Description Size 0 Component series A Maximum operating pressure 350 bar Maximum flow 20 l/min Features Two different mounting cavities, R/B or R/C Direct operated directional seat valve with solenoid actuation, tight on both sides Blocked port tight in a leak-free form Reliable switching even after longer periods of standstill Wet-pin DC solenoids Solenoid coil can be rotated Product description General The 2/2 directional seat valves are direct operated, pressure-compensated screw-in cartridge valves. They basically consist of a screw-in section (4) with valve seat (1), solenoid (5) as well as closing element (3) and compression spring (2). Function The initial position of the valve (normally open "P" or normally closed "N") is determined by the position of the closing element (3) and the arrangement of the compression spring (2). Due to the structural design, the 2/2 directional seat valves are always pressure-compensated in relation to the actuating forces. The main ports ➀ and ➁ can be loaded with an operating pressure of 350 bar (see Technical data). At symbol "P", the closing element (3) is pressed onto the seat by the solenoid (5), with symbol "N" by the compression spring (2). The flow is blocked in a leak-free manner. The manual override allows for the switching of the valve without solenoid energization. It is available in concealed version "N9" (6) or in screwable version "N11" (7) (see ordering codes). The screwable manual override (7) is to be screwed back into the initial position after actuation. Version "K4" (with mating connector) Type KSDER0PA/BN0V Version "C4" Version "K40" Type code (valve without coil) 1) 01 02 03 04 05 06 07 08 09 KSDE R 0 A / V * 01 Directional seat valve, direct operated, electrically operated KSDE 02 Maximum operating pressure 350 bar R 03 Component size 0 04 2 main ports Symbols Normally closed N Normally open P 05 Component series A 06 High Performance and mounting cavity R/B (see Mounting cavity) B High Performance and mounting cavity R/C (see Mounting cavity) C 07 Without manual override N0 With concealed manual override N9 With screwable manual override N11 Symbol N Symbol P N0 N9 N11 N0 N9 N11 X – X X X 2) – Seal material 08 FKM seals (other seals upon request) V Observe compatibility of seals with hydraulic fluid used. 09 Further details in the plain text * 1) Complete valves with mounted coil available on request 2) Screwable manual override “N10” (actuation by means of internal hexagon with lock nut), possible as separate order, material no. R901051231 ; ordering code “N9” ! Technical data general Size 0 Weight Valve kg 0.3 Coil kg 0.25 Installation position any Ambient temperature range °C -40 … +110 hydraulic Size 0 Maximum operating pressure bar 350 Maximum flow 1) l/min 20 Hydraulic fluid see table Hydraulic fluid temperature range °C -40 … +80 Viscosity range mm²/s 5 … 1000 Ideal mm²/s 10 … 100 Maximum admissible degree of contamination of the hydraulic fluid, cleanliness class according to
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