Introduction
Turbine by-pass valves are essential devices in hydropower plants, specifically designed to safely divert water flow when the main turbine is shut down for maintenance or emergency reasons. Based on reliable needle valve technology, these devices maintain the ecological flow and protect the pipeline from severe water hammer effects. Engineered to withstand heavy hydrostatic loads at the mouth and completely different exercise pressures, they provide smooth water flow regulation without wasting water, delivering exceptional operational stability under all conditions.
Key Features
Special balanced chamber to completely eliminate any kind of vibration or anomalous oleodynamic load, internal shape specially designed to avoid the incurring of cavitation, horizontal sliding of the obturator for accurate flow regulation, EPDM shutter sealing-ring positioned away from the main flow to ensure perfect bubble tightness and extended lifespan, smart sealing retaining ring design allowing downstream dismounting without taking the valve away from the pipeline, high-thickness hot-applied epoxy resin anticorrosive coating.
Technical Data Table
Applications and Benefits
- Dams and hydropower plants: Absolute protection of turbines and penstocks against extreme hydraulic transients and destructive surges;
- Ecological flow guarantee: Uninterrupted maintenance of the vital downstream water release even during power generation halts;
- Streamlined maintenance: Easy downstream access to sealing components via inspection manhole, saving significant downtime;
- Unyielding reliability: Tested operational safety under heavy loads, supported by third-party certifications and a long list of global references.
Why Choose Our Products
Contact our engineering department today to request a customized quotation and correctly size the turbine by-pass valve according to your specific penstock diameter and hydrostatic head. We also encourage you to download the technical brochure to review flow charts, quality testing procedures, and full material specifications.
