Choose the SP 500 for the harshest mixes with up to 1.5 aggregate. Also works well for shotcrete projects.

• Open loop, all-hydraulic concrete pump for fuel efficiency

• Twin circuit hydraulics

• Standard dual shifting cylinders

• Standard hopper agitator

• Long Rock Valve™ handles harsh mixes, shotcrete and grout

• Fast cleanout with less water

• Remote control standard

• Tier 4 Emission Compliant Engine

• Schwing Stationary Pumps are powered by CAT® Tier 4 compliant engines

No other sequencing valve combines lowest cost per yard maintenance costs and ease of rebuilding as the Rock Valve.