Description Manuals Videos Articles Rubber Pop-Up Valve Seat 4 Inch ID x 5.5 Inch OD. Fits blast pots with a 4 inch opening in the blast machine head. Model 1642, 1648, 2443 & 2452 Item # 21 Model 2016 Item # 11 WetBlast Flex Item #11 Clemco Part #02325 . What Size Do I Need For My Blast Machine? Sandblasting and the Importance of Surface Profiles Related Parts (13) Parts Included (13) Clemco Model 1642 Pot Only #21054 $0.00 827 Clemco Model 1648 with FSV, Pot Only, 1 inch… #00884 $2,926.20 828 Clemco Model 1648 with FSV, Pot Only 1-1/4 i… #01181 $3,084.60 829 Clemco Model 2443 LoPot, Pot Only, 1 inch Pip… #05628 $3,500.15 830 Clemco Model 2443 LoPot, Pot Only, 1-1/4 inch… #05629 $3,821.80 831 Clemco Model 2452 with FSV, Pot Only, 1 inch … #00887 $3,500.15 832 Clemco Model 2452 with FSV, Pot Only, 1-1/4 i… #01189 $3,821.80 833 Clemco Pop-Up Valve with 1/2 Inch Stem for 4”… #02321 $81.48 1122 Clemco Pop-up Valve with external sleeve, 4 i… #03699 $104.76 887 Clemco Pop-Up Valve Seat, Neoprene 4 inch I.D… #02380 $24.74 901 Clemco Model 2016 with MQV and Millennium Val… #21490 $3,556.60 941 Clemco Model 2020 with MQV and Millennium Val… #21505 $4,772.40 942 Clemco Model 2024 with MQV and Millennium Val… #21610 $5,044.00 943 Customers Also Viewed Clemco Pop-up Valve with external sleeve, 4 i… #03699 $104.76 Clemco Pop-Up Valve Seat, Neoprene 4 inch I.D… #02380 $24.74 Clemco Inspection Door Gasket, 6 inch x 8 inc… #02369 $20.86