Page 239 - Bürkert
P. 239

Ordering Chart
                                                                                  Item no.         Item no.
          Electrical       Position        Controlfunction                      Actuator series   Actuator series
          connection       feedback       pilot valve system   Pilot air ports    ELEMENT         CLASSIC
                                                                                  Type 21xx       Type 20xx
          Micro switch feedback  open/    single-acting (NO/NC)  Threaded ports    227 234         227 238
      8690 / 8691      switches  closed  double-acting (springless)  Push-in connector external    227 235   227 239
                        2 micro
          M12 connection
                                                                 G 1/8”
                                          single-acting (NO/NC)
                                                               Ø 6 mm or 1/4”
                                                                                  227 212
                                                           Push-in connector external
                                                                                                     –
                                                               Ø 6 mm or 1/4”
                                               none
                                                           Push-in connector external
                                                               Ø 6 mm or 1/4”     227 197            –
                                               none               none               –             227 200
                        1 micro   open    single-acting (NO/NC)  Threaded ports    227 230           –
                        switch                                   G 1/8”
                                          single-acting (NO/NC)  Push-in connector external    227 231   –
                                                               Ø 6 mm or 1/4”
                                         double-acting (springless)  Push-in connector external    227 210   –
                                                               Ø 6 mm or 1/4”
                                               none        Push-in connector external    227 194     –
                                                               Ø 6 mm or 1/4”
                                               none               none               –             227 200

          Cable gland   2 micro   open/   single-acting (NO/NC)  Threaded ports    227 232         227 236
                       switches  closed                          G 1/8”
                                          single-acting (NO/NC)  Push-in connector external    227 233   227 237
                                                               Ø 6 mm or 1/4”
                                         double-acting (springless)  Threaded ports    –           227 213
                                                                 G 1/8”
                                         double-acting (springless)  Push-in connector external    227 211   –
                                                               Ø 6 mm or 1/4”
                                               none            Threaded ports     227 195            –
                                                                 G 1/8”
                                               none        Push-in connector external    227 196     –
                                                               Ø 6 mm or 1/4”
                                               none               none               –             227 198

                        1 micro   open    single-acting (NO/NC)  Threaded ports    227 228           –
                        switch                                   G 1/8”
                                          single-acting (NO/NC)  Push-in connector external    227 229   –
                                                               Ø 6 mm or 1/4”
                                         double-acting (springless)  Push-in connector external    227 209   –
                                                               Ø 6 mm or 1/4”
                                               none            Threaded ports     233 344            –
                                                                 G 1/8”
                                               none               none               –             228 284




          8691 (other versions on request)
                                                                                    Item no. Cable
          Type                                                                                    Item no. M12
                                                                                   Gland / AS-i Clip
          Inductive                                                                    227 261      227 263

          AS-Interface (Push-in 1/4”)                                                  227 259      227 256
          DeviceNet (Push-in 1/4”)                                                       –          227 257















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