model  | 
    ISO18752  | 
    Inner diameter of hose   | 
    Outer diameter of hose   | 
    Working pressure    | 
    Minimum burst pressure   | 
    Minimum bending radius   | 
    Weight   | 
    Connector series  | 
  ||
6991standard tube  | 
    6991AR wear-resistant tube AR  | 
    6991 super wear-resistant tube SAR  | 
  ||||||||
SA6991-1/2"-1  | 
    AC  | 
    AC  | 
    AC  | 
    13.0  | 
    20.7  | 
    18  | 
    72  | 
    80  | 
    0.419  | 
    31series  | 
  
SA6991-5/8"-1  | 
    AC  | 
    AC  | 
    AC  | 
    16.0  | 
    24.0  | 
    15  | 
    60  | 
    105  | 
    0.515  | 
    31series  | 
  
SA6991-3/4"-1  | 
    AC  | 
    AC  | 
    AC  | 
    19.0  | 
    28.0  | 
    14  | 
    56  | 
    120  | 
    0.661  | 
    31series  | 
  
SA6991-1"-4  | 
    CC  | 
    CC  | 
    CC  | 
    25.0  | 
    33.5  | 
    14  | 
    56  | 
    150  | 
    0.998  | 
    31series  | 
  
SA6991-1 1/4"-4  | 
    CC  | 
    CC  | 
    CC  | 
    32.0  | 
    43.0  | 
    14  | 
    56  | 
    190  | 
    1.395  | 
    31series  | 
  
SA6991-1 1/2"-4  | 
    CC  | 
    CC  | 
    CC  | 
    38.0  | 
    48.0  | 
    9  | 
    36  | 
    240  | 
    1.577  | 
    31series  | 
  
SA6991-2"-4  | 
    CC  | 
    CC  | 
    CC  | 
    51.0  | 
    62.5  | 
    8  | 
    32  | 
    500  | 
    2.341  | 
    31series  |