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CIR70 CIR90 CIR110 Low Air Pressure DTH Drilling Button Bits

CIR70 CIR90 CIR110 Low Air Pressure DTH Drilling Button Bits

CIR70 CIR90 CIR110 Low Air Pressure DTH Drilling Button Bits


CIR series DTH hammer, a kind of valve-equipped Low Air Pressure hammer with 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.

It is mainly featured in:

1. The strong energy of single impact and the low engergy consumption in rock crushing.

2. The weight ratio of piston and bit almost reaches 1:1 to provide long effective acting time, which leads to the improved efficiency in rock crushing and the extended service life of the drilling tool.

3. A good performance in central air exhaust and cutting discharge, which reduces the repeated crushing of rock.

4. 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, etc...



CIR series Low Air Pressure DTH Drilling Button Bit:

CIR70 CIR90 CIR110 Low Air Pressure DTH Drilling Button Bit
 
Hammer ModelDiameterNo.*button dia. (mm)No.Weight
mminchgauge buttonsfront buttonsflushing holekg
CIR707635*Φ123*Φ1232.5
CIR90903 1/26*Φ144*Φ1233.3
10046*Φ145*Φ1234.2
CIR1101104 3/86*Φ145*Φ1436.2
1204 3/46*Φ146*Φ1337.2
1305 1/87*Φ146*Φ1438.2


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