Nural Pistons

AE Nüral pistons, manufactured in state-of-the-art plants around the world, are designed to meet the needs of both OE and aftermarket customers. AE Nüral pistons have the elasticity, high geometric stability and minimized piston weight needed to reduce friction and resist seizing.

Additional benefits include:

• High durability
• Low emissions
• Improved fuel economy

Our pistons are tested, measured and inspected at facilities that house advanced engine test rigs, modern gauging and both mechanical and hydraulic testing equipment.

The combined product lines incorporate several advanced designs, including Elastoval pistons, skirted pistons and double-wave cooling gallery pistons.

Nüral box-type pistons

The Nüral box-type piston, manufactured with reduced mass, is perfect for compact, high-speed engines, which place a premium on minimum building height and low weight.

Nüral manufactures box-type pistons with various skirt-wall thicknesses, mostly with an oval shape, making the design perfectly suited to loads on the minor and major thrust sides.

Benefits of the Nüral box-type piston include:

• Very small mounting clearance
• Quiet running for the engine
• High fuel efficiency

Nural Ring Insert Pistons

Because pistons for diesel engines are subjected to both high thermal loads and high pressures, stability is crucial. Nüral has developed a special piston with a ring insert in the top-ring groove area to provide the necessary stability.

Made of alloy cast iron, Nüral ring-insert pistons:

• Protect the groove sides against deformation and wear.
• Prevent pounding out of the ring grooves by the piston rings.
• Prevent the engine from coming under pressure.

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