Complete Grit Removal Solutions for Every Need


After pioneering the first flat-floor forced vortex grit chamber, S&L continues to lead the industry in advanced hydraulic grit removal research and development by emphasizing a combination of CFD analysis and field testing. The state-of-the-art PISTA® brand is the most-specified in North America.

PISTA INVORSOR™
Unit Capacities0.5 to 50 MGD (~190,000 cmd)
ArrangementVariable inlet / outlet up to 360°
Removal Efficiency95% down to 75 Micron Particles
PISTA® VIO™ Variable Inlet / Outlet
Capacitiesup to 100 MGD (378,500 cmd)
ArrangementVariable inlet / outlet up to 360°
Removal %95% down to 140 mesh (105 micron)
PISTA® 360™ with V-FORCE BAFFLE™
Capacitiesup to 100 MGD (378,500 cmd)
Arrangement360° with V-FORCE BAFFLE™
Removal %95% down to 140 mesh (105 micron)
OPTIFLOW 270® Baffle System
Capacitiesup to 100 MGD (378,500 cmd)
Arrangement270° with OPTIFLOW 270™ Baffle
Removal %95% down to 100 mesh (150 micron)
PISTA® 360° or 270° Non-Baffled Grit Chambers
Capacitiesup to 100 MGD (378,500 cmd)
Arrangement360° or 270° without baffle
Removal %95% down to 50 mesh (300 micron)
85% of 50-70 mesh (297 - 210 micron)
65% of 70-100 mesh (210 - 149 micron)
PISTA®Works™ All-in-One Skid Package
Package ComponentsOBEX™ Fine Screen, PISTA® 360™ V-FORCE™ Grit Removal System, PISTA® TURBO™ Grit Pump, PISTA® Grit Concentrator, PISTA® TURBO™ Grit Washer, Control System, and more!
PISTA® PRO-PAK™ Grit Removal for Cold Weather
Package ComponentsPISTA drive units, Top-Mounted PISTA® TURBO™ Grit Pump, Control System, Vacuum Priming System, Weather-protected Retractable Fiberglass Enclosure, Heater (optional), DURO-LAST® Stainless Steel Baseplate (Optional)

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