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Low Air Pressure CIR DTH Hammer

CIR DTH hammer is widely used in geotechnical engineering in a variety of hard, high hardness and other toughness can be poor tough rock....

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The “DTH” is the abbreviation of “Down The Hole” and sometimes it is also called “RAB” in some markets, and the “RAB” is short for “Rotary Air Blasting”.

CIR DTH hammer, a kind of valve- equipped Low-Air-Pressure hammer with a single piston; a plate valve and a central exhaust structure.The compressed air is adopted as the driving force. To prevent dust pollution and get a better performance, some high-pressure water may be added into the air for wet rock drilling. 

 

Shank Type: CIR76, CIR90, CIR110, CIR130, CIR150

Bit Diameter: 76mm-200mm

 CIR DTH Hammer


CIR



CIR BIT

CIR DTH hammer mainly featured in:

1. Mainly for blasting hole above 90mm, in mining and quarry;

2. Low air consumption, energy saving, fast penetration speed;

3. The strong energy of single impact and the low energy consumption in rock crushing;

4. A good performance in central air exhaust and cuttings discharge, which reduces the repeated crushing of rock;

5. A check valve device is available to drill holes under water. The CIR Series DTH Hammer, an ideal drilling tool, is widely used in such industries relating to energy,transportation,metallurgy,building.

 

DTH hammer type

CIR76

CIR90

CIR110

CIR130

CIR150

Bit Shank:

CIR76

CIR90

CIR110

CIR110/CIR130

CIR150

Top Sub Thread:

F48x10PIN

F48x10PIN

API 23/8"   RGE BOX

API 23/8"   RGE BOX

F70x10PIN

Bit Diameter:

76(mm)

90-120(mm)

110-150(mm)

130-175(mm)

150-200(mm)

Working Pressure:

4-10(bar)

5-10(bar)

5-10(bar)

5-10(bar)

5-10(bar)

 

CIR Series


CIR Bit-2

 

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CIR Series Low Air Pressure DTH Hammer


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