1. Standard: DIN 2502, Glatte Flansche 
                                    2. Type:
                                    Plate Flange, Slip on Flange  (Flat   Face without Neck)
                                    3. Pressure: PN16
                                      4. Size: DN15 - DN500, larger Sizes available on request
                                        5. 
                                        Raw Material: C22.8, RSt37.2, S235JRG2, C21, A105
                                          6. Process: Forged or Stamped
                                          
7. Basic requirements for Material and Flange