S and P Flex
Experience excellent fuel cleaning and engine protection with the Alfa Laval S and P Flex range. Harness the power of centrifugal separation - engineered for all fuel types, including biofuels and lubricating oils. Configure your separator with confidence. The flexible system adapts to your process, ensuring optimal performance and robust engine protection. Collaborate with Alfa Laval to drive efficiency and reliability in every application.
Protect your engine from expensive wear
- Tailor to specific needs – flexible systems with a range of options
- Proven performance – the world’s best-selling separator for fuel and lube oil
- Cost-effective investment
- Space-saving modularized footprint
- Biofuel ready – compatible with HVO (EN15940) and with FAME (EN14214 or ASTM D6751) blends comprising HSFO, VLSFO and/or distillate
Together, we can configure your oil separator system to meet your unique performance and space requirements. Achieve outstanding engine protection and reduce engine wear with solutions built to remove cat fines and support all fuel types, including biofuels.
Choose the S separator for maximum protection and fuel economy. Alfa Laval ALCAP™ technology adapts to your oil, boosting reliability. Pick the P separator for high performance with oils that present fewer process challenges. Rely on a low-wear mechanical platform. Cut lifecycle costs and keep your operation running smoothly.
What about cybersecurity standards for marine separator systems?
Alfa Laval S and P Flex separators are fully compliant with IACS UR E27 requirements for cyber resilience in on-board systems and equipment.
What makes them biofuel ready?
Our separators are engineered to handle HVO (EN15940) and FAME (EN14214 or ASTM D6751) blends, including HSFO, VLSFO, and distillates—ensuring reliable purification and engine protection, even with challenging biofuel compositions.
Download our one-pager for a quick overview of how Alfa Laval S and P Flex separators deliver performance, protection, and biofuel readiness for your operation!
Features
Flexible, modular system
Configure and integrate compact separation systems with ease. Choose between loose components or assembled modules, mixing and matching separator types, separator sizes, ancillary blocks and skids. All to match your needs and space.
Biofuel ready
Operate confidently as you decarbonize, despite the added challenges posed by biofuels. The S and P Flex range is compatible with HVO (EN 15940) and FAME (EN 14214 or ASTM D6751) blends comprising HSFO, VLSFO and/or distillate oil.
Adaptive ALCAP™ technology
Choose an S separator to maximize protection – and to keep oil losses to an absolute minimum. S separators use ALCAP technology to adjust automatically to oil density and viscosity. That means reliable, efficient cleaning of even unpredictable fuels.
Low operating costs
Avoid not only oil losses and large sludge volumes for disposal – but also maintenance costs. Besides cleaning with high efficiency, S and P separators share a mechanical platform that reduces wear and extends service intervals.
CentriShoot discharge system
Avoid waste and wear during discharge. The CentriShoot system in S and P separators works quickly and precisely, minimizing oil losses. Its fixed discharge slide flexes gently to expose the discharge ports – without any metal-to-metal contact.
CentriLock bowl-locking system
Make service work fast and hassle-free. In S and P separators, the bowl is held in place by a lightweight CentriLock snap ring. The non-threaded ring snaps into place and lifts out easily, providing rapid access that keeps maintenance simple.
CentriShoot discharge system
Cleaner operation, less waste. Cut down on sludge and maintenance with the CentriShoot system—engineered to gently discharge waste without metal-to-metal contact, ensuring efficient performance and longer service intervals.
CentriLock bowl-locking system
Quick, hassle-free servicing. Simplify maintenance with the CentriLock snap ring—no heavy tools or threads required, just fast, reliable bowl removal that keeps your system running smoothly.
How it works
Your choices, configured your way
The S and P Flex range combines leading separation technology with a flexible scope of supply. The flexibility begins with two separator types: S and P. While they share a high-performance mechanical platform with wear-reducing features, the resulting separation systems are suited to different applications.
S separation systems – for hard-to-clean oils with varying properties
S separation systems feature ALCAP™ technology, which lets them adapt to the oil being cleaned. They ensure optimal performance and robust engine protection.
When water enters the disc stack, the ALCAP function detects it and automatically activates the drain or discharge mechanism. This maintains optimal separation when using oils with varying densities and viscosities. The result is effective removal of cat fines and other impurities, with only a minimum of oil lost as sludge.
Because they adapt automatically, S separation systems are the best choice for unpredictable residual fuel oils. Likewise, they are the best choice for biofuel blends containing HSFO or VLSFO.
P separation systems – for well-defined distillates and lube oils
Alfa Laval P separation systems are the go-to choice for cleaning scenarios with stable and predictable oils. Based on purifier technology, they use a gravity disc to set the separation point and regulate water removal.
Because the adjustment is manual rather than automatic, P separation systems are intended for distillate and lubricating oils that have known and limited densities. They are compatible with biofuels, just like the more versatile S separation systems. But they should preferably be used with well-specified FAME or HVO, which should only be blended with distillates.
Case stories
Defeating cat fines with onboard fuel cleaning
The quality of marine fuel oil is far from consistent. It can vary significantly within the limits, which makes professional fuel management vital.
Watch the video and listen to three well-known marine industry experts as they give their views on avoiding excessive costs and mitigating the risk of serious breakdowns.
Expert corner
The Alfa Laval Adaptive Fuel Line
Reliable engine protection as fuels change. Fuel oil today is more complex than ever. The challenges created by very-low-sulphur and ultra-low-sulphur fuel oil (VLSFO/ULSFO) remain, even long after the regulatory shift of 2020. Biofuel blends – which will soon be a practical necessity to meet CII targets – only add to the difficulties.
Experience the benefits of high-performance lube oil cleaning
The quality of your lube oil determines equipment lifetime and levels of productivity. Cleaned lube oil maintains its quality over time and is therefore essential to a healthy, trouble-free process.
Alfa Laval Marine Service
Worldwide and 24/7, Alfa Laval Marine Service is your path to greater uptime, optimized performance and true peace of mind. Our network is always on call, and our service offering brings reliability, efficiency and compliance throughout your equipment's lifetime.
24/7 Service & Support
Contact us anywhere, anytime:
+46 4636 7700
marine.service@alfalaval.com
Our global network of service centres centres, distribution centres and field service engineers is always ready at assist you.