Product name: CIR70 Low Air Pressure Down The Hole Drill Hammer For Borehole Drilling
Connection thread: F48*10 PIN
Working pressure(bar):4-10
Hole range(mm): 76
Outer diameter: 65
Weight(KGS): 13.5kg
With a full production chain in place, we guarantee a stable production lead-time, allowing you to plan and execute your projects efficiently. Our team of experienced senior technicians and long-year experienced workers ensures that each piece is crafted to perfection, meeting the highest industry standards.
Low air pressure down the hole hammer details:
KINGDRILLING Diamond Co., Ltd is specialized manufacturer and supplier of Rock Drilling Tools for Mining, Quarrying, Tunneling, Construction, Geological Exploration, Water-well Drilling, Oilfield & Gas Industries.
Rock drilling tools manufacturer KINGDRILLING DTH hammers are available in sizes from 2" to 33" for Down The Hole hammer bits are available in sizes from 2" to 48", CIR series DTH hammer, a kind of valve-equipped low air pressure hammer with a single piston, a plate valve and a central exhaust structure.
| Model | OD(mm) | Hole range(mm) | Length(mm) | Connection Thread | Working pressure (Bar) | Air Consumption (CFM) | Weight (KG) |
| MHCIR65 | 61 | 70 | 745 | F42*10PIN | 4~10 | 212~353 | 13 |
| MHCIR70 | 65 | 76 | 750 | F48*10PIN | 4~10 | 212~353 | 13.5 |
| MHCIR90 | 80 | 90~120 | 460 | F48*10PIN | 4~12 | 282~424 | 21 |
| MHCIR110 | 98 | 110~150 | 870 | PIN2-3/8"REG BOX | 6~12 | 282~424 | 33 |
| MHCIR130 | 112 | 130~175 | 890 | PIN2-3/8"REG BOX | 6~12 | 282~424 | 46 |
| MHCIR150 | 136 | 150~200 | 904 | F70*10BOX | 6~12 | 353~565 | 70 |
| MHCIR170 | 156 | 170~250 | 1030 | F100*28PIN | 8~14 | 424~635 | 96 |
| MHCIR200 | 182 | 200~250 | 1058 | F100*28PIN | 8~14 | 565~706 | 130 |
How to order?
Shank Type + Top Sub Thread + (With/Without Valve, if this parameter is optional)
FAQ:
1. How to order the products?
A: Please send the inquiry with detail item description or with Model number.
2. How to control quality?
A: We have our own experienced QC team,there will be strict inspection and testing for each order before shipping out.
3. What is the general delivery time?
15 working days for DTH bits.
20-25 working days for DTH hammer
3-5 working days for ex stock items.
4. How to choose the suitable Pneumatic DTH hammer?
Hole Size:
Selecting the one whose outside diameter is closest to the hole diameter will be in your best interest. As a result, there will be less hole collapse and easier hole cleaning.
Air Consumption:
It is important to take into account the compressed air usage when using the pneumatic DTH hammer. Generally speaking, peak performance necessitates lower pressure and more compressed gas consumption as the hammer size increases. Please refer to the attachment to ensure that each hammer is used with the appropriate amount of pressure and compressed air.
Drill rig Capacity:
The drilling rig must supply more torque and promoting force to accommodate the larger bit and hammer, but it must not go above the drill's maximum load. As for the other questions about drill ability, please consult your sales representative.
5. Is top hammer drilling vs down-the-hole drilling?
The primary difference between the top hammer and down-the-hole drilling methods is where the hammer is attached. The hammer in the industrial equipment makes contact with the bit during the down-the-hole drilling method. The top hammer drilling method's activity is concentrated at the very top of the drill string.
More information:
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