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  • Duplomatic PRE* - Pilot Operated Pressure Relief Proportional Valve
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    Duplomatic Oleodinamica designs and produces a complete range of hydraulic components that are suitable for all application sectors of both industrial and mobile fields.
    The Duplomatic PRE* valves are pilot operated pressure relief proportional valves with mounting interface in compliance with ISO 6264 standards (CETOP RP 121H). These valves are normally used to control hydraulic circuit pressure and enable the use of the full flow rate of the pump, even with settings approaching calibrated values. The two-stage design and wide passages ensure reduced pressure drops thereby improving the system energy performance. Pressure can be modulated continuously in proportion to the current supplied to the solenoid. These valves can be controlled directly by a current control supply unit or by means of the relevant electronic control units to exploit valve performance to the full. They are fitted with a manual pressure relief valve which is factory set to ≥15% of the maximum value in the pressure control range. They are available in three sizes for flow rates up to 500 l/min and in four pressure control ranges up to 350 bar.
  • Duplomatic EWM-BUS-DAD - Positioning Card
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    Duplomatic Oleodinamica designs and produces a complete range of hydraulic components that are suitable for all application sectors of both industrial and mobile fields.

    The Duplomatic EWM-SS-DAD Control Card is for the axis synchronization control consists of an interface PLC Profibus DP and axis control cards with interconnection via CanBus. The control consists of a bus adapter EWM-BUS-DAD per the system and one EWM-SS DADmodule for each axis to be controlled, to be ordered separately.

    The EWM-SS-DAD synchronizes the axes through a position sensor, digital SSI type (a high accuracy) or analogue type.

    The synchronization controller correct the speed of the slave axis. Positioning failures during the movement will increase or reduce the slave axis velocity, so the synchronization failure will be compensated.

    The cards are, programmable only via software, with EWMPC software kit, and a laptop.

  • Duplomatic RQM*K*-P - Solenoid Operated Pressure Relief Valve
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    Duplomatic Oleodinamica represents the real alternative in the hydraulics market. Duplomatic’s wide range of products and worldwide service network, grant its users a real competitive advantage.
    The Duplomatic RQM*K-P valves are explosion-proof pressure relief valves, available in ISO 6264 (CETOP RP 121H) subplate mounting version with three nominal sizes for flow up to 500 l/min. They are compliant with ATEX 94/9/EC standards and are suitable for the use in potentially explosive atmospheres, that fall with the ATEX || 2GD (temperatures class T4 or T5). The statement of conformity to the up-mentioned standards is always supplied with the valves. They are available is five versions that allow the unloading of the total flow and selection up to three pressure values by means of a solenoid valve. A low temperature version (up to -40°C) is available also. They are supplied with a hexagonal head adjustment screw. Upon request, it can be equipped with a SICBLOC adjustment knob on the main pressure control. The adjustment of the second and third pressure values is obtained by a pressure relief valve placed between the main stage and the solenoid valve. The valve is supplied with standard surface treatment of phosphating black for the pilot body. Upon request we can supply these valves completely with zinc-nickel surface treatment, suitable to ensure a salt spray resistance up to 600 h.
  • Duplomatic MDT - Solenoid Operated Directional Control Valve - Poppet
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    Duplomatic Oleodinamica represents the real alternative in the hydraulics market. Duplomatic’s wide range of products and worldwide service network, grant its users a real competitive advantage.The Duplomatic MDT Direct-acting control hydraulic valve, CETOP 03, with conical seat seal, for maintaining hydraulic actuators in position. Two-way execution, normally closed, with seal in both directions when solenoid is de-energized. Leakproof solenoids in oil bath, available in AC and DC supply voltages. Tech specs: pmax: 250 bar - Qmax: 25 l/min
  • Duplomatic MVR-RS - Direct Check Valve
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    Duplomatic Oleodinamica represents the real alternative in the hydraulics market. Duplomatic’s wide range of products and worldwide service network, grant its users a real competitive advantage.
    The Duplomatic MVR-RS/P valve is a check valve that incorporates also the function of flow restriction. Made as a modular version with mounting surface according to the ISO 4401 (CETOP RP 121H) standards. Can be quickly assembled under the ISO 4401-03 (CETOP 03) directional solenoid valves and modular valves, without use of pipes and using suitable tie-rods or bolts. Used when it is necessary to control the flow in a direction and to avoid backflows or the self-emptying of the lines in the opposite direction. Control of the flow is obtained with a countersunk hex screw with locking nut.
  • Duplomatic DSE3 - Directional Control Hydraulic Proportional Valves
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    Duplomatic Oleodinamica designs and produces a complete range of hydraulic components that are suitable for all application sectors of both industrial and mobile fields.
    The Duplomatic DSE3 valve is a directly operated directional control proportional valve, CETOP 03, with ports in compliance with ISO 4401 standards (CETOP RP 121H). It is used for directional and speed control of hydraulic actuators. Valve opening and hence flow rate can be modulated continuously in proportion to the current supplied to the solenoid. The valve can be controlled directly by a current control supply unit or by means of the relative electronic control units to exploit valve performance to the full. Also available with manual lever override.
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    Duplomatic Oleodinamica represents the real alternative in the hydraulics market. Duplomatic’s wide range of products and worldwide service network, grant its users a real competitive advantage.
    The PRK10 valve is a pilot operated pressure control valve, cartridge tpe, that can be used in blocks or panels with 7/8-14 UNF-2B (SAE-10) type seat. It is used to control the hydraulic circuit pressure and allows the use of the entire flow of the pump even at pressure values near the set value. It consists of a main balances type spool and a pilot stage. The main spool, normally closed, opens when the circuit pressure exceeds the set valve generated by the pilot stage, discharging the excess flow in port T, directly connected to the tank. Its available in 4 pressure control, ranges from 6 to 350 bar. The PRK10 are supplied with a finishing surface treatment (zinc-nickel) suitable to ensure a salt spray resistance up to 600 h (test according to UNI EN ISO 9227 standards and test evaluation according to UNI EN ISO 10289 standards) The Pressure is adjustable by a socket set screw with locking nut, or by knob.
  • Duplomatic CP1R-W - Roller Operated fast/slow Speed Selection Valve
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    Duplomatic Oleodinamica represents the real alternative in the hydraulics market. Duplomatic’s wide range of products and worldwide service network, grant its users a real competitive advantage.The Duplomatic CP1R*-W valve is used for the selection and control of fast/slow speed of hydraulic axis by mechanical roller operation. The slow working speed adjustment is obtained by using a pressure compensated flow control valve. The special shape of the control openings allows fine adjustment even with very low flow rates. Adjustment of the flow rate is carried out with three turns of the knob that can be locked in any position with a screw. It is available in two configurations:normally open CP1RA, normally closed CP1RC. Supplied with an incorporated check valve that allows free passage of the reverse flow.
  • Duplomatic PRM2 - Direct Operated Pressure Relief Valve
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    Duplomatic Oleodinamica represents the real alternative in the hydraulics market. Duplomatic’s wide range of products and worldwide service network, grant its users a real competitive advantage.
    The Duplomatic  PRM2 valve is a direct operated pressure relief valve made as a modular version with mounting surface according to the ISO 4401 (CETOP RP 121H) standards. It can be assembled with all ISO 4401-02 (CETOP R02) modular valves without use of pipes, using suitable tie-rods or bolts. It is available in versions for single relief on P or B with discharge in T, or two independent relief on A and B with discharge in T, all with three different pressure adjustment ranges. This valve is normally used as a hydraulic circuit pressure limiting device or as a limiting device of the pressure peaks generated during the movement of hydraulic actuators. It is supplied with a countersunk hex adjustment screw and locking nut. P max 320 bar - Q max 20 l/min
  • Duplomatic P2 - Modular Subplates
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    The Duplomatic P2* series of modular subplates has been designed to make hydraulic circuits and can be used directly on power packs or on any other section of the machine. These subplates are assembled by means of 4 tie-rods with seal seats incorporated in the subplate. The above assembly achieves compact units (including pressure and discharge manifolds): one face per subplate is used for connection to services and the other to mount ISO 4401-03 (CETOP 03) valves. Complex circuits can also be set up using modular valves. The recommended mounting configuration for P2* subplates on hydraulic power packs is with the main axis positioned vertically to obtain the bundle of pipes to utilities in two vertical rows; however assembly is not restricted to this configuration
  • Duplomatic EDC-1 - Digital electronic control unit
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    Duplomatic Oleodinamica designs and produces a complete range of hydraulic components that are suitable for all application sectors of both industrial and mobile fields.
    The Duplomatic EDC-1 connector is a digital amplifier controlling open loop proportional valves. The unit supplies a variable current proportionally to the reference signal and independently of temperature variations or load impedance, with a resolution of 1% on 2600 mA (the full scale value). The PWM stage on the solenoid power supply makes it possible to reduce the valve hysteresis thus optimising control precision. The connector is customizable with different maximum current sizes and switching frequencies (PWM), optimized according to the valve to be controlled. Setting is possible by buttons and display inside the case, or with a notebook by RS232 with the software EDC-PC.
  • Duplomatic PVA - Vane Pump
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    Duplomatic Oleodinamica represents the real alternative in the hydraulics market. Duplomatic’s wide range of products and worldwide service network, grant its users a real competitive advantage.The Duplomatic PVA pumps are variable displacement vane pumps with piloted type hydraulic pressure compensator.
    • They permit instantaneous adjustment of the flow rate according to the circuit requirements.The consequence is that energy consumption is reduced and adequate in every cycle phase.
    • The pumping group is complete with hydrostatic axial compensation distribution plates that improve the volumetric efficiency and reduce wear of the components.
    • The pressure compensator operates with the principle of keeping the cam ring of the pumping group in the eccentric position with use of a piston controlled hydraulically by a pressure pilot stage.
    • When the delivery pressure equals the pressure corresponding to the pilot stage setting, the cam ring is moved toward the center adjusting the flow rate to the plant requirements.
    • In zero flow demand conditions, the pump delivers oil only to compensate any possible bleedings and pilotings, keeping the circuit pressure constant.
    • The compensator response times are very restrained and such as to allow elimination of the pressure relief valve.
    • Also available are the versions with maximum flow adjustment PVA***Q and with the device for selection of two independent pressure values with solenoid valve PVA***M
  • Duplomatic DL5B - DC Solenoid Operated Directional Control Valve
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    Duplomatic Oleodinamica represents the real alternative in the hydraulics market. Duplomatic’s wide range of products and worldwide service network, grant its users a real competitive advantage.
    The Duplomatic DL5B direct acting, subplate mounting directional control hydraulic valve, CETOP 05, with mounting surface according to ISO 4401 (CETOP RP 121H) standards. The valve is suitable for special applications, guaranteed by the reduced solenoid dimensions. The valve body is made with high strength iron castings provided with wide internal passages in order to minimize the flow pressure drop. Wet armature solenoids with interchangeable coils are used. The valve is supplied with 3 or 4 way designs and with several interchangeable spools with different porting arrangements. The valve is available with DC current solenoids only. Tech Specs: pmax 320 bar - Qmax 125 l/min
  • Duplomatic PCM3 - Two and Three Way Pressure Compensator
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    Duplomatic Oleodinamica represents the real alternative in the hydraulics market. Duplomatic’s wide range of products and worldwide service network, grant its users a real competitive advantage.
    The Duplomatic PCM3 valve is a two or three-way pressure compensator, developed as a modular version with mounting surface according to the ISO 4401 (CETOP RP121H). Its aim is to keep the pressure drop setting (characteristic ∆p) between the line P and alternatively the lines A and B, at a constant level. It is normally used together with proportional directional valves, in order to control the flow rate independently of the pressure variations.
    The selection of the piloting pressure on the lines A and B is carried out automatically via a shuttle check valve built into the compensator. The setting of the variable adjustment compensator (characteristic ∆p) can be varied from 7 to 33 bar, via a countersunk hex adjustment screw or via an adjustment knob. The fixed adjustment compensator is available with setting (characteristic ∆p) of 4 and 8 bar.
  • Duplomatic MZE - Pilot Operated Pressure Reducing Proportional Valve
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    Duplomatic Oleodinamica designs and produces a complete range of hydraulic components that are suitable for all application sectors of both industrial and mobile fields.
    MZE valves are 3-way pilot operated pressure reducing proportional valves, designed as modular versions with mounting interface in compliance with ISO 4401 (CETOP RP121H) standards. The valves are used to reduce pressure in the secondary circuit branches thus ensuring stability of controlled pressure in the event of variations of the flow rate through the valve. Pressure can be modulated continuously in proportion to the current supplied to the solenoid. The valve can be controlled directly by a current control supply unit or by an electronic control unit, to exploit valve performance to the full. The valve is available in three different pressure reduction ranges of up to 230 bar. The valve is available only with internal drain to the T line inside the valve.
  • Duplomatic EWM-P-AA - Positioning Card
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    Duplomatic Oleodinamica designs and produces a complete range of hydraulic components that are suitable for all application sectors of both industrial and mobile fields.

    The EWM-P-AA is used to closed loop control of pressure reducing and pressure relief valves. The card integrates also an embedded power amplifier for a direct control of proportional valves.

    This card works as a bypass control module. The command value is directly transferred to the control output (pressure valve) and the closed loop compensates only the linearity failures. In most of cases the optimization is possible without any measuring instruments (only one manometer is necessary).

    The card allows to set the following parameters: ramp up, ramp down, PID parameters, dither, frequency and amplitude, PWM, maximum and minimum pressure.

    The card use the RS232C interface, and is settable via notebook, using the software kit (EWMPC).

  • Duplomatic ZP - Pressure Reducing Valve
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    Duplomatic Oleodinamica represents the real alternative in the hydraulics market. Duplomatic’s wide range of products and worldwide service network, grant its users a real competitive advantage. The Duplomatic Z*-P type valves are used when a branch with a lower pressure than the main one is desired in the hydraulic circuits. Being normally open, they allow passage of oil up to the point when the outlet pressure is less than that set on the valve; the valve closes and keeps the outlet pressure constant when it reaches the set value. The intake pressure fluctuation, for values greater than the set values, does not affect the reduced outlet pressure, and furthermore the particular design of the valve prevents exceeding the set value even in transients. The drainage, to be connected directly to the tank, discharges about 0,8 l/min. The valves are available, upon request, with reduced drainage (0,4 l/min). Available even with incorporated check valve upon request, with cracking pressure of 0,5 bar.
  • Duplomatic KT08 - Cartridge Solenoid Valve
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    Duplomatic Oleodinamica represents the real alternative in the hydraulics market. Duplomatic’s wide range of products and worldwide service network, grant its users a real competitive advantage.
    The Duplomatic KT08 is a 2-ways solenoid valve, poppet type, cartridge execution, available in normally closed version (NC) and normally open version (NO) with nominal flow rate of 50 l/min. It ensures a low internal leakage, which decreases while the pressure increases. The valve can be ordered with direct current or rectified current solenoids and with five different types of electrical connections, in order to cover many installation requirements. For every version, the emergency manual override is an available option. Tech specs: pmax: 350 bar - Qmax: 50 l/min
  • Duplomatic MVPP - Pilot Operated Check Valve
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    The Duplomatic MVPP check valve (spring closing and cone on edge seals) with a built-in flow control feature. The mounting surface is according to the ISO 4401 (CEPTOP RP 121H) standards.
    Features
  • Prevention of Flow One-Way
  • Flow in One-Way, if opened by a Pilot Pressure
  • Free Flow in the Other Way

  • The MVPP are always mounted under the ISO 4401-03 (CETOP 03) directional solenoid valves and can be assembled with all other ISO 4401-03 (CETOP 03) valves.
    Details
  • Duplomatic DSE3B - Directional Control Hydraulic Proportional Valve
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    Duplomatic Oleodinamica designs and produces a complete range of hydraulic components that are suitable for all application sectors of both industrial and mobile fields.
    The Duplomatic DSE3B is a directly operated directional control proportional valve,
    CETOP 03
    , with ports in compliance with ISO 4401-03 standards (CETOP RP 121H). It is used for directional and speed control of hydraulic actuators. Valve opening and hence flow rate can be modulated continuously in proportion to the current supplied to the solenoid. The valve can be controlled directly by a current control supply unit or combined with an external electronic card to exploit valve performance to the full. Price optimization for high quantity supplies.
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    Duplomatic Oleodinamica represents the real alternative in the hydraulics market. Duplomatic’s wide range of products and worldwide service network, grant its users a real competitive advantage. The DBV valve is a direct operated pressure control valve cartridge type that can be used in blocks or panels with seat. It is normally used to control the maximum pressure in the hydraulic circuits or as a limiting device for pressure peaks generated during hydraulic actuator movement variation. It is available in different pressure control ranges up to 300 bar. The circuit pressure acts on the shutter which is directly loaded by a spring on the opposite side. Once the set pressure is reached, the shutter opens, and discharges the excess flow in port T connected directly to the reservoir. The pressure can be adjusted by a screw, equipped with locking nut and maximum adjustment limiter.
  • Duplomatic K4WA/C - Deceleration Valve
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    Duplomatic Oleodinamica represents the real alternative in the hydraulics market. Duplomatic’s wide range of products and worldwide service network, grant its users a real competitive advantage.
    The Duplomatic K4WA/C valve is a mechanically operated decelerating valve with BSPP threaded ports for in-line mounting on hydraulic lines. It is normally used to change the movement speed of the hydraulic axis, such as changing from fast to slow, or for slow stops. The valve is normally open in the free condition and allows free flow passage from port P to port A. The flow is partially or completely shut off byoperating the mechanical drive of the valve. It is always supplied with a built in check valve that allows reverse free flow from port A to port P.
  • Duplomatic MCD - Direct Operated Pressure Relief Valve
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    Duplomatic Oleodinamica represents the real alternative in the hydraulics market. Duplomatic’s wide range of products and worldwide service network, grant its users a real competitive advantage.
    The Duplomatic MCD valve is a direct operated pressure relief valve made as a modular version with mounting surface according to the ISO 4401 (CETOP RP 121H) standards. It can be assembled with all ISO 4401-03 (CETOP 03) modular valves without use of pipes, using suitable tie-rods or bolts. It is available in versions for single adjustment on one control line, or dual on two control lines and with four different pressure adjustment ranges. This valve is normally used as a hydraulic circuit pressure limiting device or as a limiting device of the pressure peaks generated during the movement of hydraulic actuators. It is normally supplied with a hexagonal head adjustment screw, locking nut and limitation of the maximum adjustment travel.
  • Duplomatic VPPL - Variable Displace Piston Pump
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    The Duplomatic VPPL are variable displacement axial-piston pumps with variable swash plate, suitable for applications with open circuits and intermediate pressures.
  • They are available in seven nominal sizes, with displacements of 8, 16, 22, 36, 46, 70 and 100 cm3/rev.
  • The pump flow rate is proportional to the rotation speed and to the angle of the swash plate, which can be continuously modulated.
  • The maximum and minimum angle can be limited mechanically via suitable regulating screws.
  • They are usually supplied with a SAE J744 2-hole flange and a SAE J744 cylindrical with key shaft.
  • They are available with four different types of regulating control, each according to the application needs.
  • Details
  • Duplomatic EDM-M - Digital Amplifier for Open Loop Proportional Valves
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    Duplomatic Oleodinamica designs and produces a complete range of hydraulic components that are suitable for all application sectors of both industrial and mobile fields.

    The Duplomatic EDM-M* card is a digital amplifier for open loop proportional valves control. It is designed for rail mounting type: DIN EN 50022.

    The unit supplies a variable current in proportion to the reference signal and independently of temperature variations or load impedance.

    The PWM stage on the solenoid power supply allows the reduction of the valve hysteresis, thus optimising control precision. The unit is available in three main versions, to control single solenoid valves (M1), double solenoid valves (M2) and valves with two independent channels controlling two single solenoid valves (M3). Each version is available with different maximum current settings and switching frequencies (PWM), optimised according to the relevant valve.

    The parameters adjustment is carried out either through keyboard and display, placed on the front panel, or with a notebook, via RS232 or via USB converter (EDMPC/20 software).

  • Duplomatic VPPM - Piston Pump
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    Duplomatic Oleodinamica represents the real alternative in the hydraulics market. Duplomatic’s wide range of products and worldwide service network, grant its users a real competitive advantage.The Duplomatic VPPM pumps are variable displacement axial-piston pumps with variable swash plate, suitable for applications with open circuits.
    • They are available in three different frame sizes with maximum displacements up to 29, 46, 73 and 87cm3/rev.
    • The pump flow rate is proportional to the rotation speed and to the angle of the swash plate, which can be continuously modulated. The maximum and minimum angle can be limited mechanically via suitable regulating screws.
    • The pumps feature medium-high working pressures (up to 280 bar constant and 350 bar peak). Thanks to some particular design features, these pumps are able to bear high axial and radial loads on the shaft.
    • They are usually supplied with a ISO 3019/2 mounting flange, with the exception of the rear and intermediate pumps, if multiple pumps, which are only available with a SAE J744 2-holes flange and a SAE J744 splined shaft.
    • They are available with seven different types of regulating control, each according to the application needs.
  • Duplomatic DD44 - Solenoid Operated Directional Control Valve
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    Duplomatic Oleodinamica represents the real alternative in the hydraulics market. Duplomatic’s wide range of products and worldwide service network, grant its users a real competitive advantage.
    The Duplomatic DD44 is used to switch multiple flow directions or to select pressure values. The oil passage holes pass right through the entire valve body and due to this particular design feature, the DD44 can be assembled with all ISO 4401-05 (CETOP 05) modular valves. The special connection of this hydraulic valve in parallel to the P, T, A and B lines of the circuit allows easy construction of different hydraulic configurations, reducing pressure drops to a minimum.
  • Duplomatic PCM8 - Two and Three Way Pressure Compensator
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    Duplomatic Oleodinamica represents the real alternative in the hydraulics market. Duplomatic’s wide range of products and worldwide service network, grant its users a real competitive advantage. The PCM8 valve is a two or three-way pressure compensator, developed as a modular version with mounting surface according to ISO 4401 (CETOP RP 121H). Its function is to keep the pressure drop setting (characteristic ∆p) between the line P and alternatively the lines A and B at a constant level. Normally used together with proportional directional valves, in order to control the flow rate independently of the pressure variations. The selection of the piloting pressure on the lines A and B is carried out automatically via a shuttle check valve built into the compensator. They are available with fixed adjustment (characteristic ∆p) of 4 and 8 bar. The load sensing port can also be used as pressure gauge port or as remote pressure control.
  • Duplomatic ZDE3G - Pressure Reducing Proportional Valve - OBE
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    Duplomatic Oleodinamica designs and produces a complete range of hydraulic components that are suitable for all application sectors of both industrial and mobile fields.
    The Duplomatic ZDE3G are direct operated pressure proportional valves with integrated electronics, CETOP 03 and mounting interface in compliance with ISO 4401 (CETOP RP121H) standards. The valves are used to reduce pressure in the secondary circuit branches thus ensuring stability of controlled pressure in the event of variations of the flow rate through the valve. They are controlled directly by an integrated digital amplifier.
  • Duplomatic EWM-PQ-AA - Positioning Card
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    The EWM-PQ-AA has been developed as a classic p/Q controller but it work well also with high response valves via an analogue command input for pressure and flow. The p/Q controller automatically switches between Q and p control modes to assure that the set point limits for P has not to exceed. The pressure feedback is analogue type. The card use the RS232C interface, and is settable via notebook, using the software kit EWMPC.