Metaris Specialty Gear Pumps

Metaris Specialty Gear Pumps

Metaris MK20 and ML51 pumps and motors have a combination 2/4 bolt mounting flange and bi-rotational construction that gives the option of installing as a pump or motor, making these units the most flexible in today's cost minded market.


The ML51's large diameter dual porting (side and rear) and the MK20's wide range of output flows / pressure ratings of up to 3000 psi will lower inventory requirements and provide a popular product offering.



Metaris Gear Pumps and Motors

Metaris MHP/M gear pumps and motors have the durability and reliability of this time tested design. Metaris has combined this technology with modern manufacturing processes making the Metaris gear unit high quality and dependable products.

Metaris Specialty Gear Pumps and Motors

  • Series in³/r cm³/r Max RPM Flow at 1000 RPM
    MK20 4 0.98 16 2400 4 / 15 3000
    MK20 6 1.47 24 2400 6 / 22.5 3000
    MK20 8 1.97 32 2400 8 / 30 3000
    MK20 11 2.46 40 2400 11 / 41.5 3000
    MK20 13 2.96 48 2400 13 / 49 3000
    MK20 15 3.45 57 2400 15 / 56 2500
    MK20 17 3.94 65 2400 17 / 64 2500
    MK20 19 4.46 73 2400 19 / 72 2500
    ML51 19 5.2 85 2400 23 / 87 2500
    ML51 23 5.73 93 2400 25 / 94.5 2500
    ML51 25 6.37 104 2400 27 / 102 2500

Metaris Gear Pumps for Industrial Applications

Metaris has been supporting the industrial hydraulics industries for many years and has become a strong source for high quality hydraulic gear products.    Metaris pumps and motors are particularly suited for heavy duty mobile equipment applications.  They are designed for extreme duty cycles and continuous heavy duty operations.  The pumps and motors are a rugged design, but precision manufactured.

Pumps are available in single section units or several sections can be combined into one unit.  A wide selection of mounting flanges and drive shafts are available to fit most applications.  Pipe thread, "O" ring, or split flange are available in both metric and SAE standards.

Metaris pumps and motors are manufactured under strict quality control systems which are monitored by ISO-9001-2000 standards.


Section construction; Quality gear construction, high strength gray and ductile iron castings, repair components available throughout the world and a wide range of configurations to suit most applications.

Multiple pump units; Several pump sections or piggyback units can be combined on a single drive, to eliminate multiple power take-off drives.

Precision matched gears; All gear sets are designed, and machined from high alloy bar, surfaces are precision finished and each gear set is matched for maximum efficiency.  The 10 tooth construction gives maximum output per centimeter width per revolution.

Bearings; Quality roller bearings are utilized on journals to reduce the wear caused from contamination within the hydrualic system.

Bushing pumps; Bushings are constructed from quality materials and Teflon coated for maximum wear life.