3.0/5 Mining Piston Air Compressor

Short Description:

This heavy-duty piston air compressor, also known as reciprocating air compressor, is specially engineered for mining and rock drilling operations. Powered by crankshaft and reciprocating pistons, it steadily generates stable high-pressure compressed air to drive jackhammers, rock drills and other pneumatic tools.
Built with sturdy metal components, it features strong pressure resistance, outstanding durability and stable performance even in harsh underground mining environments. It runs reliably for long hours, requires simple maintenance and low operating costs.
Available in multiple specifications, this air compressor perfectly matches various jackhammers and rock drilling equipment. It is the essential and cost-effective pneumatic power source for mine excavation, rock breaking and on-site construction work.

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Product Detail

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W3.0/5 AIR COMPRESSORS

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W3.0/5 AIR COMPRESSORS

The W3.0/5 piston air compressor is a heavy-duty, single-stage, air-cooled reciprocating compressor engineered exclusively for mining, rock drilling, and jack hammer operations. It delivers 3.0 m³/min (105 cfm) airflow at a stable 5 bar (0.5 MPa) pressure, perfectly matching the air demand of pneumatic tools like jackhammers, rock drills, and paving breakers in underground mines, quarries, and construction sites. Powered by a 22HP (15kW) diesel engine with self-starter, it ensures reliable operation in remote, power-free mining areas.

Key Specifications

Model: W3.0/5 (W-3.0/5)
Airflow: 3.0 m³/min
Working Pressure: 5 bar (0.5 MPa)
Power: 22HP (15kW) diesel engine, self-start
Cooling: Air cooling (ideal for dusty mining environments)
Cylinders: 3 × Φ125mm, balanced opposed arrangement
Tank Capacity: 200L–220L
Dimension: 1800×900×1300mm
Weight: 370kg–405kg
Structure: Portable, wheel-mounted for easy on-site movement

Quality

Item	Unit	W1.8/5	W2.85/5	W3.0/5	W3.5/5	W3.2/7	2V4.0/5	SF4.0/5
Free Air Delivery (FAD)	m³/min	1.8	2.8	3	3.5	3.2	4	4
Working Pressure	MPa	0.5	0.5	0.5	0.5	0.7	0.5	0.5
Crankshaft Speed	r/min	1180	1070	1070	1070	970	970	970
Cylinder Quantity × Bore	Z×mm	3×100	3×115	3×120	3×125	3×125	4×120	4×120
Piston Stroke	mm	80	100	100	100	110	100	100
Matched Power	-	S1100 Diesel Engine or 11kW 2-Pole Electric Motor	S1100 Diesel Engine or 15kW 2-Pole Electric Motor	S1115 Diesel Engine or 18.5kW 2-Pole Electric Motor	S1125 Diesel Engine or 18.5kW 2-Pole Electric Motor	S1125 Diesel Engine or 18.5kW 2-Pole Electric Motor	L32 Diesel Engine or 18.5kW 2-Pole Electric Motor	L32 Diesel Engine or 18.5kW 2-Pole Electric Motor
Pressure Control Mode	-	Automatic Exhaust	Automatic Exhaust	Automatic Exhaust	Automatic Exhaust	Automatic Exhaust	Intake Shut-Off	Intake Shut-Off
Lubrication Method	-	Splash Lubrication	Splash Lubrication	Splash Lubrication	Splash Lubrication	Splash Lubrication	Splash Lubrication	Splash Lubrication
Cooling Method	-	Air Cooling	Air Cooling	Air Cooling	Air Cooling	Air Cooling	Air Cooling	Air Cooling
Transmission Mode	-	Clutch + V-Belt	Clutch + V-Belt	Clutch + V-Belt	Clutch + V-Belt	Clutch + V-Belt	Clutch + V-Belt	Clutch + V-Belt
Overall Dimension (L×W×H)	mm	1630×750×1150	1750×940×1290	1750×940×1290	1750×940×1290	1920×690×1350	1900×1070×1260	1900×930×1235
Net Weight (Without Power Unit)	kg	150	215	215	220	285	340	265

Features & Benefits for Mining

Mining-Grade Durability: Boron cast iron cylinders resist wear and dust; IP54 dustproof design withstands harsh underground conditions.
Stable Air Supply: Consistent 5 bar pressure prevents jackhammer stalling, ensuring smooth rock breaking and drilling.
Portable & Flexible: Compact, wheeled frame allows quick relocation between mining faces; diesel power eliminates reliance on electricity.
Low Maintenance: Simple piston-crankshaft design with easily replaceable parts; Swedish steel valve plates for long service life.
Cost-Effective: Low fuel consumption, minimal upkeep, and long lifespan reduce total ownership cost for mining operations.

Applications

Mining: Underground excavation, rock drilling, ore breaking with jackhammers/rock drills.
Quarries: Stone cutting, primary/secondary rock breaking.
Construction: Road repair, concrete breaking, foundation work with pneumatic tools.
Remote Sites: Off-grid mining and construction where electric power is unavailable.

Application Areas

This W3.0/5 reciprocating piston air compressor is specially designed to supply compressed air for pneumatic tools. It is widely used in underground mining, open-pit quarries and stone yards, perfectly matching jackhammers, rock drills and rock breakers for rock excavation, ore mining and stone splitting.

It also fits road construction, municipal engineering and tunnel projects, supporting concrete breaking, ground renovation and trench digging. Thanks to diesel drive and wheeled design, it is the ideal air power equipment for field operations without stable power supply.

Working Conditions

Ambient temperature: -10℃ ~ +45℃, adaptable to outdoor high temperature and low temperature environments.
Working environment: Suitable for dusty mining, quarry and construction sites; dustproof structure ensures stable operation.
Working pressure: Rated 5 bar, continuous stable air output of 3.0 m³/min for long-time non-stop work.
Power supply: Diesel driven, no need for external electric power, applicable to remote and off-grid sites.
Operation mode: Intermittent or continuous operation, meets all-day field work demands.

Product Detail Images

Core Structure & Operational Stability

The heavy-duty piston air compressor adopts a professional reciprocating piston structure, featuring an integrated crankshaft and high-precision cylinder assembly for stable air compression performance. Designed as a positive displacement air compressor, it efficiently completes air intake, compression, and exhaust cycles with low operation vibration and stable air output. The whole machine adopts thickened cast iron materials, with wear-resistant piston rings and durable valve plates that greatly extend the service life. This robust structural design enables the industrial piston air compressor to maintain continuous and stable operation in long-hour working scenarios, effectively avoiding pressure fluctuation and ensuring consistent pneumatic power supply for various pneumatic tools.

Harsh Environment Adaptability & Mining Application Performance

Built for tough industrial and mining scenarios, this reciprocating air compressor boasts excellent environmental adaptability, perfectly suited for mining, rock drilling, quarrying, and outdoor construction work. Equipped with an efficient air cooling system and professional dustproof structure, the piston air compressor resists dust, high temperature, and variable outdoor weather conditions. It can steadily drive jackhammers, rock drills, and pneumatic breakers in dusty mine sites and remote construction areas. With reliable low-failure performance, this mining air compressor supports intermittent and long-time continuous operation, fully meeting the high-intensity air supply demands of field engineering operations.

Energy Saving & Low Maintenance Advantages

This industrial piston air compressor is optimized with energy-saving compression technology, realizing high air displacement with low energy consumption, bringing excellent cost performance for industrial users. Different from complex screw compressors, the reciprocating air compressor features a simple and mature mechanical structure with fewer vulnerable parts and a highly accessible maintenance design. Daily maintenance such as oil replacement and parts inspection can be completed quickly without professional skills. The durable configuration reduces long-term operating costs and downtime. It is an ideal cost-effective air compressor for small and medium factories, mining sites, and construction engineering projects worldwide.

Portable Design & Wide Application Versatility

Designed with a flexible mobile structure, the portable piston air compressor is equipped with sturdy walking wheels and a stable frame, enabling convenient movement and on-site layout in complex working environments. It supports customized pressure and air volume configurations, covering multiple working demands from mining rock breaking to municipal construction and mechanical equipment pneumatic supply. Whether for off-grid field operations or fixed workshop air supply, this reciprocating piston air compressor delivers stable and efficient compressed air output. Its strong versatility, easy operation, and high safety make it a mainstream pneumatic equipment widely recognized in the global industrial and mining industry.

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Delivery for :

Express delivery

For the Goods' Value lower than USD1000 Like 1set or 2 set. We need send it to you by Express.Please tell us your city and postcode for the courier cost.

Time

Delivery by sea: After it was delivered to the seaport . We will tell you the shipping time and arrival time .

Sea Freight

For the Goods' Value more than USD 1000.Like ≥3 set. We could send it to you by sea. Please tell us your seaport for the Freight cost,In addition, we can also help you consult the shipping price

Air Freight

Delivery by Express to your door (DHL/TNT/Fedex/UPS etc ) or by air to your city airport . We will tell you the Express tracking number .

Freight Forwarding

If you have shipping agent in china. please let your agent contact us.

Services

Deliver it to the warehouse which you have requested . We will tell you logistic or express tracking number .

FAQ：

1. : Are you factory or trade company?
A: We are factory. And we have ourselves trading company.2: Warranty terms of your machine?
A: 3 months for the core components and technical support according to your needs.3: Will you provide some spare parts of the machines?
A: Yes, we have most of the spare parts in stock.

4: Which payment term can you accept?
A: 30% T/T in advanced, 70% T/T before the delivery.

5: Can you accept OEM orders?
A: Yes, we have high specialized and rich experienced team, OEM orders are highly welcome.

6: Which trade term can you accept?
A: FOB, CIF, CFR, EXW, CPT, etc.

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We are one of the famous rock drilling jack hammer manufacturers in China, specializing in the production of rock drilling tools with exquisite workmanship and superior materials, manufactured in strict accordance with industrial quality standards and CE, ISO9001 quality management system certification. These drilling machines are easy to install, operate and maintain. The drilling machines are reasonably priced and easy to use. The rock drill is designed to be sturdy and durable, not easily damaged, with a full range of rock drill accessories

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