New high-pressure radial piston pumps

A new size that helps customers address a wider range of applications

Technology - Wednesday, 4 October 2017

A designer and manufacturer of high performance motion control products, solutions, and services, Moog launched a new high-pressure radial piston pump (RKP) series. With a maximum operating pressure of 350 bar and peak pressure up to 420 bar, the new RKP series addresses a wide range of applications including presses, metal forming and heavy industries.

Moog RKPs are high-performance variable displacement pumps that combine high reliability and performance with up to 90% efficiency. Their rugged design, featuring heat-treated sliding parts and zero load on the bearing, ensures a long service life with minimal maintenance downtime.

The extensive range of sizes now includes 19, 32, 63, 80, 140 and 250 cubic centimetres pumps. Size 140 cubic centimetres is the latest addition that helps bridge the previous gap between 80 and 250 cubic centimetres pumps in the high-pressure field. The entire range - including the new 140 cubic centimetres - is also available with Moog’s medium-pressure (280 bar) RKP series.

“As a global leader, Moog pays close attention to how customer and end-user requirements evolve. We are always looking to strengthen our portfolio to ensure we cover the complete spectrum of customer needs and applications. With the high-pressure series and new size, we endeavour to make it easier for our customers to find the right pump for their needs,” says Dirk Becher, engineering manager at Moog.

Highly versatile, Moog RKPs are designed to meet the needs of a wide range of applications. A broad selection of compensator types and control options provide the flexibility to configure the pumps according to the specific application. The pump’s ability to operate at zero speed and unlimited speed range/pressure hold make them well suited to SCP (speed control pump) operations in cycles that require long pressure holds. Additionally, their quiet, low-vibration operation is ideal for applications where noise is a concern. Furthermore, all RKP products are ATEX certified for use in potentially explosive environments.


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