Polyurethane Piston for Concrete Pump Trucks

Concept:
The polyurethane piston is a critical wear part located at the end of the pump truck's piston rod. It acts as a dynamic seal within the concrete cylinder, creating the pressure needed to push concrete through the delivery system.

Purpose:
Its primary function is to form a tight seal against the cylinder wall during the reciprocating pumping action. This prevents the abrasive concrete slurry from leaking back into the hydraulic system while efficiently transferring the full hydraulic force to the concrete, ensuring powerful and consistent pumping.

Key Advantages:

• Superior Abrasion Resistance: Offers exceptional wear resistance against abrasive concrete mixes, significantly outlasting traditional rubber pistons.

• Excellent Durability: High tensile strength and tear resistance reduce the risk of failure and premature downtime.

• Enhanced Sealing: Provides a consistent and reliable seal throughout its lifespan, maintaining pumping efficiency and pressure.

• Cost-Effective: Longer service life means fewer replacements, lower maintenance costs, and increased overall productivity.

Construction Machinery Parts - Piston Rod Seal Ring & Accessories

Product Description

High-performance sealing solutions for construction machinery including concrete pumps and tyre changers.

Key Advantages

• Excellent wear resistance for extended service life
• Available in wide hardness range for various applications
• Outstanding mechanical strength under heavy loads
• Compatible with major brands including Sany and Zoomlion
• Multiple size options: 200mm, 230mm, 260mm

Product Images

SANY Components

SANY Rubber Piston

SANY Polyurethane Conveying Cylinder

Packaging & Delivery

Why Choose Our Products