Page 271 - API 0415 ENG
P. 271

Valves series A1

1/4”, 5/2 - 5/3, electrically operated

Standard executions

Version                      Symbol          Code Item
                                            034111 A1E250
                             42

        5/2              14           12
solenoid/spring
                             513

         5/2         14           42
solenoid/solenoid
                                           12 034121 A1E251
5/3 with closed      14
                                 51 3
centres
                              42
5/3 with open        14
                                            12 034131 A1E270
centres
                             513
  5/3 with           14                                        Series of spool valves, with static seals, high flow, for panel or               2
pressurised                   42
                                                               sub-base mounting.
  centres                                    12 034133 A1E271

         5/2                 5 13                              Coils and connectors are to be ordered separately.
solenoid/spring,
external air pilort      14   42                               For the coils type ASA12...	                    see page 2.200.1

                                            12 034132 A1E272   For the connectors type A122...	                see page 2.210.20

                             51 3

                                    42
                                                12

                                                034035 A1K250

                                   5 13

                                                               For the sub-bases type A1B2...	                 see page 2.85.1

         5/2                      42                           Code key
solenoid/solenoid 14
external air pilort              513  12 034034 A1K251         Series                Actuation         Size    Function
                              42       12 034037 A1K270
5/3 with closed              5 13      12 034038 A1K271        A1 E = electrical                       1 = 1/8” 30 = 3/2 NC
                              42       12 034036 A1K272                     K = e lectrical           2 = 1/4” 31 = 3/2 NO
centres,             14      513
                              42                                                                               32 = 3/2 solenoid/solenoid
external air pilort          5 13                                                    with external

                                                                                     air pilot                 50 = 5/2 solenoid/spring

5/3 with open                                                                                                  51 = 5/2 solenoid/solenoid

centres,             14                                                                                        70 = 5/3 CC

external air pilort                                                                                            71 = 5/3 CO

5/3 with                                                                                                       72 = 5/3 CP

pressurised          14
  centres
                                                                                                                     II 2Gc IIC T5
external air pilort                                                                                                  II 2Dc T100°C

                                                                                                    On request, they can be supplied
                                                                                                      according to 94/9/EC - ATEX

Technical data

Fluid                                 Compressed filtered air with or without lubrication. Lubrication, if started, must be continued.

Pressure range                        Monostable: 1,5 ÷ 10 bar Bistable: 1 ÷ 10 bar  3 position: 2,5 ÷ 10 bar

Temperature range                     -10°C ÷ +60°C

Orifice                               8 mm

Flow                                  1.100 Nl/min at 6 bar with ∆P 1 bar

Minimum external air pressure 1,5 bar

Mounting                              In any position

Manual override                       Bistable

Response time (at 6 bar)              solenoid/spring                                solenoid/solenoid
                                      Energising: 45 ms                              Energising: 21 ms
                                                               De-energising: 19 ms                            De-energising: 21 ms

Materials                             Body:	             Anodised aluminium
                                      Covers:	           Delrin 500
                                      Spool:	            Hard aluminium anodized
                                      Distancers:	       Fortron 1140 L4
                                      Seals:	            Hydrogenated Nitrile Butadiene Rubber (HNBR)

                                                                                                                                        2.73.1
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