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Wafer Butterfly Valve
High Performance • Durable • Leak Proof
API 6DASME B16.34ISO 17292CE Certified
Professional Wafer Butterfly Valve designed for superior performance with robust construction, and precise flow control.
Technical Specifications
Key Features & Applications
African Valve supplies wafer butterfly valves in South Africa for flow isolation and control in water, wastewater, mining, power generation, chemical processing and general industrial pipeline systems. Their compact wafer design is installed between mating pipeline flanges, making these valves suitable where reduced installation length and weight are important considerations.
A wafer butterfly valve uses a rotating disc to open, close or regulate flow. Depending on the configuration, valves can be supplied with resilient or application-specific seat materials, different body and disc materials, and manual or actuated operation. Size, pressure rating, materials and seat selection are determined according to the fluid, temperature, pressure and project requirements.
Technical Specifications
| Parameter | Specification |
|---|---|
| Valve Type | Wafer Butterfly Valve |
| Function | Flow Isolation / Flow Control |
| Size Range | Typically DN50 to DN1200, depending on configuration |
| Pressure Rating | PN10 / PN16 / PN25 / Class 150 |
| Body Material | Ductile Iron / Cast Iron / Carbon Steel / Stainless Steel |
| Disc Material | Ductile Iron / Nickel-Plated Ductile Iron / Stainless Steel |
| Shaft | Stainless Steel / Application-Specific Material |
| Seat / Liner | EPDM / NBR / PTFE / FKM |
| End Connection | Wafer Type |
| Operation | Lever / Gearbox / Pneumatic / Electric |
| Design Standard | API 609 / EN 593 / MSS SP-67, where applicable |
| Testing | API 598 / ISO 5208 / EN 12266-1, as applicable |
| Actuator Mounting | ISO 5211, where specified |
| Installation | Horizontal / Vertical, depending on configuration |
Standards & Testing
Depending on the valve design and application, applicable standards may include:
- API 609 - butterfly valves
- EN 593 - industrial metallic butterfly valves
- MSS SP-67 - butterfly valves
- EN 558 / ISO 5752 - face-to-face dimensions, where applicable
- ISO 5211 - actuator mounting interface for applicable configurations
- API 598 - valve inspection and testing
- ISO 5208 - pressure testing of metallic valves
- EN 12266-1 - pressure tests for metallic valves
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