DN 300
Reliable large-diameter flow control with full system compatibility.
DN 300 provides reliable flow control and connection solutions for large-diameter lines. Moreover, this nominal diameter is engineered for the safe transport of high-flow fluids in industrial installations. In addition, the standard ensures compatibility across valves, flanges, and related fittings.
The product conforms to a 300 mm internal diameter standard and is manufactured to ISO 7005 / EN 1092-1. It is available in cast iron, steel, or stainless steel, with flanged, welded, or threaded connection types. Pressure classes cover PN 10, PN 16, and PN 25, while the temperature range spans -20°C to +200°C.
DN 300 — Technical Specifications
This size suits large-diameter pipeline flow control and direction. Furthermore, it is widely used in fire suppression systems, cooling towers, and main distribution lines. It also serves petrochemical plants, energy stations, water treatment facilities, and municipal networks.
Key Advantages
- Minimum pressure loss in high-flow lines
- Flanged connection speeds up assembly and disassembly
- Corrosion-resistant material for long service life
Applications
- Petrochemical plant main process lines
- Power plant cooling and steam circuits
- Water treatment plants and municipal networks
In conclusion, DN 300 offers a reliable, standardized solution for industrial piping projects. ORFA Industrial has supplied AYVAZ products as an authorized distributor since 1985. ORFA supplies worldwide and provides technical support; contact us for stock and technical information.
ORFA INDUSTRIAL PRODUCTS INDUSTRY AND TRADE INC.
Your Reliable Partner in Industrial Flow Technologies

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