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Dimensions Ring Joint Facings

Nominal Size Groove Dimensions Diameter of Raised Portion, K
Class 150 NPS Class 300 NPS Class 400 NPS Class 600 NPS Class 900 NPS Class 1500 NPS Class 2500 NPS Groove Number Pitch Diameter, P Depth, E Width, F Radius at Bottom, R Class 150 NPS Class 300,  600 NPS Class 900 NPS Class 1500 NPS Class 2500 NPS
_  1/2 _  1/2 _ _ _ R11 34.14 5.54 7.14 0.8   51.0      
_ _ _ _ _  1/2 _ R12 39.67 6.35 8.74 0.8       60.5  
_  3/4 _  3/4 _ _  1/2 R13 42.88 6.35 8.74 0.8   63.5     65.0
_ _ _ _ _  3/4 _ R14 44.45 6.35 8.74 0.8       66.5  
1 _ _ _ _ _ _ R15 47.63 6.35 8.74 0.8 63.5        
  1 _ 1 _ 1  3/4 R16 50.80 6.35 8.74 0.8   70.0   71.5 73.0
1 1/4 _ _ _ _ _ _ R17 57.15 6.35 8.74 0.8 73.0        
  1 1/4 _ 1 1/4 _ 1 1/4 1 R18 60.33 6.35 8.74 0.8   79.5   81.0 82.5
1 1/2 _ _ _ _ _ _ R19 65.07 6.35 8.74 0.8 82.5        
_ 1 1/2 _ 1 1/2 _ 1 1/2 _ R20 68.27 6.35 8.74 0.8   90.5   92.0  
_ _ _ _ _ _ 1 1/4 R21 72.23 7.92 11.91 0.8         102.0
2 _ _ _ _ _ _ R22 82.55 6.35 8.74 0.8 102.0        
_ 2 _ 2 _ _ 1 1/2 R23 82.55 7.92 11.91 0.8   108.0     114.0
_ _ _ _ _ 2 _ R24 95.25 7.92 11.91 0.8       124.0  
2 1/2 _ _ _ _ _ _ R25 101.60 6.35 8.74 0.8 121.0        
_ 2 1/2 _ 2 1/2 _ _ 2 R26 101.60 7.92 11.91 0.8   127.0     133.0
_ _ _ _ _ 2 1/2 _ R27 107.95 7.92 11.91 0.8       137.0  
_ _ _ _ _ _ 2 1/2 R28 111.13 9.53 13.49 0.8         149.0
3 _ _ _ _ _ _ R29 114.30 6.35 8.74 0.8 133.0        
_ (2) _ (2) _ _ _ R30 117.48 7.92 11.91 0.8          
_ 3 (2) _ 3 (2) 3 _ _ R31 123.83 7.92 11.91 0.8   146.0 156.0    
_ _ _ _ _ _ 3 R32 127.00 9.53 13.49 1.5         168.0
3 1/2 _ _ _ _ _ _ R33 131.78 6.35 8.74 0.8 154.0        
_ 3 1/2 _ 3 1/2 _ _ _ R34 131.78 7.92 11.91 0.8   159.0      
_ _ _ _ _ 3 _ R35 136.53 7.92 11.91 0.8       168.0  
4 _ _ _ _ _ _ R36 149.23 6.35 8.74 0.8 171.0        
_ 4 4 4 4 _ _ R37 149.23 7.92 11.91 0.8   175.0 181.0    
_ _ _ _ _ _ 4 R38 157.18 11.13 16.66 1.5         203.0
_ _ _ _ _ 4 _ R39 161.93 7.92 11.91 0.8       194.0  
5 _ _ _ _ _ _ R40 171.45 6.35 8.74 0.8 194.0        
_ 5 5 5 5 _ _ R41 180.98 7.92 11.91 0.8   210.0 216.0    
_ _ _ _ _ _ 5 R42 190.50 12.70 19.84 1.5         241.0
6 _ _ _ _ _ _ R43 193.68 6.35 8.74 0.8 219.0        
_ _ _ _ _ 5 _ R44 193.68 7.92 11.91 0.8       229.0  
_ 6 6 6 6 _ _ R45 211.12 7.92 11.91 0.8   241.0 241.0    
_ _ _ _ _ 6 _ R46 211.14 9.53 13.49 1.5       248.0  
_ _ _ _ _ _ 6 R47 228.60 12.70 19.84 1.5         279.0
8 _ _ _ _ _ _ R48 247.65 6.35 8.74 0.8 273.0        
_ 8 8 8 8 _ _ R49 269.88 7.92 11.91 0.8   302.0 308.0    
_ _ _ _ _ 8 _ R50 269.88 11.13 16.66 1.5   _ _ 318.0 _
_ _ _ _ _ _ 8 R51 279.40 14.27 23.01 1.5   _ _ _ 340.0
10 _ _ _ _ _ _ R52 304.80 6.35 8.74 0.8 330.0 _ _ _ _
_ 10 10 10 10 _ _ R53 323.85 7.92 11.91 0.8   356.0 362.0 _ _
_ _ _ _ _ 10 _ R54 323.85 11.13 16.66 1.5   _ _ 371.0 _
_ _ _ _ _ _ 10 R55 342.90 17.48 30.18 2.4   _ _ _ 425.0
12 _ _ _ _ _ _ R56 381.00 6.35 8.74 0.8 406.0 _ _ _ _
_ 12 12 12 12 _ _ R57 381.00 7.92 11.91 0.8   413.0 429.0 _ _
_ _ _ _ _ 12 _ R58 381.00 14.27 23.01 1.5   _ _ 438.0 _
14 _ _ _ _ _ _ R59 396.88 6.35 8.74 0.8 425.0 _ _ _ _
_ _ _ _ _ _ 12 R60 406.40 17.48 33.32 2.4   _ _ _ 495.0
_ 14 14 14 _ _ _ R61 419.10 7.92 11.91 0.8   457.0 _ _ _
_ _ _ _ 14 _ _ R62 419.10 11.13 16.66 1.5   _ 467.0 _ _
_ _ _ _ _ 14 _ R63 419.10 15.88 26.97 2.4   _ _ 489.0 _
16 _ _ _ _ _ _ R64 454.03 6.35 8.74 0.8 483.0 _ _ _ _
_ 16 16 16 _ _ _ R65 469.90 7.92 11.19 0.8   508.0 _ _ _
_ _ _ _ 16 _ _ R66 469.90 11.13 16.66 1.5   _ 524.0 _ _
_ _ _ _ _ 16 _ R67 469.90 17.48 30.18 2.4   _ _ 546.0 _
18 _ _ _ _ _ _ R68 517.53 6.35 8.74 0.8 546.0 _ _ _ _
_ 18 18 18 _ _ _ R69 533.40 7.92 11.91 0.8   575.0 _ _ _
_ _ _ _ 18 _ _ R70 533.40 12.70 19.84 1.5   _ 594.0 _ _
_ _ _ _ _ 18 _ R71 533.40 17.48 30.18 2.4   _ _ 613.0 _
20 _ _ _ _ _ _ R72 558.80 6.35 8.74 0.8 597.0 _ _ _ _
_ 20 20 20 _ _ _ R73 584.20 9.53 13.49 1.5   635.0 _ _ _
_ _ _ _ 20 _ _ R74 584.20 12.70 19.84 1.5   _ 648.0 _ _
_ _ _ _ _ 20 _ R75 584.20 17.48 33.32 2.4   _ _ 673.0 _
24 _ _ _ _ _ _ R76 673.10 6.35 8.74 0.8 711.0 _ _ _ _
_ 24 24 24 _ _ _ R77 692.15 11.13 16.66 1.5   749.0 _ _ _
_ _ _ _ 24 _ _ R78 692.15 15.88 26.97 2.4   _ 772.0 _ _
_ _ _ _ _ 24 _ R79 692.15 20.62 36.53 2.4   _ _ 794.0 _
_ 26 26 26 _ _ _ R93 749.30 12.70 19.84 1.5 810.0
_ 28 28 28 _ _ _ R94 800.10 12.70 19.84 1.5 861.0
_ 30 30 30 _ _ _ R95 857.25 12.70 19.84 1.5 917.0
_ 32 32 32 _ _ _ R96 914.40 14.27 23.01 1.5 984.0
_ 34 34 34 _ _ _ R97 965.20 14.27 23.01 1.5 1035.0
_ 36 36 36 _ _ _ R98 1022.35 14.27 23.01 1.5 1092.0
_ _ _ _ 26 _ _ R100 749.30 17.48 30.18 2.3 832.0
_ _ _ _ 28 _ _ R101 800.10 17.48 33.32 2.3 889.0
_ _ _ _ 30 _ _ R102 857.25 17.48 33.32 2.3 946.0
_ _ _ _ 32 _ _ R103 914.40 17.48 33.32 2.3 1003.0
_ _ _ _ 34 _ _ R104 965.20 20.62 36.53 2.3 1067.0
_ _ _ _ 36 _ _ R105 1022.35 20.62 36.53 2.3 1124.0
Basic requirements for Material and Fitting

Requirements are valid for normal case, in special case you have to contact the technical department.

Slip-On Flanges, SO Flange
Common flange types
Anchor flange
Specialty flange
150LB Carbon steel forged flange
Material Grades
Custom pipe flanges can be manufactured from a wide variety of material grades.




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