Description Manuals Videos Articles Popular Accessories Clemco Part # 02433 - Medium Flow Gauge for Clemco Flat Sand Valve (FSV) and Sentinel Valve. FSV Item # 11 Sentinel Valve Item # 31 Manual Related Parts (2) Parts Included (2) Clemco Flat Sand Valve, FSV #02427 $315.46 159 Clemco Sentinel Metering Valve for fine grit … #21439 $1,010.07 465 Customers Also Viewed Clemco CQPS-2 Nylon Quick Coupling for 1-1/4"… #08413 $22.97