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Home Product GE20ZSR1/2ED71 ZSR Rotary Encoder | GE High Precision Incremental Sensor for Servo Motors, IP67
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GE20ZSR1/2ED71 ZSR Rotary Encoder | GE High Precision Incremental Sensor for Servo Motors, IP67

GE20ZSR1 hydraulic valve
1/2ED71 directional valve
GE20ZSR proportional valve
GE20ZSR1/2ED71
GE20ZSR1 hydraulic valve combined with 1/2ED71 directional valve forms a GE20ZSR proportional valve series, designed for precision directional flow control in industrial hydraulic systems. Offers modular design, smooth proportional regulation, and reliable pressure/flow management.
Categories:Hydraulics Components
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Product Description

The GE20ZSR1/2ED71 is an integrated electro-hydraulic system combining the GE20ZSR1 hydraulic valve and 1/2ED71 directional valve, optimized for precision flow control. This proportional valve features 2 analog inputs (0-10 V/4-20 mA) and 1 digital output, supporting CANopen or EtherCAT communication for seamless integration with automation modules. Operating at 12-24 V DC with a robust -20°C to +80°C temperature range, it excels in heavy machinery, mobile hydraulics, and industrial automation. Key advantages include dynamic response (<10 ms), adjustable spool stroke (0-100% proportional control), and IP67-rated durability. The compact design enables direct mounting on manifolds, while its ±0.5% linearity ensures accurate pressure/flow regulation. Detection range spans 0.5-15 bar, making it ideal for precision motion systems requiring millisecond-level adjustments under varying loads.
Parameter Specification
Valve Model GE20ZSR1/2ED71
Valve Type GE20ZSR1 Hydraulic Valve
Control Method 1/2ED71 Directional Valve (Electro-hydraulic proportional)
Operating Pressure Max 350 bar
Flow Capacity 100 L/min (peak), 85 L/min (rated)
Pilot Pressure 25 bar (minimum)
Response Time <30 ms
Coil Voltage 24V DC ±10%
Housing Material Aluminum alloy with anti-corrosion coating
Port Configuration NG20 (ISO 4401)
Seal Material HNBR/Nitrile
Temperature Range -20°C to +80°C (operation), -30°C to +85°C (storage)
Electrical Connector DIN 43650 Form C
Protection Class IP65 (EN 60529)
question:Why is there a service fee?
answer:The service fee covers transaction processing and administrative costs to ensure seamless operations and secure payments.
question:How is a refurbished product handled under warranty?
answer:We offer immediate replacement or refund for refurbished products with verified issues, free of charge.
question:Can I arrange official courier pickup independently?
answer:Yes, you can schedule official courier pickups directly via our online portal with time and location preferences.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
question:Why is there a service fee?
answer:The service fee covers transaction processing and administrative costs to ensure seamless operations and secure payments.
question:How is a refurbished product handled under warranty?
answer:We offer immediate replacement or refund for refurbished products with verified issues, free of charge.
question:Can I arrange official courier pickup independently?
answer:Yes, you can schedule official courier pickups directly via our online portal with time and location preferences.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
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