Rexroth A2VK Metering Pump | A2VK12, A2VK28, A2VK55 | Polyurethane Foaming Piston Pump

Rexroth A2VK Series High-Precision Chemical Metering Piston Pump

Product Overview: The Rexroth A2VK series is a high-performance axial piston variable pump specifically engineered for Polyurethane (PU) foaming, two-component mixing, and precise chemical fluid metering. Recognized as the industry benchmark for metering, the A2VK range (including 12cc, 28cc, and 55cc) ensures extreme chemical ratio stability through superior volumetric efficiency and repeatability. Its compact bent-axis rotating group is hardened to handle abrasive or high-viscosity media such as Isocyanates (ISO) and Polyols (POL) with ease.

Key Technical Advantages:

• Extreme Metering Precision: Features high-precision valve plates and piston groups to ensure linear pressure and flow output with minimal fluctuation—essential for producing high-quality foamed products.

• Corrosion Resistance & Specialized Sealing (PE2/PE1):

  • Models like the A2VK12MAGR4G0PE2 utilize specialized material combinations and sealing designs (PE2), optimized specifically for chemically aggressive fluids to drastically reduce leak risks.

• Versatile Manual Adjustment (MA): Equipped with a precision manual handwheel (MA code), allowing operators to perform micron-level displacement settings for rapid recipe changes.

• High-Pressure Reliability: Supports a rated operating pressure of 250 Bar with peak capabilities up to 315 Bar. The robust bent-axis design ensures exceptional wear resistance during long-term, high-frequency operation.

• Low Pulsation Design: Optimized plunger kinematics effectively smooth out fluid pulsations, ensuring uniform spraying and mixing at the mix-head.

Detailed Models & Parameters:

• Core Series: Rexroth A2VK (A2VK12, A2VK28, A2VK55).

• Representative Models: R902047230, A2VK12MAGR4G0PE2, A2VK28MAOL1G0PE2, A2VK55MAHRP11.

• Displacements: 12, 28, 55 cm³/rev.

• Pressure Ratings: Rated at 250 Bar (36 MPa); Peak cycles up to 315 Bar (45 MPa).

• Target Media: Polyurethane raw materials, Isocyanates, Polyols, Resins, etc.