I.D.  | 
    O.D.  | 
    W.P.  | 
    W.P.  | 
    MIN.B.P.  | 
    W.T.  | 
  ||||
Dash  | 
    In.  | 
    mm  | 
    mm  | 
    MPa  | 
    psi  | 
    MPa  | 
    psi  | 
    mm  | 
    g/m  | 
  
-3  | 
    3/16  | 
    4.8  | 
    13  | 
    200  | 
    29000  | 
    600  | 
    87000  | 
    150  | 
    400  | 
  
-4  | 
    1/4  | 
    6.3  | 
    19  | 
    200  | 
    29000  | 
    600  | 
    87000  | 
    170  | 
    365  | 
  
-6  | 
    3/8  | 
    9.5  | 
    20  | 
    200  | 
    29000  | 
    600  | 
    87000  | 
    200  | 
    940  | 
  
-8  | 
    1/2  | 
    12.7  | 
    26  | 
    200  | 
    29000  | 
    600  | 
    87000  | 
    260  | 
    1850  |