EP20-S35-0-N-80 ELEMENT (PILOTED)

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The Hydraforce EP20-S35-0-N-80 (5287106) is a high-performance screw-in, cartridge-style, pilot-to-close hydraulic directional element designed for precise control in hydraulic systems. This valve operates as a spring-biased blocking valve that shifts to allow full flow from port 1 to port 2 only when the pressure at port 1 exceeds the cumulative pressure of port 3 plus the bias spring pressure. It is engineered to handle a maximum pressure of 345 bar (5000 psi) and supports a wide range of operating fluid temperatures from -40°C to +100°C with Buna N seals, -26°C to +204°C with fluorocarbon seals, and -54°C to +107°C with polyurethane seals. The EP20-S35-0-N-80 features multiple application potentials due to its versatile design, low-pressure drop, and compatibility with industry-common cavity VC20S3. The unit weighs approximately 0.77 kg (1.7 lbs) and has an internal wetted surface area of 412 cm² (63.9 in²). It supports mineral-based or synthetic hydraulic fluids with lubricating properties within a viscosity range of 7.4 to 420 cSt and can operate up to a maximum contamination level of 20/18/14 per ISO 4406. Installation specifications include a cartridge installation torque range from 88 to 102 Nm (65 to 75 ft-lb) without any orientation restrictions, ensuring flexibility in system design. Additionally, it offers options for various seal kits like SK20S3XMM for different sealing needs and is compatible with available VC20S3 size cavities for diverse applications. This model also features robust corrosion protection marked by a Gep20s35 rating of up to 960 hours salt spray per ASTM B117, making it suitable for challenging industrial environments where reliability and durability are critical.