Flanged End Check Valve | Series 35 Home > Products > Flanged End Check Valve | Series 35 Flanged End Check Valve | Series 35 Flanged end RF & RTJ swing style integrally cast flange design. Offered in 21/16" thru 7 1/16" API 2000, 3000 & 5000 2" thru 12" class 150, 300, 600, 900 & 1500 16" thru 24" class 150, 300 & 600 Get a Quote Contact EEI Application & Training Valve Maintenance Schools Product Data Sheets & MSDS Trouble Shooting Contact Us Today