Reverse circulation drilling, or RC drilling, is a form of percussion drilling that uses compressed air to flush material cuttings out of the drill hole in a safe and efficient manner.
SQ200 RC full hydraulic crawler RC drilling rig is used by mud positive circulation, DTH-hammer, air lift reverse circulation, Mud DTH-hammer suit with suitable tools.
Main Features
1. Adopted special engineering track chassis;
2. Equipped with Cummins engine
3. Four hydraulic leg cylinders equipped with hydraulic lock to prevent leg retraction;
4. Equipped with mechanical arm is for grab the drill pipe and connect it to the power head;
5. Designed control table and remote control;
6. Double hydraulic clamp max diameter 202mm;
7. Cyclone is used for screening rock powder and samples
| Description | Specification | Data |
| Drilling Depth | 200-300m | |
| Drilling Diameter | 120-216mm | |
| Drilling tower | Drill tower load | 20Ton |
| Drill tower height | 7M | |
| working angle | 45°/ 90° | |
| Pull up-Pull down cylinder | Pull down force | 7 ton |
| Pull up force | 15T | |
| Cummins diesel Engine | Power | 132kw/1800rpm |
| Rotary head | Torque | 6500NM |
| Rotating speed | 0-90 RPM | |
| Clamping diameter | 202MM | |
| Cyclone | Screening rock powder and samples | |
| Dimensions | 7500mm×2300MM×3750MM | |
| Total weight | 11000kg | |
| Air compressor (as optional) | Pressure | 2.4Mpa |
| Flow | 29m³/min, | |
Q1: Are you a manufacturer, trading company or a third party?
A1: We are a manufacturer. Our factory is located in Hebei Province near the capital Beijing, 100km away from Tianjin port. We also have our own trading company.
Q2: Wonder if you accept small orders?
A2: Do not worry. Feel free to contact us. In order to get more orders and give our clients more convenience, we accept small orders.
Q3: Can you send products to my country?
A3: Sure, we can. If you do not have your own ship forwarder, we can help you.
Q4: Can you do OEM for me?
A4: We accept all OEM orders, just contact us and give me your design. We will offer you a reasonable price and make samples for you ASAP.
Q5: What's your payment terms?
A5: By T/T, L/C AT SIGHT, 30% deposit in advance, balance 70% before shipment.
Q6: How can I place the order?
A6: First sign the PI, pay deposit, then we will arrange the production. After finished production you need to pay the balance. Finally we will ship the goods.
Q7: When can I get the quotation?
A7: We usually quote you within 24 hours after we get your inquiry. If you are very urgent to get the quotation, please call us or tell us in your mail, so that we could regard your inquiry priority.
Q8: Is your price competitive?
A8: Only good quality product we supply. Surely we will give you the best factory price based on superior product and service.














