| Model | DH35 |
| Length mm | 930 |
| Weighth kg | 25 |
| External diameter mm | Φ82 |
| Bit Shank | DHD3.5 IR3.5 |
| Hole range mm | Φ90-Φ110 |
| Connection Thread | API 2 3/8" Reg |
| Working Pressure Bar | 7-25bar |
| Impact rate at 17 bar Hz | 28 |
| Speed Recommended rpm | 30-70 |
| Pull force recommended kN | 6 |
Products features:Valveless air distribution hammer,more reliable of air distribution.Good seal ability,no water and cuttings entering into hammer in water exists drilling.
Rang of application:Available for all working conditions,high performance in overburden and water well drilling project.
Type of DTH hammer:Classifying by hammers cutting blowing up way:Conventional DTH hammer & Reverse Circulation DTH hammer (RC hammer). Classifying by hammers air distribution and structure characteristics:Hammers with valve &Hammers without valve, Classifying by hammers rated working pressure:Low air pressure DTH hammer(rated working pressure ≤0.7Mpa), Mid-Low air pressure DTH hammer(0.7Mpa2.5Mpa) Classifying by the assorted bit which with or without foot valve:DTH hammers available for assorted bit which with foot valve &without foot valve. Classifying by hammers outer diameter: 1 inch.2 inch.3 inch.4 inch.5 inch.5.5 inch.6 inch.7 inch,8 inch,9 inch,10 inch,12 inch,15 inch,24 inch,etc.
DTH hammer application:DTH hammers are widely used in geology exploration, civil construction project,water well drilling and construction foundation project.
