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EPCG2 vs. EPFG: Understanding Tokyo Keiki’s Proportional Pressure Valves — Tokyo Keiki

by lucidbusiness | Oct 16, 2025 | Tokyo Keiki

Tokyo Keiki’s EPCG2 and EPFG series are both proportional pressure valves used across industrial hydraulic systems, and the naming convention alone doesn’t make the distinction obvious. The real difference comes down to valve function, control range, and...

ST3 Servo Valve Failure Points and What They Mean — Tokyo Keiki

by lucidbusiness | Sep 29, 2025 | Tokyo Keiki

Tokyo Keiki’s ST3 series servo valves are built for high-precision, high-response control in demanding industrial and test applications. Because they operate on tight internal tolerances, they share the same handful of predictable failure points common to...

STC-Y Servo Valve Controller Troubleshooting — Tokyo Keiki

by lucidbusiness | Sep 10, 2025 | Tokyo Keiki

The STC-Y is Tokyo Keiki’s controller for its servo valve lineup, managing command signal conditioning and closed-loop feedback for connected valves. When a system starts misbehaving, it’s tempting to assume the servo valve itself has failed — but a...

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Performance Servo delivers precision, efficiency, and reliability in hydraulic control systems. We specialize in high-performance servo and proportional valves and electro-hydraulic pumps, combining advanced engineering with expert support to meet the toughest industrial demands.

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