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DHD340 COP44 Series dth hammers and bits / 4'' rock boring tool

DHD340 COP44 Series dth hammers and bits / 4'' rock boring tool

DHD340 COP44 Series dth hammers and bits / 4'' rock boring tool

Product Details:

Place of Origin: China
Brand Name: MIROC
Certification: API
Model Number: DTH Hammer

Payment & Shipping Terms:

Minimum Order Quantity: 1 Piece DTH Hammer
Price: negotiation
Packaging Details: Carton Box or Wooden Box
Delivery Time: 25 days
Supply Ability: 20000 pieces per month
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Detailed Product Description
Name: DTH Hammer Series: DHD340 COP44
Size: 4'' Type: With Foot Valve, No Foot Valve
Use: Tunneling, Mining,Quarrying,Water Well Color: Green,Black ,Orange ,Blue,Golden

 
DHD340 COP44 Series dth hammers and bits / 4'' rock boring tool

 Basic Information
 

Items Replacement Parts
1 Top sub
2 O-ring of top sub
3 Breakout Ring
4 Check Valve
5 Spring
6 Compression Buffer
7 Air Distributor
8 Internal cylinder
9 Piston
10 External cylinder
11 Guide sleeve
12 O-ring of stop ring
13 Stop ring
14 Breakout ring
15 Drive chunk
16 Drill bit

 
QL40 Hammer Specification
 

Drilling Diameter(mm) Hammer Length(mm) External Diameter(mm) Weight(kg)
φ110-φ135 1097(without bit) 99 41(without bit)
Working Pressure(Mpa) Air Consumption(m³/min)
1.2-2.0 1.0Mpa: 6m³/min 1.8Mpa: 10m³/min 2.4Mpa: 15m³/min
Impact rate at 17 bar Connection Rod Thread Recommended Rotation Speed Bit Shank
27HZ API 2-3/8'' Reg 25-40 r/min. QL40

 
DHD340 Hammer Specification
 

Drilling Diameter(mm) Hammer Length(mm) External Diameter(mm) Weight(kg)
φ108-φ130 881(without bit) φ99 38
Working Pressure(bar) Air Consumption(m³/min)
8.0-30.0 10bar: 5 18bar: 10.2 24bar: 15
Connection Rod Thread Bit Shank
API 2-3/8” Reg DHD340A( With Foot Valve)

 

Competitive Advantage
 
•  Valveless air distribution, more reliable.
•  Simple design of the piston. Long life span.
•  More efficient energy transfer, faster drilling speed, low air consumption and lower oil consumption. 
•  Fewer internal parts, simple structure, less failure and easier to maintain.
•  Easy to disassembled because the top sub, the drive chuck and the external cylinder are connected by       multiple steps thread. 
 
Photos
DHD340 COP44 Series dth hammers and bits / 4'' rock boring tool
 
 DHD340 COP44 Series dth hammers and bits / 4'' rock boring tool

Contact Details
KSQ Technologies (Beijing) Co. Ltd

Contact Person: katy.zhang@ksq-tech.com

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