Standards ASTM ASME B381 SB381 Dimensions ANSIASME B165 B1647 Series A amp B B1648 BS4504 BS 10 EN1092 DIN ANSI Flanges ASME Flanges BS Flanges DIN Flanges EN Flanges GOST Flange ASMEANSI B16516361647A1647B MSS S44 ISO70051 JISB2220 BS156031 API7S15 API7S43 API605 EN1092 Pressure Rating Class 150 LBS 300 LBS 600 LBS 900 LBS 1500 LBS 2500 LBS Pressure Calculation 6Bar 10Bar 16Bar 25Bar 40Bar PN6 PN10 PN16 PN25 PN40 PN64 Flange Connect Type Face Type Raised Face RF Ring Type Joint RTJ Flat Face FF Large MaleFemale LMF LapJoint Face LJF Small MaleFemale SMF Small Tongue Large Tongue amp Groove Groove Flange Size Chart 12 15 NB to 48 1200NB DN10DN5000 DIN Flanges DIN 2527 2566 2573 2576 26412642 2655 2656 2627 2628 2629 2631 2632 2633 2634 2635 2636 26372638 2673 Table D E F H Test Certificates EN 1020431B Raw Materials Certificate 100 Radiography Test Report Third Party Inspection Report etc Flange Form Slip On Flanges Socket Weld Flanges Forged Flanges Blind Flanges Welding Neck Flange Ring Type Joint Flange Spectacle Blind Flange Reducing Flange Threaded Screwed Flange Tongue and Groove Flange Long Weld Neck Flange Plate Flange ASME B165 Flange