Specifications
| Variant | Price | Noise Level | Tank Capacity | Air Flow (LPM) | Model No. | Piston Displacement CFM | Motor Power | Weight Approx |
|---|---|---|---|---|---|---|---|---|
| 0.75 HP 8L | ₹11,800.00 | ≤ 60 dB | 8 Litres | 110 L/min | GA550-8L | 2.25 CFM | 0.75 HP | 16-17 Kgs |
| Compact 0.75 HP oil-free air compressor with an 8L tank and 110 L/min air flow. Ideal for single dental chairs and small clinics requiring silent, clean air. | ||||||||
| 0.75 HP 18L | ₹13,800.00 | ≤ 60 dB | 18 Litres | 110 L/min | GA550-18L | 2.25 CFM | 0.75 HP | 20-22 Kgs |
| Reliable 0.75 HP silent air compressor featuring an 18L tank. Perfect for light-duty medical and laboratory applications needing 110 L/min oil-free air. | ||||||||
| 1 HP 8L | ₹14,300.00 | ≤ 60 dB | 8 Litres | 135 L/min | GA750-8L | 3 CFM | 1 HP | 17-20 Kgs |
| Space-saving 1 HP oil-free air compressor delivering 135 L/min air flow with an 8L tank. Great for compact spaces needing higher air delivery. | ||||||||
| 0.75 HP 25L | ₹14,600.00 | ≤ 60 dB | 25 Litres | 110 L/min | GA550-25L | 2.25 CFM | 0.75 HP | 22-24 Kgs |
| Efficient 0.75 HP oil-free compressor with a 25L tank capacity. Provides a larger air buffer for clinics and workshops requiring 110 L/min clean air. | ||||||||
| 1HP 18L | ₹15,500.00 | ≤ 60 dB | 18 Litres | 135 L/min | GA750-18L | 3 CFM | 1 HP | 23-25 Kgs |
| Versatile 1 HP silent compressor with an 18L tank and 135 L/min output. Suitable for moderate continuous use in dental and healthcare facilities. | ||||||||
| 1 HP 30L | ₹16,500.00 | ≤ 60 dB | 30 Litres | 135 L/min | GA750-30L | 3 CFM | 1 HP | 26-28 Kgs |
| Robust 1 HP oil-free compressor featuring a 30L tank. Ensures steady pressure and 135 L/min air flow for precision instruments and labs. | ||||||||
| 1 HP 50L | ₹16,800.00 | ≤ 60 dB | 50 Litres | 135 L/min | GA750-50L | 3 CFM | 1 HP | 30-32 Kgs |
| High-capacity 1 HP silent air compressor with a 50L tank. Ideal for users needing a substantial air reserve and 135 L/min clean air delivery. | ||||||||
| 1.5 HP 50L | ₹22,300.00 | ≤ 70 dB | 50 Litres | 200 L/min | GA1100-50L | 4.5 CFM | 1.5 HP | 45-50 Kgs |
| Powerful 1.5 HP oil-free compressor delivering 200 L/min air flow with a 50L tank. Perfect for medium-duty industrial and medical applications. | ||||||||
| 2 HP 30L | ₹23,500.00 | ≤ 70 dB | 30 Litres | 220 L/min | GA1500-30L | 6 CFM | 2 HP | 35-40 Kgs |
| High-performance 2 HP silent compressor with a compact 30L tank. Provides an impressive 220 L/min air flow for space-constrained environments. | ||||||||
| 2 HP 50L | ₹27,000.00 | ≤ 70 dB | 50 Litres | 240 L/min | GA750-2-50L | 6 CFM | 2 HP | 53-55 Kgs |
| Heavy-duty 2 HP oil-free air compressor featuring a 50L tank and 240 L/min output. Ideal for multiple dental chairs and busy workshops. | ||||||||
| 3 HP 70L | ₹38,500.00 | ≤ 70 dB | 70 Litres | 400 L/min | GA750-3-70L | 9 CFM | 3 HP | 55-60 Kgs |
| Industrial-grade 3 HP silent compressor with a 70L tank. Delivers a powerful 400 L/min air flow for sustained operations and manufacturing. | ||||||||
| 3 HP 90L | ₹46,200.00 | ≤ 70 dB | 90 Litres | 400 L/min | GA750-3-90L | 9 CFM | 3 HP | 70-75 Kgs |
| High-demand 3 HP oil-free compressor with a massive 90L tank. Ensures continuous workflows with 400 L/min clean air delivery. | ||||||||
| 4 HP 90L | ₹50,300.00 | ≤ 70 dB | 90 Litres | 480 L/min | GA1500-2-90L | 12 CFM | 4 HP | 80-85 Kgs |
| Large-scale 4 HP silent air compressor featuring a 90L tank and 480 L/min output. Perfect for supporting multiple pneumatic tools reliably. | ||||||||
| 4.5 HP 120L | ₹66,600.00 | ≤ 70 dB | 120 Litres | 600 L/min | GA1100-3-120L | 13 CFM | 4.5 HP | 110-115 Kgs |
| Intensive-use 4.5 HP oil-free compressor with a 120L tank. Provides a high capacity of 600 L/min for demanding industrial applications. | ||||||||
| 6 HP 150L | ₹81,000.00 | ≤ 70 dB | 150 Litres | 710 L/min | GA1500-3-150L | 18 CFM | 6 HP | 120-130 Kgs |
| Ultimate 6 HP silent air compressor with a 150L tank. Delivers an impressive 710 L/min air flow for large hospitals and manufacturing plants. | ||||||||
Cost & Performance Value
Maintenance & Durability
Ideal Industrial Applications
Operational Efficiency & Safety
Advanced Oil-Free Technology
Frequently Asked Questions
Q.What is the Diamond Oil Free Air Compressor used for?
It is designed to deliver 100% clean, oil-free compressed air, making it ideal for dental clinics, hospitals, pharmaceutical industries, food processing, and precision manufacturing where air purity is critical.
Q.What are the key benefits of an oil-free air compressor?
Oil-free compressors eliminate the risk of oil contamination in the air supply, require less maintenance since there are no oil changes, and are more environmentally friendly. They also operate with lower noise levels.
Q.What is the maximum working pressure of the Diamond Oil Free Air Compressor?
All models in this series operate at a maximum working pressure of 8 Bar (116 PSI), providing consistent and reliable power for various applications.
Q.Is the Diamond Oil Free Air Compressor noisy?
No, these compressors are designed as 'Silent Type' units. Depending on the model, the noise level ranges from ≤ 60 dB for smaller units to ≤ 70 dB for larger units, making them suitable for indoor environments like clinics and labs.
Q.What power supply is required to operate these compressors?
These compressors operate on a standard Single Phase, 220–240 V power supply, making them easy to plug into regular electrical outlets.
Q.Does the compressor come with thermal overload protection?
Yes, the motor design includes thermal overload protection to ensure safety and prevent damage during continuous or heavy operation.
Q.What is the maintenance requirement for this compressor?
The low-maintenance design eliminates the need for frequent oil changes. Routine checks on air filters and draining the moisture from the tank are the primary maintenance tasks required.
Q.Can this compressor be used for painting and spray coating?
Yes, the clean, oil-free air is excellent for painting and spray coating, as it prevents oil droplets from ruining the finish.
Q.Is the tank rust-resistant?
The tanks are built with durable materials and designed to minimize rust, especially when moisture is drained regularly, ensuring a long service life.
Q.Does the price include GST and delivery?
When you buy online through Gearo, you receive a GST invoice for input tax credit, and we offer pan-India delivery for all industrial equipment.
Q.Who should choose the 0.75 HP 8L variant?
The 0.75 HP 8L variant is perfect for single dental chairs, small laboratories, or light-duty applications requiring a compact footprint and 110 L/min air flow.
Q.Who should choose the 0.75 HP 18L variant?
The 0.75 HP 18L model offers the same 110 L/min air flow but with a larger 18-litre tank, reducing the frequency of motor cycles for slightly higher demand tasks.
Q.Who should choose the 0.75 HP 25L variant?
Choose the 0.75 HP 25L variant if you need a larger buffer of compressed air (25 litres) while maintaining the low power consumption of a 0.75 HP motor.
Q.Who should choose the 1 HP 8L variant?
The 1 HP 8L variant is ideal for users who need a higher air flow of 135 L/min but have limited space, making the compact 8-litre tank highly suitable.
Q.Who should choose the 1 HP 18L variant?
The 1 HP 18L model balances a higher 135 L/min air delivery with an 18-litre tank, suitable for clinics or workshops with moderate, continuous air requirements.
Q.Who should choose the 1 HP 30L variant?
Select the 1 HP 30L variant for applications that benefit from a larger 30-litre air reserve, ensuring steady pressure for tools requiring 135 L/min air flow.
Q.Who should choose the 1 HP 50L variant?
The 1 HP 50L variant is best for users needing a substantial 50-litre air capacity to minimize motor run time while delivering 135 L/min of clean air.
Q.Who should choose the 1.5 HP 50L variant?
The 1.5 HP 50L model is designed for medium-duty industrial or medical use, providing a robust 200 L/min air flow and a 50-litre tank for consistent performance.
Q.Who should choose the 2 HP 30L variant?
Choose the 2 HP 30L variant if you require a high air flow of 220 L/min but prefer a more compact 30-litre tank for space-constrained environments.
Q.Who should choose the 2 HP 50L variant?
The 2 HP 50L variant is ideal for demanding applications, offering 240 L/min air flow and a 50-litre tank, perfect for multiple dental chairs or busy workshops.
Q.Who should choose the 3 HP 70L variant?
The 3 HP 70L model is suited for heavy-duty use, delivering a powerful 400 L/min air flow with a large 70-litre tank for sustained industrial operations.
Q.Who should choose the 3 HP 90L variant?
Select the 3 HP 90L variant for high-demand environments where a massive 90-litre air reserve is needed alongside the 400 L/min output to support continuous workflows.
Q.Who should choose the 4 HP 90L variant?
The 4 HP 90L variant is perfect for large-scale operations requiring 480 L/min air flow and a 90-litre tank, ensuring reliable supply for multiple pneumatic tools.
Q.Who should choose the 4.5 HP 120L variant?
Choose the 4.5 HP 120L model for industrial applications needing a high capacity of 600 L/min and a 120-litre tank to handle intensive, continuous usage.
Q.Who should choose the 6 HP 150L variant?
The 6 HP 150L variant is the ultimate choice for maximum demand, offering an impressive 710 L/min air flow and a 150-litre tank for large hospitals or manufacturing plants.
Q.What is the difference between the 0.75 HP and 1 HP models?
The 0.75 HP models deliver an air flow of 110 L/min (2.25 CFM), while the 1 HP models provide a higher air flow of 135 L/min (3 CFM), making the 1 HP units better suited for tools with slightly higher air consumption.
Q.How does tank size affect compressor performance?
A larger tank (e.g., 50L vs 8L) stores more compressed air, which means the motor doesn't have to turn on as frequently to maintain pressure. This is beneficial for continuous use applications, whereas smaller tanks are better for portability and space-saving.
Q.Should I choose the 3 HP 70L or the 3 HP 90L?
Both models offer the same 400 L/min air flow and 3 HP motor. The choice depends on your usage cycle; the 90L tank provides a larger buffer, reducing motor start/stop frequency during prolonged use compared to the 70L tank.

