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High Air Pressure Reverse Circulation DTH Hammer with 4.5inch Hammer Size and 113mm-130mm Hole Range

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High Air Pressure Reverse Circulation DTH Hammer with 4.5inch Hammer Size and 113mm-130mm Hole Range

Product Description

Reverse circulation drilling is similar to air core drilling as the samples that are drilled up from the earth are not simply placed onto the surface surrounding the machine but the samples are instead shot up into the hollow pipe of the machine. This is one of the biggest benefits of the reverse circulation drilling procedure because it prevents the samples from being contaminated from other materials that it might come into contact with once it has been removed from the earth.

Advantages

1. Although the process can be costly the overall drilling costs can actually be reduced by up to 40% when using reverse circulation drilling.

2. Results from reverse circulation drilling can be revealed much faster as the completion of the drilling process is done quickly.

3. The method is safe to use and requires fewer man hours.

4. Reverse circulation drilling requires less water than other mining methods.

5. Reverse circulation drilling is simple and easy.

6. Samples can be easily arranged into boxes stating where the sample was collected and at what depth the sample was collected which will help those studying the samples to pinpoint exactly where the mineral deposit is located. This will help a mining company or a group of researchers to quickly and easily locate the exact area and depth from which the sample was discovered.


Technical Parameters

Length (less bit)

Weight
(less bit)


External diamater

Bit shank

Hole range

Connection thread

1191mm

57.0kg

109.5mm

SRC542

113-130

3.5''/4''Remet
4''Metzke

Working Pressure


Impact rate at 2.4Mpa

Recommended rotation speed

Air consumption


1.5-3.5Mpa


35HZ


25-40r/min
1.7Mpa
2.4Mpa
3.0Mpa

12m³/min
18 m³/min

26 m³/min
Packing & Delivery

Ply-wooden cases

Ply-wooden cases + Pallet

Delivery

By air, By sea or by Express

Quality High Air Pressure Reverse Circulation DTH Hammer with 4.5inch Hammer Size and 113mm-130mm Hole Range for sale
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