Introduction
Outlet fixed cone valves, also known as bottom outlet cone valves, are engineered to safely and precisely manage water discharges in demanding environments. For over thirty years, Di Nicola has manufactured these valves, achieving excellent results in more than 30 installations across over 10 countries worldwide. Developed to operate as free discharge, in dissipation chambers, or in submerged configurations, these valves are the optimal solution for large water infrastructures, perfectly combining robust construction with maximum operational flexibility.
Key Features
Three different discharge configurations (free discharge, in dissipation chamber, or submerged), heavy-duty construction in structural steel and high-nickel stainless steel, full compatibility with mechanical, electric, and hydraulic actuators, wide range of available accessories including cardan joints, flow conveyors, flow dissipators, maneuvering columns, and position indicators, strict compliance with major international quality and manufacturing standards.
Technical Data Table

Applications and Benefits
- Water infrastructures and reservoirs: Optimized management of discharge flows under various structural conditions (free, submerged, dissipation chamber) to fully protect the facility;
- Exceptional performance certified by decades of manufacturing expertise and multiple successful global installations;
- Flexible integration: Thanks to the extensive supply of custom accessories and multiple actuation types, the valve easily adapts to any pipeline control architecture.
Why Choose Our Products
The company Di Nicola builds bottom valves cone-exhaust, Room dissipation, or discharge submerged under construction EN S275J0 steel and stainless steel with high nickel content of more than thirty years with sizes between 200 and 2000 mm and nominal pressures from 2.5 bar to 100 bar. Foot valves, cone type Di Nicola drives are built with mechanical, electrical and hydraulic and respond to major international standards such as EN 593, EN ISO 1074-1, EN ISO 1074-2, DIN 3202, BS 5150, ISO 5752, ASME B16.10. With marked according to EN ISO 19 and flanges according to EN 1092-2, ISO 2531, BS4504 test according to EN 12266-1. Nicola has assets of more than 30 installations in over 10 different countries in and outside Europe with sublime results. The valves of the bottom cone type Di Nicola can be provided with a series of accessories such as universal joints, flow conveyors, sinks flow, columns of maneuver, position indicators and other.
Contact our sales department today to configure the perfect fixed cone valve tailored to your project’s specific requirements. We also encourage you to explore our website to discover technical details, materials, and all the available accessories to complete your installation setup.