2/2, 3/2 и 4/2 directional seat Клапан с механический приводом M-.SMR

Описание Типоразмер 10, 6 Серия 3X Максимальное рабочее давление 420 / 630 бар Максимальный расход 40 л/мин Особенности Direct operated directional седельный клапан with mechanical actuation Присоединительный размер согласно DIN24340, form A ( without locating hole) Safe switching also with longer standstill periods under pressure Operating methods: mechanical (roller plunger) Индуктивный датчик положения (contactless), optional Описание продукта 2/2 and 3/2 directional седельный клапан The directional valve of the M-.SMR type is a directional седельный клапан with manual, mechanical actuation. It controls start, stop and direction of flow and basically comprises of the housing (1), type of actuation (2), the hardened valve system (3) as well as the ball/the spool (4) as closing element. Basic principle In исходное положение, the ball/the spool (4) is pressed onto the seat by the spring (7), and by the relevant type of actuation (2) in the рабочее положение. The actuation force acts via the ball (5) on the actuating plunger (6) that is sealed on two sides. The chamber between the two sealing elements is connected to port P. Therefore, the valve system (3) is pressure-compensated in relation to the actuating forces (actuation or return spring). Therefore, the valves может быть used up to 630 бар. Примечание! 3/2-directional seat valves feature "negative spool overlap". Therefore, port T must always be connected. That means that during the switching process – from the start of the opening of one valve seat to the closure of the other valve seat – ports P–A–T are connected with each other. However, this process takes place within such a short time that it is irrelevant in nearly all cases of use. Внимание! It is to be ensured that the maximum flow indicated is not exceeded! If applicable, a throttle insert for flow limitation is to be inserted (see functional description). The seat arrangement offers the following options: 2/2 directional седельный клапан Условное обозначение “P” Initial position P and T connected Положение золотника P blocked Условное обозначение “N” Initial position P blocked Положение золотника P and T connected 3/2 directional седельный клапан Условное обозначение “U” Initial position P and A connected, T blocked Положение золотника P blocked, A and T connected Условное обозначение “C” Initial position P blocked, A and T connected Положение золотника P and A connected, T blocked Тип M-2S.. 6 N… Тип M-3S.. 6 U… 4/2 directional седельный клапан With a sandwich plate, the Plus-1 plate, under the 3/2 directional седельный клапан, функция a 4/2 directional седельный клапан is achieved. Function of the Plus-1 plate: Initial position The main valve is not operated. The spring (9) holds the ball (4.1) on the seat (11). Port P is blocked and A is connected to T. Apart from that, one control line is connected from A to the large area of золотник управления (12), which is thus unloaded to the tank. The pressure applied via P now pushes the ball (13) onto the seat (14). Now, P is connected to B, and A to T. Transition position When основной клапан is actuated, the spool