Technical Details for the GRF 261


The GRF 261 Mobile Filtration Unit sets a new standard for hydraulic fluid care. With a robust 26 L/min flow rate and continuous operation at 5 bar, it excels in filling and refilling filtered hydraulic fluids and lubrication tanks. Ideal for systems with high contamination, its off-line connection to the tank allows for fast flushing during start-up or additional filtration support. The unit's light and compact design accommodate diverse applications, providing efficient and easy maintenance. Equipped with MPS100 filter head filters and optional water removal, the GRF 261 ensures reliable performance. Compatible with mineral oil, it includes features like an electric control box and visual indicator for user convenience.

Designed and manufactured by MP Filtri, the GRF 261 provides a lightweight, and portable solution for various applications.

Pump Gear Pump
Electric Motor 0.55kW 110/230 Volt Single Phase
Flow Rate 26L/min
Viscosity Range 10 cSt to 120 cSt
Inlet Filter 250 µm metal mesh strainer
Outlet Filter 1/3/6/10/25 µm ß>1000 flow through the element Out/In
Bypass Indicator set at 1.75bar Visual clogging indicator gauge - pop-up manual reset
Operating Temperatures Fluid: 0oC to 80oC
Ambient: 0oC to 45oC
Protection Class IP 55
Seal NBR
Fluid Compatibility Mineral Oil
Suction / Pressure Hose SAE100R4 1" swaged female 2000mm hose
SAE100R4 3/4" swaged female 2000mm hose
Dimensions Weight: 18kg
Dimensions: 697mm (H) x 400mm (D) x 215mm (W)
Manufacturer MP Filtri


Filter element - Standard length: Inorganic microfiber element CS 100 A01 A P01 - 1 µm absolute
CS 100 A03 A P01 - 3 µm absolute
CS 100 A06 A P01 - 6 µm absolute
CS 100 A10 A P01 - 10 µm absolute
CS 100 A25 A P01 - 25 µm absolute
Filter element - Standard length: Wire-mesh element CS 100 M25 A P01 - 25 µm
CS 100 M60 A P01 - 60 µm
Filter element - Extended length: Inorganic microfiber element CS 150 A01 A P01 - 1 µm absolute
CS 150 A03 A P01 - 3 µm absolute
CS 150 A06 A P01 - 6 µm absolute
CS 150 A10 A P01 - 10 µm absolute
CS 150 A25 A P01 - 25 µm absolute
Filter element - Extended length: Wire-mesh element CS 150 M25 A P01 - 25 µm
CS 150 M60 A P01 - 60 µm

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Our History

Founded in 1973, MacScott Bond Ltd has worked for 50 years, ensuring we play our part in providing the engineering excellence expected from being part of the MacTaggart Scott Group. With a rich heritage dating back to 1898, MacTaggart Scott is a trusted name in Scottish engineering, and MacScott Bond proudly upholds this legacy.

The company's commitment to delivering quality fluid power systems is evident through our portfolio of previous projects. MacScott Bond’s designs have stood the test of time and the quality of our construction of bespoke fluid power systems has always been a priority for our company.

From analysing initial requirements, intelligent design and through rigorous testing processes, the company ensures the creation of high-quality systems tailored to the specific needs of diverse sectors, including marine defense, civil, offshore, mining, and industrial.