Tubeless Down The Hole Hammer For Shank IR3.5 Bits Dia. 90mm- 105mm
Tubeless Hammer Down The Hole Hammer 3 Inch Hammer Without Footvalve For Shank IR3.5
Products specifications:
| Shank | Fit IR DHD3.5 shank |
| Length (less bit) | 930mm |
| Outer diameter | 82mm |
| Top sub thread | API 3 1/2" REG pin |
| Weight (less bit) | 25kg (55lbs) |
| Hole range | 90mm-105mm |
| Working pressure | 10-25bar |
| Impact rate at 1.7 Mpa | 28Hz |
| Recommended rotation speed | 25-40r/min |
| Air consumption at 7-14 bar | 134-265CFM |
Our HD-A serises (without footvalve) DTH hammer specifications:
| DTH hammer type | HD35A | HD45A | HD55A | |
| Length(less bit) mm | 888 | 1011 | 1110 | |
| Weight(less bit) kg | 25kg (55lbs) | 39kg(86lbs) | 66kg(145lbs) | |
| External diameter mm | Φ82mm | Φ99 | Φ125 | |
| Bit shank | DHD3.5 | DHD340A | DHD350R | |
| Hole range(mm) | Φ90-110mm | Φ110-130mm | Φ135-165mm | |
| Connection thread | API 2 3/8" Reg. | API 2 3/8"Reg | API 2 3/8"Reg | |
| Working pressure | 1.0-1.5Mpa | 1.0-2.5Mpa | 1.0-2.5Mpa | |
| Impact rate at 1.5-1.7Mpa | 25Hz | 30Hz | 28Hz | |
| Recommended Rotation speed | 25-40r/min | 22-35r/min | 20-35r/min | |
| Air consumption | 1.0Mpa | 3.8m3/min | 6m3/min | 7m3/min |
| 1.8Mpa | 7.5m3/min | 10m3/min | 13-14m3/min | |
| 2.4Mpa | / | 15m3/min | 18-19m3/min | |
| DTH hammer type | HD65A | HD85A | HD120A | |
| Length(less bit) mm | 1238 | 1359 | 1880 | |
| Weight(less bit) kg | 105kg(231lbs) | 175kg(374lbs) | 474kg(1043lbs) | |
| External diameter mm | Φ146-148 | Φ185 | Φ275 | |
| Bit shank | DHD360 | DHD380 | DHD1120 | |
| Hole range(mm) | Φ155-1-190mm | 195mm-254mm | 305mm-445mm | |
| Connection thread | API 2 3/8"Reg | API 4 1/2"Reg | API 6 5/8"Reg | |
| Working pressure | 1.0-3.0Mpa | 1.0-3.0Mpa | 1.0-3.0Mpa | |
| Impact rate at 1.5-1.7Mpa | 25Hz | 22Hz | 20Hz | |
| Recommended Rotation speed | 20-30r/min | 15-25r/min | 15-25r/min | |
| Air consumption | 1.0Mpa | 9m3/min | 12m3/min | 28m3/min |
| 1.8Mpa | 18m3/min | 22m3/min | 50m3/min | |
| 2.4Mpa | 26m3/min | 28m3/min | 71m3/min | |
The information you may like to know before order:
SOLLROC Provide high efficiency and durable hammer all over the world.
1.Pre-sale service:
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3.After-sale services:
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1.Complete After-sales service,professional engineers available to service machinery at home or oversea.
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