SC80-WELL DTH Hammer No Footvalve Type
Product Description
SC80-WELL DTH hammer is SOLLROC new generation Series special for water well drilling. It is proven by testing and using in many job sites for varies rock conditions. It is excellent penetration rate and sealing ability to prevent cuttings and water especailly for water well drilling.
1. More 10-20% penetration rate.
2. Good performance in hard rock.
3, Varias shanks are available: DHD380, M80 or QL80.
4, Fewer internal parts minimize the maintain and replace the part requirements.
Model | SC80-WELL |
Bit shank | DHD380 without footvalve |
Top sub thread | API 3 1/2" REG / API 4 1/2" REG |
Length (less bit) | 1387mm (54.61 in) |
External diameter | 185mm (7.28 in) |
Weight (less bit) | 190kg (422lbs) |
Impact rate at 17 bar | 24HZ |
Hole range | 195mm-254mm (7.68in - 10 in) |
Working pressure | 10-25 bar (145 - 363 PSI) |
Speed recommended | 20-45 rpm |
Pull force recommended | 17 KN |
Dia. | Button configuration Qty*dia. | Bit design | Weight(kg) | Part number | ||
Metric | Inch | Guage button | Front button | |||
203mm | 8" | Ф18mm*10 | Ф18mm*10,Ф16mm*6 | Concave face | 47.0 | SC80-WELL-203CC |
216mm | 8 1/2" | Ф18mm*10 | Ф18mm*10,Ф16mm*6 | Concave face | 51.2 | SC80-WELL-216CC |
219mm | 8 5/8" | Ф18mm*10 | Ф18mm*10,Ф16mm*6 | Concave face | 51.7 | SC80-WELL-219CC |
229mm | 9" | Ф18mm*12 | Ф18mm*12,Ф16mm*7 | Concave face | 53.3 | SC80-WELL-229CC |
235mm | 9 1/4" | Ф18mm*12 | Ф18mm*12,Ф16mm*8 | Concave face | 54.3 | SC80-WELL-235CC |
245mm | 9 5/8" | Ф19mm*12 | Ф19mm*12,Ф16mm*14 | Concave face | 58.4 | SC80-WELL-245CC |