{"id":2205,"date":"2023-11-01T03:32:55","date_gmt":"2023-11-01T03:32:55","guid":{"rendered":"https:\/\/hydraulic-cylinders.net\/?post_type=product&p=2205"},"modified":"2023-11-01T03:53:47","modified_gmt":"2023-11-01T03:53:47","slug":"4wrz-he-series-pilot-operated-proportional-directional-hydraulic-valve","status":"publish","type":"product","link":"https:\/\/www.hydraulic-cylinders.net\/ro\/produs\/4wrz-he-series-pilot-operated-proportional-directional-hydraulic-valve\/","title":{"rendered":"4WRZ\/H(E) Series Pilot Operated Proportional Directional Hydraulic Valve"},"content":{"rendered":"

4WRZ\/H(E) Series Pilot Operated Proportional Directional Hydraulic Valve<\/strong><\/h1>\n

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The 4WRZ\/H(E) series pilot-operated proportional directional hydraulic valve is a state-of-the-art component designed to provide exceptional precision, control, and efficiency in hydraulic systems. With its advanced pilot-operated proportional control technology, this valve enables accurate flow regulation and seamless directional changes.<\/p>\n

The 4WRZ\/H(E) series pilot-operated proportional directional hydraulic valve empowers hydraulic systems with precise flow control, versatile directional changes, and energy efficiency. Its pilot-operated proportional control technology ensures accurate and responsive flow adjustment, while the high flow capacity guarantees reliable performance even in demanding applications. By following the recommended usage methods and maintenance guidelines, you can maximize the benefits and longevity of the 4WRZ\/H(E) series valve, elevating your hydraulic system to new levels of precision and control. Upgrade your hydraulic setup today and experience the power of the 4WRZ\/H(E) series pilot-operated proportional directional hydraulic valve.<\/p>\n

4WRZ\/H(E) Series Pilot Operated Proportional Directional Hydraulic Valve Key Characteristics:<\/p>\n

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  1. Pilot-Operated Proportional Control<\/li>\n<\/ol>\n
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    • The 4WRZ\/H(E) series valve utilizes pilot-operated proportional control technology, allowing precise and proportional flow adjustment based on control signals.<\/li>\n
    • This feature ensures accurate and responsive control, resulting in improved system performance, reduced energy consumption, and enhanced productivity.<\/li>\n<\/ul>\n
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      1. Versatile Directional Control<\/li>\n<\/ol>\n
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        • This valve offers versatile control over hydraulic fluid direction, making it suitable for a wide range of applications.<\/li>\n
        • It enables seamless activation and deactivation of hydraulic components such as cylinders, motors, and actuators in different directions, enhancing system flexibility and adaptability.<\/li>\n<\/ul>\n
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          1. High Flow Capacity<\/li>\n<\/ol>\n
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            • The 4WRZ\/H(E) series valve is engineered to handle high flow rates, making it ideal for applications that require substantial hydraulic power.<\/li>\n
            • Its robust construction ensures reliable performance even under demanding conditions, providing consistent and efficient flow control.<\/li>\n<\/ul>\n
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              1. Eficien\u021b\u0103 energetic\u0103<\/li>\n<\/ol>\n
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                • By incorporating pilot-operated proportional control, this valve minimizes pressure drops and optimizes energy usage.<\/li>\n
                • It helps reduce energy consumption, resulting in cost savings and environmental benefits.<\/li>\n<\/ul>\n

                  4WRZ\/H(E) Series Pilot Operated Proportional Directional Hydraulic Valve Parameter:<\/strong><\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
                  GeneraL<\/strong><\/td>\n<\/tr>\n
                  Valve type<\/td>\nWRZ<\/td>\nWRZE<\/td>\n<\/tr>\n
                  Instalare<\/td>\nOptional,preferably horizontal<\/td>\n<\/tr>\n
                  Storage temperature range<\/td>\n\u2103<\/td>\n-20 p\u00e2n\u0103 la +80<\/td>\n<\/tr>\n
                  Ambient temperature range<\/td>\n\u2103<\/td>\n-20 \u00a0to +70<\/td>\n-20 to +50<\/td>\n<\/tr>\n
                  Greutate<\/td>\nNS 10<\/td>\nkg<\/td>\n7.8<\/td>\n8<\/td>\n<\/tr>\n
                  NS 16<\/td>\nkg<\/td>\n13.4<\/td>\n13.6<\/td>\n<\/tr>\n
                  NS 25<\/td>\nkg<\/td>\n18.2<\/td>\n18.4<\/td>\n<\/tr>\n
                  NS 32<\/td>\nkg<\/td>\n42.2<\/td>\n42.4<\/td>\n<\/tr>\n
                  Hidraulic\u00a0<\/strong>\u00a0\u00a0 (measured with HLPAG.p=100bar : 40 \u2103 \u00b1 5 \u2103)<\/td>\n<\/tr>\n
                  Dimensiune<\/td>\n10<\/td>\n16<\/td>\n25<\/td>\n32<\/td>\n<\/tr>\n
                  Presiunea de func\u021bionare<\/td>\nPilot valve<\/td>\nExternal pilot oil supply<\/td>\nbar<\/td>\n30 to 100 bar<\/td>\n<\/tr>\n
                  Internal pilot oil supply<\/td>\nbar<\/td>\n100 to 350 with “D3” only<\/td>\n<\/tr>\n
                  Main valve<\/td>\nbar<\/td>\nto 315<\/td>\nto 350<\/td>\nto 350<\/td>\nto 350<\/td>\n<\/tr>\n
                  Return pressure<\/td>\nPort \u00a0T (Port R) (external pilot oil drain))<\/td>\nbar<\/td>\nto 315<\/td>\nto 250<\/td>\nto 250<\/td>\nto 150<\/td>\n<\/tr>\n
                  Port \u00a0T (internal pilot oil drain)<\/td>\nbar<\/td>\nto 30<\/td>\nto 30<\/td>\nto 30<\/td>\nto 30<\/td>\n<\/tr>\n
                  \u00a0Portul Y<\/td>\nbar<\/td>\nto 30<\/td>\nto 30<\/td>\nto 30<\/td>\nto 30<\/td>\n<\/tr>\n
                  Pilot oil volume input signal 0- 100 %<\/td>\ncm3<\/sup><\/td>\n1.7<\/td>\n4.6<\/td>\n10<\/td>\n26.5<\/td>\n<\/tr>\n
                  Pilot oil flow in port X and Y with a stepped input signal 0- 100 %<\/td>\n3.5<\/td>\n5.5<\/td>\n7<\/td>\n15.9<\/td>\n<\/tr>\n
                  Flow of the main valve<\/td>\nL\/min<\/td>\nto 170<\/td>\nto 460<\/td>\n\u00a0 to 870<\/td>\nto 1600<\/td>\n<\/tr>\n
                  Fluid hidraulic<\/td>\nL\/min<\/td>\nMineral oil (HL, HLP) to DIN 51524 Further fluids on enquiry<\/td>\n<\/tr>\n
                  Hydraulic fluid temperature range<\/td>\n\u2103<\/td>\n-20 \u00a0to +80(preferably +40 to +50)<\/td>\n<\/tr>\n
                  Interval de v\u00e2scozitate<\/td>\nmm2<\/sup>\/s<\/td>\n20 \u00a0to 380(preferably 30 to 46)<\/td>\n<\/tr>\n
                  Gradul de contaminare<\/td>\nMaximum permissible degree of contamination of the pressure fluid is to NAS 1638 or ISO 4406(c)<\/td>\nA filter with a minimum retention rate of \u03b2x \u2265 75 is recommended<\/td>\n<\/tr>\n
                  Pilot valve<\/td>\n\u00a0NAS 1638 class 7<\/td>\nx=5<\/td>\n<\/tr>\n
                  Main valve<\/td>\n\u00a0NAS 1638 class 9<\/td>\nx=15<\/td>\n<\/tr>\n
                  Histerezis<\/td>\n%<\/td>\n\u22646<\/td>\n<\/tr>\n
                  Electrical<\/strong><\/td>\n<\/tr>\n
                  Valve type<\/td>\nWRZ<\/td>\nWRZE<\/td>\n<\/tr>\n
                  Type of protection of the valve to EN 60529<\/td>\nIP65 with cable socket mounted and locked<\/td>\n<\/tr>\n
                  Tip de tensiune<\/td>\nDC<\/td>\n<\/tr>\n
                  Command value overlap<\/td>\n%<\/td>\n15<\/td>\n<\/tr>\n
                  Max. current<\/td>\nO<\/td>\n1.5<\/td>\n2.5<\/td>\n<\/tr>\n
                  Solenoid coil resisance<\/td>\nCold value at 20\u2103<\/td>\n\u03a9<\/td>\n4.8<\/td>\n2<\/td>\n<\/tr>\n
                  Valoare maxim\u0103 de \u00eenc\u0103lzire<\/td>\n\u03a9<\/td>\n7.2<\/td>\n3<\/td>\n<\/tr>\n
                  Cyclic duration factor<\/td>\n%<\/td>\n100<\/td>\n<\/tr>\n
                  Temperatura bobinei<\/td>\n\u2103<\/td>\nto 150<\/td>\n<\/tr>\n
                  Protec\u021bie valv\u0103 conform EN 60529<\/td>\nIP65<\/td>\n<\/tr>\n
                  Control electronics<\/strong><\/td>\n<\/tr>\n
                  External amplifier for type WRZ<\/td>\nVT- VSPA2-L2X\/…<\/td>\n<\/tr>\n
                  Semnalul valorii de comand\u0103<\/td>\n-Voltage input “A1”<\/td>\nV.<\/td>\n\u00b110<\/td>\n<\/tr>\n
                  –Current input “F1”<\/td>\nmA<\/td>\n4 to 20<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                  4WRZ\/H(E) Series Pilot Operated Proportional Directional Hydraulic Valve Advantages:<\/strong><\/h2>\n

                  \u2022 Pilot-operated two-stage proportional directional valve, used to control the size and direction of the liquid flow
                  \n\u2022 Threaded connection type proportional solenoid, the coil can be disassembled separately
                  \n\u2022 Sub-plate mounting connection structure, connection size conforms to DIN2430 and ISO4401 standards
                  \n\u2022 Aliniere a arcului bobinei
                  \n\u2022 WRZE type with integrated proportional amplifierr
                  \n\u2022 WRZ type external amplifier (order separately)<\/p>\n

                  Usage Method Of 4WRZ\/H(E) Series Pilot Operated Proportional Directional Hydraulic Valve<\/strong>:<\/strong><\/h2>\n
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                  1. System Evaluation<\/strong><\/li>\n<\/ol>\n