Comparison : Item # P52S1036SW4004N, 300# Schedule 40 Socket Weld Raised Face Flange, 316 Stainless Steel
Item # P52S1036SW4006N, 300# Schedule 40 Socket Weld Raised Face Flange, 316 Stainless Steel
Item # P52S1036SW4010N, 300# Schedule 40 Socket Weld Raised Face Flange, 316 Stainless Steel
Item # P52S1036SW4014N, 300# Schedule 40 Socket Weld Raised Face Flange, 316 Stainless Steel
Item # P52S1036SW4020N, 300# Schedule 40 Socket Weld Raised Face Flange, 316 Stainless Steel