Page 481 - Softbound_Edition_19_en
P. 481

Poppet valve
                                                                                             Poppet valve cartridge


            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
                                                                                                            Page 481
   476   477   478   479   480   481   482   483   484   485   486