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Concentric Butterfly Valve

Concentric Butterfly Valve

High Performance • Durable • Leak Proof

API 6DASME B16.34ISO 17292CE Certified

Butterfly Valve Supplier Egypt for reliable isolation and flow control in industrial systems.

Technical Specifications

Key Features & Applications

African Valve supplies concentric Butterfly Valve Supplier Egypt for water, wastewater, fire-water, marine, power-generation and general industrial applications. These valves provide a compact and practical solution for pipeline isolation and selected flow-control duties, particularly where space, weight and ease of operation are important.


A concentric butterfly valve has the disc and shaft positioned on the centreline of the valve body. In resilient-seated designs, the elastomeric liner provides the sealing surface around the disc. This simple construction allows the valve to operate with a quarter-turn movement and provides reliable shut-off for suitable services.

Different body, disc, shaft and liner materials can be selected according to the fluid, pressure, temperature and installation conditions. Wafer, lug and flanged configurations are available depending on the pipeline connection requirements.

Technical Specifications

ParameterSpecification
Valve TypeConcentric Butterfly Valve
FunctionFlow Isolation / Selected Flow Control
Size RangeTypically DN50–DN1000, depending on configuration
Pressure RatingPN10 / PN16 / PN25
Body MaterialDuctile Iron / Cast Iron / Carbon Steel / Stainless Steel
Disc MaterialStainless Steel / Duplex / Ductile Iron / Coated Disc
ShaftStainless Steel / Application-Specific Material
Seat / LinerEPDM / NBR / PTFE / Application-Specific Material
End ConnectionWafer / Lug / Flanged
OperationLever / Gearbox / Pneumatic / Electric
Design StandardEN 593 / API 609, as applicable
Water-Service StandardEN 1074-1 / EN 1074-2, where applicable
TestingEN 12266-1 / ISO 5208 / API 598, as applicable
Actuator MountingISO 5211, where applicable

Related Products

Wafer Butterfly Valve
Wafer Butterfly Valve

Pressure Class Options: • Class 150: 275 PSI maximum working pressure • Class 300: 720 PSI maximum working pressure • Class 600: 1440 PSI maximum working pressure Design verification per ASME B16.34 Hydrostatic testing per API 598 standards Pressure-temperature ratings available

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