. Care customers' concerned. 

The advantages of hammers
without foot valve against with foot valve:
1. No more worries on the foot valve breakage or distortion or expansion due to the abrasion or high tempreture.
2. Higher impact rate, lower energy consumption, around 15-30% higher drill speed than the one with foot valve
3. Remain simple design, and reliable parts, long life, easy and cheap maintenance.
4. Lower air and oil consumption, oil consumption can be around 10% lower than the one with foot valve.
5. Strongly recommond.



5" DTH hammer specifications:

Model: DHD350R, COP54, SD5, M50, QL50
 
DTH hammers
DHD350
COP54
SD5 M50 QL50
Length(less bit) 1214mm 1175mm 1110mm 1156mm
Weight (less bit) 76.5kg 72.5kg 68.5kg 73.00kg
External diameter 125mm 125mm 125mm 125mm
Bits shank DHD350R
COP54
SD5 Misson50 QL50
Bits diameter 130-156mm
5 1/8" - 6 1/8"

130-156mm
5 1/8" - 6 1/8"
 
130-156mm
5 1/8" - 6 1/8"
130-156mm
5 1/8" - 6 1/8"
Connection thread API 2 3/8" Reg
API 3 1/2" Reg
API 2 3/8" Reg
API 3 1/2" Reg
API 2 3/8" Reg
API 3 1/2" Reg
API 2 3/8" Reg
API 3 1/2" Reg
Air pressure 1.0-2.5Mpa 1.0-2.5Mpa 1.0-2.5Mpa 1.0-2.5Mpa
5inch DTH Hammers in High Quality for Rock Drilling Compatible with DTH Bit Ql50, Mission50, SD5, DHD350, Cop54, CD55A
5inch DTH Hammers in High Quality for Rock Drilling Compatible with DTH Bit Ql50, Mission50, SD5, DHD350, Cop54, CD55A



Other DTH Hammers Technical Data:

DTH 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 1.0-3.0Mpa 1.0Mpa 15m3/min
1.8Mpa 26m3/min
2.4Mpa 34m3/min
10" hammers SD10
NUMA100
API 6 5/8"Reg ¢254-¢330mm 1.2-3.0Mpa 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 1.2-3.0Mpa 1.0Mpa 30m3/min
1.8Mpa 56m3/min
2.4Mpa

78m3/min


Our Production Corner 1:
5inch DTH Hammers in High Quality for Rock Drilling Compatible with DTH Bit Ql50, Mission50, SD5, DHD350, Cop54, CD55A

Production Cornor 2:
5inch DTH Hammers in High Quality for Rock Drilling Compatible with DTH Bit Ql50, Mission50, SD5, DHD350, Cop54, CD55A
5inch DTH Hammers in High Quality for Rock Drilling Compatible with DTH Bit Ql50, Mission50, SD5, DHD350, Cop54, CD55A



Package:
Carton box with foam, then into the ply-wooden cases and or pallet for protecting the products and avoid the damagement during transportation.
Customized package acceptable.
5inch DTH Hammers in High Quality for Rock Drilling Compatible with DTH Bit Ql50, Mission50, SD5, DHD350, Cop54, CD55A




Production Lead-time:
Generally need 15-30 days.


Transportation:
By air, By Express or By sea according to your requests.

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Changsha Chaojingang Machinery Manufacturing Co., Ltd.
Location No. 8, Fengyu North Road, Yongan Town, Liuyang, Changsha
Contact Person Jacky ( Sales Manager)

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