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      Representative office Burkert Contromatic GesmbH Russia
      Leninsky Prospekt , d. 113/1, office E-715
      117198 Moscow
      Телефон +7 495 510 6180
      Факс +7 495 510 6181
      Эл. почта vasb.eh@ohexreg.pbz
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      Bürkert Contromatic G.m.b.H.
      Diefenbachgasse 1-3
      A-1150 Vienna
      Телефон +43 1 8941333
      Факс +43 1 894 1300
      Эл. почта vasb@ohrexreg.ng
    • Дистрибьютор
      St. Petersburg and Northwest Region, Urals FCS & Automatic JSC
      Chapaeva Str. 17
      RU-197101 St.Petersburg
      Телефон +7 812 7404980, 3254277
      Факс +7 812 3203170, 3254277
      Эл. почта spf@ohexreg.fco.eh
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      Moscow Region & Central Russia OOO „Ventar“
      Ul. Tkatskaya d. 1,
      Moscow
      Телефон +7 495 660077 5
      Факс +7 495 646 58 36
      Эл. почта vasb@iragne.eh
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Plunger-type solenoid valves, 3/2-way

Direct-acting 3/2-way solenoid valve, inlet P closed, outlet A vented to R (left), inlet P open to outlet A (right)

Direct-acting 3/2-way plunger-type solenoid valves (e.g. Bürkert Types 6012 and 6014) have three ports and two valve seats. Alternately, one valve seat is always open or closed.
The circuit function of the valve depends on how the ports are "assigned", i.e. how they are connected to the fluid system. In circuit function C (NC), port P (see Figure 2) is connected to the supply which ducts pressurized fluid; port A forms the outlet and port R is the return or venting port. In the de-energized state, a conical spring forces the core (plunger) onto the valve seat 1 and blocks off supply P. Outlet A is connected to return R. After energization, the core is pulled into the solenoid coil, whereby valve seat 2 is sealed off via the spring mounted valve seal 2. The return R is thus shut-off. As the plunger moves upwards, valve seat 1 is also opened and the fluid can flow from P to A. In circuit function D (NO), the return R is normally shut-off.