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2.9.3.2 VAM 21 There is limited interchangeability of VAM 21 across the weight range. The different designs types are shown in the table below. If different weights are mixed within each group there will be a step in the bore. Pipe Diameter 9 5/8 9 7/8 10 3/4 11 3/4 11 7/8 13 3/8 40.00 45.50 54.00 61.00 OK to mix same size in these weights OK to mix same size in these weights 43.50 51.00 60.00 67.80 68.00 47.00 55.50 65.00 72.00 53.50 60.70 58.40 62.80 65.70 77.00 65.30 66.40 66.90 Notes: Design 1,2,3 cannot be mixed. 2.9.3.3 DINO VAM There is limited interchangeability of DINO VAM across the weight range. The groups that are interchangeable are shown in the table below. If different weights are mixed within each group there will be a step in the bore. Pipe Diameter 9 5/8 9 3/4 9 7/8 10 3/4 11 3/4 13 3/8 13 5/8 14 16 Design 1 OK to mix same diameter in these weights Design 2 OK to mix same diameter in these weights 36.00 59.20 62.80 40.50 47.00 54.50 88.20 82.50 65.00 40.00 60.20 66.40 45.50 54.00 61.00 86.00 75.00 43.50 67.50 51.00 68.00 93.00 84.00 47.00 68.90 55.50 72.00 94.80 84.80 53.50 70.50 60.70 99.00 58.40 65.70 100.00 106.00 114.00 59.40 66.15 60.00 77.00 94.50 61.10 73.20 65.00 80.70 104.00 64.90 76.10 71.00 85.00 109.00 70.30 79.20 86.00 128.00 71.80 Notes: Design 1,2 cannot be mixed. Errata 24 th August 2011 x
2.9.3.4 Other connections VAM SLIJ II, VAM FJL, VAM MUST, VAM HTF, VAM HW ST, VAM HP are not interchangeable across the weight range. In some other cases there is interchangeability within two weights. Contact Mr. Help in the VAM Services website. 2.9.4 Torque with mixed grades and weight rules. 2.9.4.1 Verifying the weights and grades that can be mixed NOTE: never do extrapolation or interpretation of these tables. Not applicable for VAM SLIJ-II, VAM HTF and VAM 21. READ CAREFULLY THE SCOPE OF APPLICATION. Table 1 applicable only for: ⇨ VAM TOP casing 5” and above ⇨ VAM HW ST for mixed grade only ⇨ VAM FJL for mixed grade only Grade difference (KSI) Weight difference (1) 0 10 20 30 >30 0 1 2 3 >3 If selecting suitable torque value according section 2.9.4.6 If cross-over is highly recommended. If cross-over is mandatory even if there is overlap in the torque figures. Errata xi 24 th August 2011
Page 1 and 2: BOOK Errata - Edition of 1 st May 2
Page 3 and 4: Errata Modifications in the VA
Page 5 and 6: Shadow graphs with final torque as
Page 7 and 8: Page 46, paragraph 3, should read:
Page 9 and 10: The step may cause: ⇨ turbulence
Page 11: VAM TOP Casing interchangeability A
Page 15 and 16: 2.9.4.4 Performance when mixed conn
Page 17 and 18: Theoretical examples: Errata Torque
Page 19 and 20: 2.9.4.7 Specific rules for VAM TOP
Page 21 and 22: 2.9.5 Guideline to select the grade
Page 23 and 24: VAM TOP Page 82-83, the yield stren
Page 25 and 26: Errata Size (OD) inch VAM TOP
Page 31 and 32: Errata VAM TOP TECHNICAL DATA
Page 33 and 34: SIZE (OD) in. mm VAM TOP TORQUE VAL
Page 41 and 42: Size (OD) inch mm Errata VAM TOP HT
Page 43 and 44: Page 130-153, Torques values VAM TO
Page 45 and 46: Size (OD) Errata inch mm VAM TOP HC
Page 47 and 48: VAM TOP HC TORQUE VALUES SIZE NOMIN
Page 49 and 50: VAM FJL Page 206, technical data fr
Page 51 and 52: Errata VAM HP Page 279, technical d
Page 53: Errata li 24 th August 2011

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