API FLANGES - Keddco

1 4a API 6A TYPE 6B, 6BX FLANGES and Studded Crosses and TeesAPI FLANGESF langes and Studded Blocks are designed and manufactured in accordance with the following specifications:-API 6A Specification for Wellhead and Christmas Tree Chemical Plant and Petroleum Refinery VIII Boiler and Pressure Vessel Quality Standards for Steel Castings for Valves, FLANGES and Fittings and other Piping MR-01-75 Sulphide Stress Cracking Resistant Metallic Materials for Oilfield are available as Weld neck , Integral, Blinds, Target & Test Blinds for use with the following pressure ratings:-MAX. WORKING PRESSURETESTPRESSUREPRODUCTSPECIFICATION LEVELSAPI TEMPERATURE RATINGMIN.

2 YIELDMN. TENSILEMATERIALMIN. YIELDMIN. TENSILEMATERIAL2,000 PSI3,000 PSI1,2,3K (-60 DEG C) TO Y (+345 DEG C)60,000 PSI85,000 PSIAPI 60K45,000 PSI70,000 PSIAPI 45K3000 PSI4,500 PSI1,2,3K (-60 DEG C) TO Y (+345 DEG C)60,000 PSI85,000 PSIAPI 60K45,000 PSI70,000 PSIAPI 45K5,000 PSI7,500 PSI1,2,3K (-60 DEG C) TO Y (+345 DEG C)60,000 PSI85,000 PSIAPI 60K45,000 PSI70,000 PSIAPI 45K10,000 PSI15,000 PSI1,2,3K (-60 DEG C) TO Y (+345 DEG C)60,000 PSI85,000 PSIAPI 60K60,000 PSI85,000 PSIAPI 60K2000 PSI22,000 PSI1,2,3K (-60 DEG C) TO Y (+345 DEG C)75,000 PSI95,000 PSIAPI 75K75,000 PSI95,000 PSIAPI 75K2000 PSI30,000 PSI1,2,3K (-60 DEG C) TO Y (+345 DEG C)

3 75,000 PSI95,000 PSIAPI 75K75,000 PSI95,000 PSIAPI 75 KGENERAL NOTES: Max. working pressures stated are suitable for temperatures up to 121 C. De-rating of max. working pressure will occur as the operating temperature increases above 121 , BLIND, TARGET BLIND & TEST FLANGES AND STUDDED BLOCKSWELD neck 6B FLANGES FOR 2000 psi RATED WORKING PRESSUREN ominal Size andBore of FlangeHUB AND BORE DIMENSIONSHub LengthThreaded Line-Pipe FlangeHub LengthThreaded CasingFlangeHub Length welding neck Line-Pipe FlangeNeck Diameter welding neck Line-Pipe FlangeToleranceMaximum Boreof welding NeckFlange L1 L2 L3 A A B 21/16 + 29/16 + 31/8

4 + 41/16 + 51/8 + 71/16 + 9 + 11 + 135/8 16 21 GENERAL NOTES.

5 Dimensions are in inches THREADED FLANGE WELD neck LINE PIPE 6B FLANGES FOR 2000 psi RATED WORKING PRESSUREN ominal Size andBore of FlangeMaximum BoreOutside Diameter ofFlangeToleranceMaximum ChamferDiameter ofRaised FaceTotal Thicknessof FlangeDiameter of HubDiameter of Bolt CircleNumber of BoltsDiameter of BoltsDiameter of Bolt HolesBolt Hole Tolerance(see note)Length of BoltsRing number, R or RXHUB AND BORE DIMENSIONS B D D C F T G A P 21 16 8 5 8 +.06 23 29 16 8 +.

6 06 26 31 8 8 +.06 31 41 16 8 7 8 +.06 37 51 8 8 1 +.06 41 71 16 12 1 +.06 45 9 12 11 8 +.06 49 11 16 1 +.06 53 135 8 20 1 +.06 57 16 20 1 +.09 65 21 24 15 8 +.09 73 Basic Thicknessof FlangeGENERAL NOTES: Dimensions are in inches. Minimum Bolt Hole Tolerance is - 6B FLANGES FOR 3000 psi RATED WORKING PRESSUREN ominal Size andBore of FlangeHUB AND BORE DIMENSIONSHub LengthThreaded Line-Pipe FlangeHub LengthThreaded CasingFlangeHub Length welding neck Line-Pipe FlangeNeck Diameter welding neck Line-Pipe FlangeToleranceMaximum Boreof welding NeckFlange L1 L2 L3 L4 A A B 21 16 + 29 16 + 31 8 + 41 16 + 51 8 + 71 16 + 9 + 11 +

7 135 8 16 20 Hub LengthTubing Flange THREADED FLANGE WELD neck LINE PIPE FLANGEGENERAL NOTES: Dimensions are in 6B FLANGES FOR 3000 psi RATED WORKING PRESSUREN ominal Size andBore of FlangeMaximum BoreOutside Diameter ofFlangeToleranceMaximum ChamferDiameter of Raised FaceTotal Thicknessof FlangeDiameter of HubDiameter of BoltCircleNumber of BoltsDiameter of BoltSDiameter of Bolt HolesBolt Hole Tolerance(see note)Length of BoltsRing number, R or RXHUB AND BORE DIMENSIONS B D D C F T G A P 21 16 8 7 8 +.

8 06 24 29 16 8 1 +.06 27 31 8 8 7 8 +.06 31 41 16 8 11 8 +.06 37 51 8 8 1 +.06 41 71 6 12 11 8 +.06 45 9 12 13 8 +.06 49 11 16 13 8 +.06 53 135 8 20 13 8 +.06 57 16 20 15 8 +.09 66 20 20 2 +.09 74 Basic Thicknessof FlangeGENERAL NOTES: Dimensions are in inches.

9 Minimum Bolt Hole Tolerance is - 6B FLANGES FOR 5000 psi RATED WORKING PRESSUREN ominal Size andBore of FlangeHUB AND BORE DIMENSIONSHub LengthThreaded Line-Pipe FlangeHub LengthThreaded CasingFlangeHub Length welding neck Line-Pipe FlangeNeck Diameter welding neck Line-Pipe FlangeToleranceMaximum Boreof welding NeckFlange L1 L2 L3 L4 A A B 21/16 + 29/16 + 31/8 + 41/16 + 51/8 + 71/16 + 9 + 11 + LengthTubing Flange THREADED FLANGE WELD neck LINE PIPE FLANGEGENERAL NOTES: Dimensions are in 6B FLANGES FOR 5000 psi RATED WORKING PRESSUREN ominal Size andBore of FlangeMaximum BoreOutside Diameter ofFlangeToleranceMaximum ChamferDiameter of Raised FaceTotal Thicknessof FlangeDiameter of HubDiameter of BoltCircleNumber of BoltsDiameter of BoltSDiameter of Bolt HolesBolt Hole Tolerance(see note)Length of BoltsRing number, R or RXHUB AND BORE DIMENSIONS B D D C F T G A P 21 16 8 7 8 +.

10 06 24 29 16 8 1 +.06 27 31 8 8 11 8 +.06 35 41 16 8 1 +.06 39 51 8 8 1 +.06 44 71 16 12 13 8 +.06 46 9 12 15 8 +.09 50 11 12 17 8 +.09 54 Basic Thicknessof FlangeGENERAL NOTES: Dimensions are in inches. Minimum Bolt Hole Tolerance is - 6BX INTEGRAL FLANGES FOR 2000, 3000, and 5000 psi RATED WORKING PRESSUREN ominal Size andBore of FlangeMaximum BoreOutside Diameter ofFlangeToleranceMaximum ChamferDiameter of Raised FaceTotal Thickness of FlangeSmall Diameter of HubLength of HubRadius of HubDiameter of Bolt CircleNumber of BoltsDiameter of BoltsDiameter of Bolt HolesBolt Hole Tolerance (see note)