Description Manuals Videos Articles Popular Accessories Clemco Part # 20246 - Clevis Pin, 1/4 x 1-3/8 for Clemco Flat Sand Valve & Sentinel Valve. FSV Item # 10 Sentinel Valve Item 20 Manual Related Parts (2) Parts Included (2) Clemco Flat Sand Valve, FSV #02427 $378.55 159 Clemco Sentinel Metering Valve for fine grit … #21439 $1,094.63 465 Customers Also Viewed SFD Flanged w/Qk Cplg Nozzle for Hoses 1-1/2"… $225.94 Clemco SXD-6 Nozzle, 1-1/4" Entry with Contra… #04592 $254.07 Service Kit, Motor, CAP-4 #25445 $544.97