Flange Datasheet
This is the size differences between a 150 to 2500, 4″ weld neck flange.
- Flange – ASME B16.5 (1/2″-24″)
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- Blind Flange: Class 150, Class 300, Class 400, Class 600, Class 900, Class 1500, Class 2500
- Lap Joint Flange: Class 150, Class 300, Class 400, Class 600, Class 900, Class 1500, Class 2500
- Socket Flange: Class 150, Class 300, Class 400, Class 600, Class 900, Class 1500, Class 2500
- Slip-on Flange: Class 150, Class 300, Class 400, Class 600, Class 900, Class 1500, Class 2500
- Threaded Flange: Class 150, Class 300, Class 400, Class 600, Class 900, Class 1500, Class 2500
- Weld Neck Flange: Class 150, Class 300, Class 400, Class 600, Class 900, Class 1500, Class 2500
- Flange – ASME B16.47, Large Diameter (26″-larger)
- Series A
- Blind Flange: Class 150, Class 300, Class 400, Class 600, Class 900
- Weld Neck Flange: Class 150, Class 300, Class 400, Class 600, Class 900
- Series B
- Blind Flange: Class 75, Class 150, Class 300, Class 400, Class 600, Class 900
- Weld Neck Flange: Class 75, Class 150, Class 300, Class 400, Class 600, Class 900
- Series A
- Flange – ASME B16.36, Orifice Flange (1/2″-24″)
- Slip-on Flange: Class 300, Class 400, Class 600, Class 900, Class 1500
- Threaded Flange: Class 300, Class 400, Class 600, Class 900, Class 1500
- Weld Neck Flange: Class 300, Class 400, Class 600, Class 900, Class 1500, Class 2500
- Flange – Industry Standard Flange (also called Large Diameter Flange) (26″-larger)
- Industry Standard Flanges have no national standard code or are they covered by any governing body.
- Blind Flange: Class 75, Class 125, Class 175, Class 250, Class 350
- Weld Neck Flange: Class 75, Class 125LW, Class 125, Class 175, Class 250, Class 350
- Slip-on Flange: Class 75, Class 125LW, Class 125, Class 175, Class 250, Class 350
- Industry Standard Flanges have no national standard code or are they covered by any governing body.
- Flange – AWWA Standard Flange
- AWWA C207-07
- Steel Ring Flange: Class B, Class D, Class E, Class F
- Steel Hub Flange: Class D, Class E
- Blind Flange: Class B, Class D, Class E, Class F
- AWWA C207-94
- Steel Ring Flange: Class B, Class D, Class E, Class F
- Steel Hub Flange: Class D, Class E
- Blind Flange: Class B, Class D, Class E, Class F
- AWWA C207-07