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Brand Name : ENYU DRILL
Model Number : CIR110
Certification : ISO9001: 2008, SGS
Place of Origin : Hunan, China
MOQ : 1 PCS
Price : Negotiable
Payment Terms : T/T
Supply Ability : 1000 PCS/ Month
Delivery Time : 10-30 days
Packaging Details : Wooden box
External diameter : 98 mm
Length (less bit) : 839mm
Usage : energy
color : yellow
Introduction :
CIR110 dth hammer is a sort of low air pressure hammer, equiped with foot valve, which has a single piston, a plate valve and a central exhaust structure.
The compressed air is used as the driving force.
In order to prevent dust pollution and get a better performance, some high pressure water may be added
into the air for wet rock drilling.
Technical Data:
| Length (less bit) | Weight(less bit) | External diameter | Bit shank | Hole range | Connection thread |
| 839mm | 32.00kg | ∅98mm | CIR110 | ∅110-∅135 | API 2 3/8" Reg Box |
| Working Pressure | Impact rate at 0.5 Mpa | Recommended rotation speed | Air consumption | ||
| 0.5Mpa | 0.7Mpa | ||||
| 0.5-0.7Mpa | 14HZ | 25-40r/min | 9.5m³/min | 11 m³/min | |
Feature:
1. The stronger energy of every single impact and the lower energy consumption in rock crushing
2. The wight ratio of piston and bit nearly reaches 1:1 to provide long effective acting time, leading 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 cuttings discharge, which can cut down the repeated crushing of rock
4. A check valve device is available to drill holes under water
Usage:
CIR110 dth hammer is widely used in energy, metallurgy, building, transportation etc.

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CIR 110 Down The Hole Hammer Bits Drilling Tools Low Air Pressure For Energy Industry Images |