Butterfly valves industrial

Butterfly Valve – Quarter-Turn Flow Control for Large Diameter Applications

Butterfly valves represent the fastest-growing segment in global industrial valve markets, projected to reach USD 12.8 billion by 2028 at 5.2% CAGR. These quarter-turn rotary valves excel in large-diameter applications (DN 50-3600) where traditional gate or globe valves become prohibitively expensive, heavy, and space-constrained. From Egyptian water treatment facilities to South African HVAC systems, butterfly valves deliver compact, lightweight flow control with excellent throttling characteristics.

The fundamental design features a circular disc mounted on a rotating shaft that pivots 90° from fully open to fully closed. When fully open, the disc profile minimizes pressure drop, enabling efficient flow in municipal water distribution, chemical processing, and power plant cooling systems across African infrastructure. Our API 609 certified butterfly valve portfolio serves global markets with concentric, double-eccentric, and triple-offset designs engineered for applications ranging from general HVAC service to critical oil & gas isolation requiring bubble-tight shutoff and fire-safe operation.

Modern butterfly valve technology addresses diverse sealing requirements through three primary offset configurations: concentric designs with resilient seats for water and low-pressure air service, double-eccentric (cam-action) valves reducing seat friction for improved cycle life in frequent-operation applications, and triple-offset metal-seated configurations achieving zero-leakage shutoff in high-temperature, high-pressure, and bidirectional services common to African petrochemical facilities and international energy projects.