I.D.  | 
    O.D.  | 
    W.P.  | 
    W.P.  | 
    MIN.B.P.  | 
    W.T.  | 
  ||||
Dash  | 
    In.  | 
    mm  | 
    mm  | 
    MPa  | 
    psi  | 
    MPa  | 
    psi  | 
    mm  | 
    g/m  | 
  
-4  | 
    1/4  | 
    6.3  | 
    15  | 
    69  | 
    10000  | 
    207  | 
    30000  | 
    110  | 
    255  | 
  
-5  | 
    5/16  | 
    7.9  | 
    17  | 
    69  | 
    10000  | 
    207  | 
    30000  | 
    130  | 
    310  | 
  
-6  | 
    3/8  | 
    9.5  | 
    19  | 
    69  | 
    10000  | 
    207  | 
    30000  | 
    150  | 
    375  | 
  
-8  | 
    1/2  | 
    12.7  | 
    22  | 
    69  | 
    10000  | 
    207  | 
    30000  | 
    200  | 
    570  |