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Low Air Pressure CIR90 DTH Hammer | Central Exhaust Design
Low Air Pressure CIR90 DTH Hammer | Central Exhaust Design
Low Air Pressure CIR90 DTH Hammer | Central Exhaust Design
Low Air Pressure CIR90 DTH Hammer | Central Exhaust Design
Low Air Pressure CIR90 DTH Hammer | Central Exhaust Design
Low Air Pressure CIR90 DTH Hammer | Central Exhaust Design
Specifications
Brand Name :
HLDRILL
Model Number :
GB
Certification :
ISO9001
Place of Origin :
China
MOQ :
10PCS
Price :
Please contact us
Payment Terms :
T/T
Supply Ability :
3000 per month
Delivery Time :
7-15 days
Packaging Details :
Wooden box/Cardboard box
Type :
Low Air Pressure DTH Hammer
Brand :
Henglong / OEM
Application :
Mining, Quarrying, Well Drilling, Blasting, Construction
Condition :
New
Recommended Hole Diameter :
90–110 mm
Connection Thread :
T48×10
Length :
855 mm
Weight :
22 kg
Description
Low Air Pressure CIR90 DTH Hammer | Central Exhaust Design

The CIR90 Low Air Pressure DTH Hammer is a highly reliable valved down-the-hole hammer featuring an impact mechanism with plate valve, single piston, and central exhaust structure. Engineered specifically for low-air-pressure operating conditions, its robust design ensures stable impact performance at air pressures ranging from 0.5 to 0.7 MPa.

Performance Characteristics
  • High single-impact energy with low energy consumption during rock drilling
  • Optimal weight ratio between piston and drill bit with prolonged effective action duration for improved drilling efficiency and extended tool service life
  • Excellent central exhaust and cuttings discharge capabilities to minimize re-crushing of rock fragments
  • Equipped with check valve assembly for underwater rock drilling operations

Applications
Widely used in mining, quarrying, water well drilling, and engineering blasting applications.
Technical Specifications
Hammer Length without bit 855 mm
Top sub thread F48x10PIN
Outside diameter 80 mm
Weight 22 KG
Bit diameter 90-120 mm
Working Pressure 5-10 Bar
Air consumption 7-12 M³/min
Bit shank CIR90
Component Parts
Item Description Part Number Item Description Part Number
Top Sub CIR90A-01 Valve CIR90A-08
Cap CIR90A-02 Air Distributor CIR90A-09
Check Valve CIR90A-03 Inner Cylinder CIR90A-10
Spring CIR90A-04 Piston CIR90A-11
Shim CIR90A-05 Guide Sleeve CIR90A-12
Rubber ring CIR90A-06 Driver Sub CIR90A-13
Valve cap CIR90A-07 Outer Sleeve CIR90A-14




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Low Air Pressure CIR90 DTH Hammer | Central Exhaust Design

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Product Detail
Brand Name :
HLDRILL
Model Number :
GB
Certification :
ISO9001
Place of Origin :
China
MOQ :
10PCS
Price :
Please contact us
Contact Supplier
Low Air Pressure CIR90 DTH Hammer | Central Exhaust Design
Low Air Pressure CIR90 DTH Hammer | Central Exhaust Design
Low Air Pressure CIR90 DTH Hammer | Central Exhaust Design

Yanggu Henglong Construction Machinery Co., Ltd.

Verified Supplier
1 Years
hunan, liaocheng
Since 2018
Business Type :
Manufacturer, Exporter, Trading Company, Seller, Other
Main Products :
Button Bit, Drill Rod, Shank Adapters
Total Annual :
10000000-30000000
Employee Number :
30~50
Certification Level :
Verified Supplier
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