API 4 1/2'' REG 8'' DHD380 DTH Hammer For Surface Mining
Brand Name:SOLLROC
Certification:SGS
Model Number:DHD380
Minimum Order Quantity:1
Delivery Time:22-28 working days
Payment Terms:T/T,
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Location:
Changsha Hunan China
Address:
No55. Jiucaiyuan road, Furong District, Changsha, Hunan,China
Supplier`s last login times:
within 21 hours
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Product Details
Lower Oil Consumption 8'' DHD380 DTH Hammer For Surface Mining
Product introduction:
DTH Hammer is one of key components for drilling equipment. They
are powered by compressed air medium and supply continuous impact
for bottom rocks with down-the-hole bit. They are widely used in
ore drilling, water well drilling, Geothermal drilling, foundation
drilling and oil drilling.
Based on our advanced design, latest manufacturing process and
mature experience, Sollroc provides the full range of (2"-18") DTH hammers. For superior quality, high performance and economic
operation, our hammers enjoy the great reputations from different
countries, such as Australia, France, South Africa, Chile, Mexico,
Russia, Kazakhstan and so on.
DHD380 DTH hammer overview:
| shank | DHD380 |
| Length(less bit) | 1492mm |
| External diameter | 180mm |
| Top sub thread | API 4 1/2'' REG |
| Weight(less bit) | 188kg |
| Hole range | 195mm-254mm |
| Working pressure | 1.0-2. 5Mpa(145-362.5psi) |
| Impact rate at 1.7Mpa | 20Hz |
| Recommended rotation speed | 20-45rpm |
Other size DTH hammer specification
| Model | Shank Type | Thread Connection | Rec. Hole Size | Out. Diameter | Working Pressure |
| (mm) | (mm) | (Mpa) | |||
| 3" Hammer | BR3 | API 2 3/8 Reg Pin | 90-110 | 82 | 0.7-1.5 |
| DHD3.5 | API 2 3/8 Reg Pin | 90-110 | 82 | 1.0-1.5 | |
| COP32 | API 2 3/8 Reg Pin | 90-110 | 82 | 1.0-1.5 | |
| IR3.5 | API 2 3/8 Reg Pin | 90-115 | 82 | 1.0-1.5 | |
| 4" Hammer | DHD340 | API 2 3/8 Reg Box | 110-135 | 99 | 1.0-2.5 |
| COP44 | API 2 3/8 Reg Pin | 110-135 | 99 | 1.0-2.5 | |
| QL40 | API 2 3/8 Reg Pin | 110-135 | 99 | 1.0-2.5 | |
| SD4 | API 2 3/8 Reg Pin | 110-135 | 99 | 1.0-2.5 | |
| HM4 | API 2 3/8 Reg Pin | 110-135 | 99 | 1.0-2.5 | |
| 5" Hammer | COP54 DHD350R | API 2 3/8 Reg Pin API 3 1/2 Reg Pin | 135-155 | 125 | 1.0-2.5 |
| HD55C DHD350Q | API 2 3/8 Reg Pin API 3 1/2 Reg Pin | 135-155 | 125 | 1.0-2.5 | |
| HM5 | API 2 3/8 Reg Pin API 3 1/2 Reg Pin | 135-155 | 125 | 1.0-2.5 | |
| SD5 | API 3 1/2 Reg Pin | 135-155 | 125 | 1.0-2.5 | |
| QL50 | API 2 3/8 Reg Pin API 3 1/2 Reg Pin | 135-155 | 125 | 1.0-2.5 | |
| 6" Hammer | COP64 DHD360 | API 3 1/2 Reg Pin | 155-190 | 142 | 1.0-2.5 |
| HM6 | API 3 1/2 Reg Pin | 155-203 | 146 | 1.3-2.5 | |
| SD6 | API 3 1/2 Reg Pin | 155-190 | 142 | 1.0-2.5 | |
| QL60 | API 3 1/2 Reg Pin | 155-190 | 142 | 1.3-2.5 | |
| 8" Hammer | COP84 DHD380 | API 3 1/2 Reg Pin | 195-254 | 180 | 1.5-2.5 |
| SD8 | API 4 1/2 Reg Pin | 195-254 | 180 | 1.5-3.0 | |
| QL80 | API 4 1/2 Reg Pin | 195-254 | 180 | 1.5-3.0 | |
| 10" Hammer | SD10 | API 4 1/2 Reg Pin API 6 5/8 Reg Pin | 254-311 | 226 | 2.0-3.5 |
| NUMA100 | API 6 5/8 Reg Pin | 254-311 | 226 | 2.0-3.5 | |
| 12" Hammer | DHD1120 | API 6 5/8 Reg Pin | 305-445 | 275 | 2.0-3.5 |
| SD12 | API 6 5/8 Reg Pin | 305-445 | 275 | 2.0-3.5 | |
| NUMA120 | API 6 5/8 Reg Pin | 305-445 | 275 | 2.0-3.5 | |
| NUMA125 | API 6 5/8 Reg Pin | 305-445 | 275 | 2.0-3.5 |
Product advantages:
1.Valveless air distribution. More reliable.
2.Simple design of the piston. Long life span.
3.More efficient energy transfer, faster drilling speed, lower air
and oil consumption.
4.Fewer internal parts, simple structure, less failure and easier
to maintain because all the parts are heat treated.
5. Easy to disassemble because the stop sub, the drive chuck and
the external cylinder are connected by multiple steps thread.
Application:
It is widely used in open pit mining, tunneling, quarrying, transportation construction,engineering, earth-rock excavation, water wells, pile foundation, and civil engineering project etc.
Structure picture:
Company information:
Sollroc is the professional DTH drill bits supplier! After many years experience we provide the worldwide customers ideal DTH drill bits. Optimized designs improve the drilling efficiency. And automatic production line ensure the quality stability of product. Strict requirements of heat-treatment guarantee durability of the bits.
Detailed photo:
API 4 1/2'' REG 8'' DHD380 DTH Hammer For Surface Mining
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