The Putzmeister® Delivery Piston Q280 is a high-performance piston assembly designed for use in Putzmeister® concrete pumps featuring 280 mm diameter pumping cylinders. As the heart of the concrete pumping mechanism, the Q280 piston is engineered for strength, wear resistance, and precision. It enables efficient and high-pressure delivery of concrete, even under the most demanding jobsite conditions.
Key Features & Benefits:
High-Pressure Performance: Engineered to withstand the intense pressures generated during each pumping cycle, ensuring consistent concrete flow.
Exceptional Wear Resistance: Constructed from durable materials—often featuring reinforced coatings or replaceable wear rings—to resist the abrasive nature of concrete and extend component life.
Superior Sealing: Equipped with multiple specialized seals to maintain a tight seal against the cylinder wall, eliminating concrete blow-by and optimizing pumping efficiency.
Smooth Reciprocation: Designed for stable and efficient movement within the pumping cylinder, minimizing wear and vibration.
Precision Fit: Manufactured to exact Putzmeister® specifications for a perfect match with Q280 pumping cylinders, ensuring optimal performance and minimal maintenance.
Pump Compatibility: Fully compatible with Putzmeister® concrete pumps that use 280 mm diameter cylinders.
Component Analysis
Piston Body The core of the piston assembly—typically fabricated from steel or high-grade aluminum—with structural ribs or webs for strength and weight optimization.
Piston Heads/Centers Attach to the piston rod and serve as mounting bases for seals and wear rings. Designed to aid in concrete flow and pressure distribution.
Wear Rings Replaceable and made from abrasion-resistant polyurethane or rubber. These ensure smooth travel of the piston inside the cylinder and protect both the cylinder wall and piston body.
Seals Elastomeric seals that ensure a leak-proof seal during both suction and delivery strokes, maintaining hydraulic and pumping efficiency.
Piston Rod Connection Piece Connects the piston body to the piston rod securely, transmitting force from the hydraulic cylinder.
Piston Ball or Valve Component Some piston configurations may include a ball or valve to aid material flow during the pump stroke cycle.
Retaining Rings / Fasteners Secure the seal and wear ring assembly to the piston body, ensuring proper retention under high pressure and repetitive motion.
Function in the Putzmeister® Pumping System:
The Q280 piston plays a central role in the concrete pumping process:
Suction Stroke: The piston retracts, creating vacuum pressure that draws concrete from the hopper into the pumping cylinder.
Delivery Stroke: The piston advances, forcing the concrete from the cylinder into the delivery pipeline under high pressure.
Seal & Wear Ring Interaction: Seals maintain pressure by preventing leakage, while wear rings protect components and ensure a smooth gliding motion.
Why Quality Piston Components Matter:
A properly functioning piston assembly is critical to:
Maintaining the required pumping pressure and delivery rate.
Ensuring smooth and consistent concrete flow, free from blow-by or pressure loss.
Prolonging the lifespan of both the pumping cylinder and piston assembly.
Minimizing downtime, service disruptions, and costly repairs due to wear or failure.
Get the Right Fit for Your Pump:
To ensure precise fitment and optimal performance, consult the official Putzmeister® parts catalogs for detailed specifications on:
Material and coating details
Complete seal and wear ring kits
Installation and maintenance procedures
Compatibility across different pump models
Investing in authentic, high-quality Q280 pistons and accessories helps keep your Putzmeister® concrete pumpoperating at peak efficiency—whether you're working here in Burnaby or servicing demanding projects across the region.
