VDP08 - SECTIONAL DIRECTIONAL CONTROL VALVE PRESSURE COMPENSATED Technical catalogue sajamj tj

LOAD SENSING DIRECTIONAL CONTROL VALVE VDP08 End plate AVAILABLE CODES AND CIRCUITS "U12" end plate intgrtes the reducing pressure valve (PRV) which draws "P" signal, when reducing it to a pressure of approx. 10to28 bar, sending it to "EC" circuit for feeding the electro-hydraulic controls. The by-pass valve can exclude the reducing pressure valve (PRV) and the electronic devices. 12Vcc-codeU13 24 Vcc-codeU14 NORMALLY OPEN 12Vcc-codeU15 24 Vcc-codeU16 FITTING WITH SHUTTLE VALVE DIN43650-A/ISO 4400 18±0.1 SPECIFICATIONS - MAX PRESSURE IN "P1 207 bar - MAX FLOW "lOfrnin - OIL LEAKAGE 82 cc/min...

Spool control LOAD SENSING DIRECTIONAL CONTROL VALVE VDP08 COMMERCIAL CODES Pneumatic proportional control 40 0*> ON-OFF electro-pneumatic control 12Vdc ON-OFF electro-pneumatic control 24 Vdc 4 Pag. 30 *f EO.03.0409.02.03 For more information, pis. visit our web site: www.salami.it

LOAD SENSING DIRECTIONAL CONTROL VALVE VDP08 Spool control ASSEMBLING COMPONENTS I A-mechanicalinterface. .In this type of valve the piloting Unes "Ppand Tp" are built-into the casting, for this reason we can assemble the pressure reducing valve "C", the filter "D" and the safety venting valve "B"directly on the end cover.Moreover VDP08 doesn't need of a servo-piston to slide the spool on the working positions, in this valve the Pp line acts directly on the area made by the spool diameter.ln order to send the Pp line at the other spool side, the casting is pre-arranged with the cavity "E".ln...

Spool control LOAD SENSING DIRECTIONAL CONTROL VALVE VDP08 COMMERCIAL CODES KE1 Open loop proportional electronic control can be powered with 12 Vdc PROPORTIONAL VALVE SPECIFICATIONS (C1 - C2) Nominal Flow 0,8 GPM (3 LPM) / 6 bar Delta P Max Inlet Pressure "L" version 700 PSI (50 bar) Max Back-pressure at T port 20 bar Internai Leakage 10 ml/min at 500 PSI (35 bar) Viscosity Range 36 to 3000 SSU (3 to 647 cSt) Filtration ISO 18/16/13 Flange mounting screws and torque M4x10 / 3 ft-lbs (4 Nm) COIL SPECIFICATIONS Corrent Supply Characteristics PWM (Puise Width Modulation) Rated Current Range 200...

LOAD SENSING DIRECTIONAL CONTROL VALVE VDP08 Spool control COMMERCIAL CODES KM Closed loop proportional electronic control can be powered from 8 Vdc to 30 Vdc for the other technical features see page 1 WORKING DIAGRAM In the VDP08 assembling the electronic spool positioning transducer slides togheter in axis with the spool. In order to adjust the flow with accuracy, we can reduce the spool stroke with the registers showed here below.ln this case we are able to re-set the electronic board parameters to optimize the voltage signal with the new spool strokes.The working diagram beside shows the...

Spool control LOAD SENSING DIRECTIONAL CONTROL VALVE VDP08 ELECTRIC AND HYDRAULIC CONNECTIONS (DETAILED SCHEME) In the actual release the KM module is powered with 12-24 Volts.ln the analog controlling mode, the +5V necessary to forthe controlling device(potentiometer, fingertip orjoystick) must be provided by an external spcifie board.Pin 1 of KM module must be connected to the board and the outlet from the board must be connected to the potentiometer at point 1 as shown in scheme 1Pin 2 of KM is not connected. Deutsch DTOl Conrictor Power Supply Electroni: Circuit" Board ! u Input Stage | Control...

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