KYLC-31-25CY diesel portable screw air compressor delivers 31m³/min air flow at 25 bar pressure. Designed for deep water well drilling, mining blast hole drilling, DTH rigs, quarry operations, and geothermal projects. Available with Xichai, Yuchai, or Cummins engines. OEM factory direct
| KYLC-31-25CY | |||
| Diesel engine manufacturer | Xichai | Yuchai | Cummins |
| Type | Screw type, two-stage compression, oil-cooled | Screw type, two-stage compression, oil-cooled | Screw type, two-stage compression, oil-cooled |
| Displacement volume (m³/min) | 31 | 31 | 31 |
| Exhaust pressure (bar) | 25 | 25 | 25 |
| Driving method | Driven by diesel engine | Driven by diesel engine | Driven by diesel engine |
| Oil and gas tank capacity (L) | 220 | 220 | 220 |
| Lubricating oil quantity (L) | 120 | 120 | 120 |
| Air filter | Fleetguard | Fleetguard | Fleetguard |
| Compressor head | Bosi | Bosi | Bosi |
| Diesel engine | |||
| Manufacturer | Xichai | Yuchai | Cummins |
| Model | CA6DM2-42GAG31-YM10 | YC6MK400-H300 | QSL8.9-C360-31 |
| Rated speed (full load/no load) (rpm) | 2000/1900/1450 | 2000/1900/1500 | 2200/1800/1450 |
| Rated power (kW) | 309 | 295 | 294 |
| Number of cylinders / Bore diameter / Stroke | 6X123X155 | 6X123X145 | 6X118X145 |
| Displacement (L) | 11.05 | 10.38 | 8.9 |
| Cooler fluid capacity (L) | 65.8 | 60 | 65.8 |
| Engine oil capacity (L) | 28 | 28 | 28 |
| Fuel tank capacity (L) | 470 | 400 | 450 |
| Air filter | Fleetguard | Fleetguard | Fleetguard |
| Oil filter | P165705 | P165705 | P165705 |
| Battery | 6-QW-200 | 6QW-200MF | 6QW-220MF |
| Coupling | High Elasticity | High Elasticity | High Elasticity |
| Travel speed (km/h) | 0-20 | 0-20 | 0-20 |
| Dimensions and weight | |||
| Length (mm) | 3708(3500) | 3708(3500) | 3708(3500) |
| Width (mm) | 1980 | 1980 | 1980 |
| Height (mm) | 2724(2406) | 2724(2460) | 2724(2460) |
| Static weight (kg) | 4500 | 4200 | 4500 |
| Outlet exhaust valve | G2"x1&G11/2"x1 | G2"x1&G11/2"x1 | G2"x1&G11/2"x1 |
| Quotation | |||
| Recommended number of units to be loaded in a 40HC/HQ high - cube container | 3 | 3 | 3 |
| Optional Features | Top-Mounted Desert Air Filter | ||
| Diesel Engine Water-Circulation Heating System | |||
| Remote Control System | |||
1. Deep Water Well Drilling (200–600m+)
The KYLC-31-25CY is widely used in deep borehole drilling projects for agriculture, municipal water supply, and industrial water extraction, where high pressure is required for deep formation penetration.
2. Mining Blast Hole Drilling
Ideal for large-scale mining operations requiring 5–8 inch DTH hammers for blast hole drilling in iron ore, gold, copper, limestone, and coal mines.
3. Quarry and Open-Pit Mining
Used in large quarry operations for drilling blasting holes in granite, basalt, marble, and aggregate production.
4. Geothermal and Exploration Drilling
Suitable for geothermal energy projects and geological exploration requiring high-pressure compressed air for deep and stable drilling performance.
5. Infrastructure Foundation Engineering
Supports anchoring, slope stabilization, micropile drilling, and large-scale civil engineering foundation works.
1. Ultra-High Airflow for Large-Scale Drilling Operations
With 31m³/min air capacity, the KYLC-31-25CY is capable of supporting large diameter drilling rigs and high-demand DTH systems, ensuring fast penetration and efficient cuttings removal in deep drilling projects.
2. High Pressure 25 Bar for Deep Hole and DTH Drilling
The 25 bar working pressure provides the necessary force for deep water well drilling and mining blast hole drilling, ensuring optimal hammer performance even in hard rock formations.
3. Advanced Two-Stage Compression System
The two-stage screw compression design significantly improves efficiency, reduces discharge temperature, and increases the lifespan of core components, making it ideal for continuous heavy-duty operation.
4. Multiple Engine Options for Global Markets
Customers can choose from Xichai, Yuchai, or Cummins engines depending on local service availability, emission standards, and project requirements, ensuring flexibility for global deployment.
5. Heavy-Duty Design for Extreme Mining Conditions
With a reinforced frame, industrial-grade filtration system, and high-capacity cooling system, the compressor is built to perform reliably in hot, dusty, and remote mining environments.
Q1: What size drilling rigs can this compressor support?
The KYLC-31-25CY is suitable for large crawler-mounted DTH drilling rigs used in mining, water well drilling, and blast hole drilling applications.
Q2: How deep can it support water well drilling?
Depending on drilling rig configuration and geological conditions, it is commonly used for deep wells ranging from 300 to 600+ meters.
Q3: Which DTH hammer sizes are compatible?
It supports 5-inch, 6-inch, and 8-inch DTH hammers used in mining and deep drilling operations.
Q4: Can I choose different diesel engines?
Yes. We offer Xichai, Yuchai, and Cummins engine options to meet different market requirements and service availability.
Q5: Is this suitable for African and South American mining markets?
Yes. It is specifically designed for harsh mining environments in Africa, South America, the Middle East, and Central Asia.
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