MP Filter Series MPS

Description

The spin-on filters of the MP Filter Series MPS family represent a balanced technical solution for filtration management in hydraulic circuits. They are specifically designed for in-line installation on suction circuits, return circuits, and low-pressure lines. Direct connection to system lines is achieved through integrated hydraulic fittings, ensuring quick installation and easy cartridge maintenance. The filters operate with a maximum working pressure of up to 1.2 MPa (12 bar) and support operating flow rates up to 365 l/min.

Design Features and Materials

The structure of the MP Filter Series MPS has been engineered to withstand severe industrial conditions. The filter head is entirely made of aluminum, offering an excellent strength-to-weight ratio. The filter elements (cartridges) are made of galvanized steel or painted steel, ensuring durability and corrosion protection. Standard seals use NBR compounds (series A), ensuring full compatibility with conventional hydraulic fluids at operating temperatures ranging from -20°C to +110°C. The filters provide high structural strength, with a minimum burst pressure of 3.6 MPa (36 bar) and fatigue resistance certified for 1,000,000 cycles (from 0 to 12 bar). The recommended installation for the entire series is vertical mounting.

Variants and Models

The range is highly modular and covers multiple volumetric sizes and weights. Available series include sizes 050, 051, 070, 071, 100, 101, 150, 151, 200, 250, 300, 301, 350, and 351. The models differ according to clogging sensor configuration:

• Standard Versions (e.g. 050, 070, 100, 150, 300, 350): Equipped with connections for conventional clogging indicators (visual, electrical), suitable for suction and return lines.
• “1” Versions (e.g. 051, 071, 101, 151, 301, 351): Specifically equipped with connections for differential pressure indicators (electrical and electronic), ideal for low-pressure applications. Filters can be equipped with bypass valves (in polyamide or steel) calibrated to protect the filter media:
• Opening pressure for in-line/return filters: 0.175 MPa (1.75 bar) ±10%.
• Opening pressure for in-line/suction filters: 0.03 MPa (0.3 bar) ±10%.

Filter Media Specifications and Special Cartridges

The flow direction through the filter element is from outside (OUT) to inside (IN). Various filtration grades are available to meet ISO cleanliness requirements:

• Inorganic microfiber (A): 3 µm, 6 µm, 10 µm, 25 µm.
• Wire mesh (M): 25 µm, 60 µm, 90 µm.
• Resin-impregnated paper (P): 10 µm, 25 µm.

Additionally, for the removal of free water from fluids, MPS filters (particularly compatible with sizes 050, 070, 100, 150) can be fitted with special CW cartridges. These cartridges use absorbent polymers capable of retaining water up to 800 times their own weight while simultaneously filtering the oil. For example, the CW150 cartridge has a water retention capacity of 788 ml.

Applications and Industries

The MP Filter Series MPS is a preferred choice for cost-effective industrial systems and mobile machinery. Typical applications include suction lines, delivery lines, and tanks for off-line filtration. The combination of double cartridges, connections compatible with European and American standards, and the wide range of clogging indicators makes them versatile and highly efficient for hydraulic system technicians.

Technical summary table of the main features of the MP Filter Series MPS.