How does an oil separator tank improve air quality?

The oil separator tank improves air quality by minimizing the amount of oil that passes into the compressed air output. Through efficient separation processes, it ensures that oil droplets are captured and recirculated, preventing contamination of downstream equipment and processes. This is especially important in applications where clean air is required for product quality or operational standards.

Why is OEM compatibility important for oil separator tanks?

OEM oil separator tanks are specifically designed to match the performance requirements and specifications of the compressor system. This ensures proper fit, optimal efficiency, and reliable operation. Using non-OEM components can lead to reduced separation efficiency, increased oil carryover, and potential system issues. OEM solutions provide consistent performance and help protect the compressor investment.

What maintenance benefits do oil separator tanks provide?

Oil separator tanks contribute to reduced maintenance needs by improving system cleanliness and reducing contamination. Their efficient operation helps extend the life of filters, dryers, and other downstream components. This leads to fewer service interventions, lower maintenance costs, and increased system uptime, making them an important component for long-term operational efficiency.

How do oil separator tanks affect overall compressor performance?

Oil separator tanks have a direct impact on compressor performance by maintaining the correct balance between lubrication and air purity. Efficient separation supports consistent airflow, reduces energy losses, and prevents issues caused by oil contamination. This results in stable compressor operation, improved reliability, and enhanced overall system performance.

Oil Separator Tank | Efficient Air Separation Systems

Q: What is the role of an oil separator tank in a compressor system?

An oil separator tank plays a critical role in separating oil from compressed air after the compression process. It ensures that the oil used for lubrication is effectively removed from the air stream and returned to the system, while clean air is delivered downstream. This function is essential for maintaining both air quality and proper lubrication within the compressor, contributing to reliable and efficient operation.

Efficient oil-air separation is critical to the performance and reliability of rotary screw compressors. Oil separator tanks from Ingersoll Rand are engineered to ensure consistent separation efficiency, delivering clean compressed air while maintaining optimal lubrication within the system. Designed for durability and performance, these components play a central role in protecting compressor integrity, supporting energy efficiency, and maintaining high air quality standards across industrial applications.

Advanced Separation Technology for Cleaner Air

Oil separator tanks are designed to effectively separate oil from compressed air during the compression process. This ensures that the air delivered downstream meets quality requirements while the oil is retained and recirculated within the system.

By optimizing separation efficiency, these tanks help reduce oil carryover, which can impact equipment performance and product quality. Cleaner air output is essential in applications where contamination can lead to operational issues or affect end processes. The result is improved air quality without compromising compressor performance.

Supporting System Efficiency and Performance

Effective oil separation directly contributes to overall compressor efficiency. Oil separator tanks help maintain the correct balance between lubrication and air purity, enabling the compressor to operate at optimal conditions.

When oil carryover is minimized, downstream components such as filters and dryers experience less strain, improving their performance and lifespan. This contributes to a more efficient compressed air system with reduced energy consumption and stable operating conditions over time.

Durability in Demanding Operating Conditions

Oil separator tanks are built to withstand the pressures and temperatures associated with continuous compressor operation. Their robust construction ensures reliable performance even in demanding industrial environments.

Materials and design considerations focus on long-term durability, allowing the separator tank to maintain consistent efficiency over extended periods. This reliability is essential for operations that depend on uninterrupted compressed air supply, reducing the risk of system failure or performance degradation.

Reduced Maintenance and Improved Serviceability

A well-designed oil separator tank simplifies maintenance and supports longer service intervals. By effectively managing oil separation, it helps prevent contamination buildup within the system, reducing the frequency of component replacements.

Improved serviceability means maintenance teams can perform inspections and servicing more efficiently, minimizing downtime and ensuring that the compressor continues to operate reliably. This contributes to lower maintenance costs and improved operational continuity.

Optimized for Integrated Compressor Systems

Oil separator tanks are engineered to integrate seamlessly with Ingersoll Rand compressor systems, ensuring compatibility and reliable operation. This integration supports consistent performance and reduces the complexity often associated with aftermarket or non-OEM components.

By choosing an OEM solution, operators benefit from a system that is designed to work as a cohesive unit, delivering predictable performance and maximizing the lifespan of the compressor. This approach supports both operational efficiency and long-term cost savings.

Unmatched Performance

Maximum Airflow Capacity: Up to 30 m³/min (1,000 cfm)

Maximum Pressure: 35 barg

Supreme Oil Separation: Achieve oil carryover as low as 3 mg/m³ (0.003 ppm), reducing premature oil refills and ensuring clean, efficient operation.

Smart Design for Easy Maintenance

The ST35-30 is equipped with three oil separator elements, each weighing only 1.5 kg (3.3 lbs), and a lightweight lid of 15 kg (33 lbs). No lifting tools are required, making field service fast and hassle-free. Compact design and lightweight components minimize downtime and simplify maintenance.

Optimized Weight and Space Efficiency

With an operating weight of 367 kg (809 lbs) including 65 liters (17.2 US gallons) of compressor oil, the ST35-30 is lighter than competing models—delivering significant benefits in assembly logistics and drill rig frame design. Its compact footprint saves space without compromising performance.

Designed for CF1000H Air End

Engineered to work seamlessly with the CF1000H air end, this oil separator tank ensures peak performance and reliability across all operating conditions.

Why Choose the ST35-30?

Industry-leading oil separation performance

Compact, lightweight design for easy integration

Simplified maintenance with no heavy lifting tools

Proven durability for harsh environments

Tailored for high-pressure, high-flow applications

Comprehensive Support for OEMs

Beyond advanced components, Ingersoll Rand OEM Solutions delivers world-class technical support, genuine spare parts, and decades of engineering expertise to keep your systems running at peak efficiency.

Ready to Upgrade Your Compressor System?
Let’s talk about how the ST35-30 Oil Separator Tank can support your operations.

Technical Specification	Metric	Imperial
Capacity min/max	6.5 / 30 m³/min	230 / 1060 cfm
Min/max operating pressure	8 / 35 barg	116 / 522 psig
Pressure drop at max capacity and pressure	0.32 bar	4.64 psig
Oil flow, max	370 l/min	98 gal US/min
Oil quantity, min/max	46 / 65 liter	12 / 17 gallon US
Weight	310 kg	683 lbs
Pressure relief valve opening point	35.5 bar	515 psig
Working temperature	+0…+130 °C	+32…+266 °F
Separator elements, in to out	3 pcs
Oil carryover	<3 mg/m³ *
Max tilt angle	20 °
Oil level glass	Visual, explosion proof
Available approvals	PED / multiapproval (ASME + CRN + AS1210)
Dimensions WxLxH	⌀ 457 mm × 1762 mm	⌀ 18 in × 69 in

Options
Capacity oil level sensors for min/max level.	Supply voltage	8…9 V DC
	Current supply (state OFF / ON) - NAMUR	≤ 1 mA / ≥ 2.2 mA
	Max. internal values	Ui = 12 V DC; Ii = 15 mA; Pi = 45 mW; Ci = 15 nF; Li = 10 µH
	Coupling capacity / Electric strength	44 nF / 250 V AC
	Reference value of LC parameters of used cable	Typical C < 150 pF/m Typical L < 0.8 µH/m

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FAQs

An oil separator tank plays a critical role in separating oil from compressed air after the compression process. It ensures that the oil used for lubrication is effectively removed from the air stream and returned to the system, while clean air is delivered downstream. This function is essential for maintaining both air quality and proper lubrication within the compressor, contributing to reliable and efficient operation.

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Oil Separator Tank