15/04/2026
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The EV 100 is a highly versatile, mechanical control valve primarily designed for hydraulic elevators. Manufactured by Blain Hydraulics, it is known for providing smooth, precise, and reliable elevator operation across a wide range of loads and temperatures. It is widely used in both home and commercial lift systems.
✅Key Features and Capabilities
⚙️Fully Adjustable Performance: The EV 100 features 9 independent adjustments that allow for precise control of speeds, accelerations, and decelerations for both upward and downward travel.
⚙️Ride Quality: Includes a patented up-levelling system and temperature/pressure compensation to ensure stopping accuracy and a smooth ride regardless of oil temperature changes.
⚙️Versatile Operation: Supports speeds up to 1.0 m/s (200 fpm) with one full speed and one levelling speed in both directions.
⚙️Durability: Built with 70 HRc Rockwell hardened bore surfaces and IP68-rated solenoids for long service life in harsh industrial environments.
✅Related Models and Modernisation
⚙️EV0 / EV1 / EV10: Simpler models in the same series with fewer adjustments (e.g., single up-speed or no up-stop adjustment).
SEV Series: An electronically controlled version that can replace a mechanical EV 100 to provide even better ride quality and up to 30% energy savings without replacing the entire lift controller.
EV40: A newer modernisation kit using VVVF technology that can retrofit an existing EV 100 in under 10 minutes.
⚙️Core Adjustments (UP Travel)
Standard settings for most EV 100 valves start with adjustments 1 and 4 level with the fl**ge faces, and adjustments 2, 3, and 5 turned fully in, then backed out 2 to 4 turns.
➡️1. By-Pass: Controls the delay between the pump starting and the car moving. Turning In (clockwise) shortens the delay; Out (anti-clockwise) lengthens it (ideal is 1–2 seconds).
➡️2. Up Acceleration: Controls how quickly the car reaches full speed. In provides softer acceleration; Out makes it quicker.
➡️3. Up Deceleration: Adjusts the transition from full speed to leveling speed. In is softer; Out is quicker (recommended duration is approx. 2.5 seconds).
➡️4. Up Leveling Speed: Sets the final crawl speed before stopping. In slows the speed; Out increases it (standard target is 6 cm/sec).
➡️5. Up Soft Stop: Determines the final stop quality. In provides a softer stop; Out makes it more abrupt.
✅Core Adjustments (DOWN Travel)
➡️6. Down Acceleration: Controls the start of downward movement. In is softer; Out is quicker.
➡️7. Down Full Speed: Adjusts the maximum downward travel speed. In is slower; Out is faster.
➡️8. Down Deceleration: Transition to downward leveling speed. In is softer; Out is quicker. Note: Never close this adjustment all the way.
➡️9. Down Leveling Speed: Final downward crawl speed. In is slower; Out is faster.
✅Critical Safety & Maintenance
🔴S Relief Valve: Turning In increases maximum pressure; Out decreases it.
🔴Manual Lowering (H): Allows the car to be lowered manually in case of power failure.
🔴Coil Overheating: If you remove a solenoid coil for testing while it is energized, it will overheat within 20 seconds. Always place a steel rod through the coil to act as a heat sink if it must remain off the valve.
For full technical diagrams and part lists, you can refer to the official Blain EV Service Manual or the Troubleshooting Guide provided by Blain Hydraulics.
⚠️[!IMPORTANT]
Safety Warning: Elevator valve adjustments should only be performed by certified elevator technicians. Incorrect settings can lead to hazardous conditions, such as sudden stops, "locking" the car, or over-pressurization.
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