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Poppet valve



                                                                                                                                   Solenoid operated poppet valve cartridge
                                                                                                                                    ◆  direct operated                                  M18 x 1,5
                                                                                                                                    ◆  intrinsically safe                               ISO 7789
                                                                                                                                    ◆  2/2- and 3/2-way                                                    Ex ia I Ma
                                                                                                                                    ◆  Q  = 8 l/min                                                        Ex ia II T5 / T6 Ga
                                                                                                                                       max
                                                                                                                                    ◆  p   = 250 bar
                                                                                                                                       max                                                 xII 1 G Ex ia II C T6, T5
                                                                                                                                                                                           xI M1  Ex ia I Ma


                                                                                                                                   DESCRIPTION                                          APPLICATION
                                                                                                                                   Direct operated 2/2- and 3/2-way solenoid poppet valve in screw-in   Wandfluh  solenoid  operated  poppet  valve  cartridges  are  used
                                                                                                                                   cartridge construction for cavity according to ISO 7789.  By means   where tight closing functions are essential like leakage-free load
                                                                                                                                   of  the  pressure  tight  switching  solenoid,  the  pressure  compen-   holding, clamping or gripping. For machining the cartridge cavity in
                                                                                                                                   sated, metallically sealing poppet spool is either opened or closed.   steel  and  aluminum  blocks,  cavity  tools  are  available  (hire  or


                                                                                                                                   The seat spool guide is sealed by means of an O-ring.  The rotable,   purchase). Please refer to the data sheets in register 2.13.
                                                                                                                                   easy  exchangable  slip-on  coil  can  be  supplied  in  two  different


                                                                                                                                   executions.
                                                                                                                                   SYMBOL
                                                                                                                                   „Normally open“ AB      „Normally closed“ BA          FG
                                                                                                                                              2                       2                           2

                                                                                                                                     a               b       a               b            a               b
                                                                                                                                              1                       1                           3   1






                                                                                                                                   TYPE CODE
                                                                                                                                                                                                   S  D  Z  PM18  -     -     /     /     -     #
                                                                                                                                    Poppet valve
                                                                                                                                    Direct operated

                                                                                                                                    Explosion proof, Ex ia
                                                                                                                                    Screw-in cartridge M18 x 1,5

                                                                                                                                    Designation of symbols acc. to table
                                                                                                                                    Coil resistance        100 Ohm   100
                                                                                                                                                           152 Ohm   152

                                                                                                                                    Equipment group        I (Mining)   Z319   only in combination with coil resistance 100 Ω
                                                                                                                                                           II (Surface)   T6

                                                                                                                                    Connection execution              D
                                                                                                                                                                      K

                                                                                                                                    Sealing material       NBR
                                                                                                                                                           FKM (Viton)   D1
                                                                                                                                    Design index (subject to change)
                                                                                                                                    1.11-2054










                                                                                                                                                   www.wandfluh.com  Illustrations are not binding  Data subject to change  1/4  Edition: 22 15  1.11-2054 E
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