Changsha ENYU Engineering Equipments Co. Ltd.
Changsha ENYU Engineering Equipments Co. Ltd.
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Water Well Drilling DTH Hammers And Bits DHD340 / COP44 With Golden Color
DHD340/COP44 down-the-hole drills are reliable drilling workhorses that stand up to the most demanding conditions you can find. A valveless air cycle provides consistent drilling performance and reliability foot after foot and year after year. Some models are available with integrated jetted backheads as well as bit retainer systems for deep-hole drilling applications.
Technical Data:
| Length (less bit) | Weight(less bit) | External diameter | Bit shank | Hole range | Connection thread | ||
| 1030mm | 39.00kg | ∅99mm | Cop44 DHD340 | ∅110-∅135 | API 2 3/8"Reg | ||
| Working Pressure | Impact rate at 0.5 Mpa | Recommended rotation speed | Air consumption | ||||
| 0.7Mpa | 1.0Mpa | 1.4Mpa | |||||
| 1.0-2.5Mpa | 27HZ | 25-40r/min | 6 m³/min | 10m³/min | 15 m³/min | ||
Main Features
1. Price commitment: in order to ensure the high reliability of products, raw material selection are using grapefruit brand products; under the same competitive conditions, and not to reduce product technical performance on the basis of sincerity at a favorable price to customers.
2. Quality commitment: product manufacturing and testing have quality records and inspection data; the performance of the product can withstand customer inspection.
3. Customer service: in order to create new diamond brand, enhance the visibility of enterprises,establish corporate image, we serve customers with the principle of "preferential prices, good service, reliable product quality" principle.
Application
It is mainly used in geological exploration, coal mine, water conservancy and hydropower, highway, railway, bridge, construction and so on.
