Home Product Catalog Pipes BW Fittings SW&THD Fittings Flanges Valves Materials Conversion Contact Us
SW&THD Fittings General
Class Rates
Socket-Welding Fittings
Threaded Fittings
Branch Outlets
Swaged Nipples
SW& THD Unions
Approx Weight

Socket-Welding Fittings 

  Dimensions of Socket-Welding Fittings  ASME B16.11     mm
NPS Socket  Bore   Diameter,  B  Bore Diameter  of Fittings, D
[Note(1)]
Socket Wall Thickness, C
[
Note(2)] 
Body Wall, G  Min
 Depth  of 
Socket,
J
Class Designation Class Designation
 Class Designation 3000 6000 9000 3000 6000 9000
 3000  6000 9000 Avg. Min. Avg. Min. Avg. Min. Min. Min. Min.
 1/8 11.2 7.6 4.8 3.18 3.18 3.96 3.43 2.41 3.15 9.5
  10.8 6.1 3.2                    
 1/4 14.6 10 7.1 3.78 3.3 4.6 4.01 3.02 3.68 9.5
  14.2 8.5 5.6                    
 3/8 18 13.3 9.9 4.01 3.5 5.03 4.37 3.2 4.01 9.5
  17.6 11.8 8.4                    
 1/2 22.2 16.6 12.5 7.2 4.67 4.09 5.97 5.18 9.35 8.18 3.73 4.78 7.47 9.5
  21.8 15 11 5.6                    
 3/4 27.6 21.7 16.3 11.8 4.9 4.27 6.96 6.04 9.78 8.56 3.91 5.56 7.82 12.5
  27.2 20.2 14.8 10.3                    
1 34.3 27.4 21.5 16 5.69 4.98 7.92 6.93 11.38 9.96 4.55 6.35 9.09 12.5
  33.9 25.9 19.9 14.4                    
1 1/4 43.1 35.8 30.2 23.5 6.07 5.28 7.92 6.93 12.14 10.62 4.85 6.35 9.7 12.5
  42.7 34.3 28.7 22                    
1 1/2 49.2 41.6 34.7 28.7 6.35 5.54 8.92 7.8 12.7 11.12 5.08 7.14 10.15 12.5
  48.8 40.1 33.2 27.2                    
2 61.7 53.3 43.6 38.9 6.93 6.04 10.92 9.5 13.84 12.12 5.54 8.74 11.07 16
  61.2 51.7 42.1 37.4                    
2 1/2 74.4 64.2 8.76 7.67 7.01 16
  73.9 61.2                    
3 90.3 79.4 9.52 8.3 7.62 16
  89.8 76.4                    
4 115.7 103.8 10.69 9.35 8.56 19
  115.2 100.7                    


NPS Center to Bottom of Socket, A Laying Lengths Tolerances,+- End Wall Thickess,  Kmin
90° Elbows, Tees,
and Crosses
45° elbows Class Designation
Class Designation Couplings, E Half 
Couplings,
F
A E F 3000 6000 9000
3000 6000 9000 3000 6000 9000
 1/8 11 11 8 8 6.5 16 1 1.5 1 4.8 6.4
                             
 1/4 11 13.5 8 8 6.5 16 1 1.5 1 4.8 6.4
                             
 3/8 13.5 15.5 8 11 6.5 17.5 1.5 3 1.5 4.8 6.4
                             
 1/2 15.5 19 25.5 11 12.5 15.5 9.5 22.5 1.5 3 1.5 6.4 7.9 11.2
                             
 3/4 19 22.5 28.5 13 14 19 12.5 24 1.5 3 1.5 6.4 7.9 12.7
                             
1 22.5 27 32 14 17.5 20.5 12.5 28.5 2 4 2 9.6 11.2 14.2
                             
1 1/4 27 32 35 17.5 20.5 22.5 12.5 30 2 4 2 9.6 11.2 14.2
                             
1 1/2 32 38 38 20.5 25.5 25.5 12.5 32 2 4 2 11.2 12.7 15.7
                             
2 38 41 54 25.5 28.5 28.5 19 41 2 4 2 12.7 15.7 19
                             
2 1/2 41   28.5 19 43 2.5 5 2.5 15.7 19
                             
3 57   32 19 44.5 2.5 5 2.5 19 22.4
                             
4 66.5   41 19 48 2.5 5 2.5 22.4 28.4
                             

Notes:(1),Upper and lower values for each size are the respective maximum and minmum demensions.
            (2),Average of socket wall thickness around periphery shall be no less than listed values.The minmum
            values are permitted in localized areas.


HomeContact UsSitemap