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republic of malawi F2230 Series High Performance Butterfly Valve
Product Description
■ Unique Design
Double-Offset, seal ring leaves seat at very small angle, very few abrasion happen
Low operating torque
Fire-Proof for bi-direction
Suitable for various clilic application, long service life
Various operation avaliable: Gear Box
Electrical Actuator
Pneumatic Actuator
■ Materials

| Parts | Materials |
|---|---|
| Body | Casting Steel, ASTM A 216 Gr. WCB, Stainless Steel, ASTM A 351 Gr. CF8, CF8M |
| Retaining Rings | Casting Steel, ASTM A 216 Gr. WCB, Stainless Steel, ASTM A 351 Gr. CF8, CF8M |
| Disc | Casting Steel, ASTM A 216 Gr. WCB, Stainless Steel, ASTM A 351 Gr. CF8, CF8M |
| Seal Ring | PTFE, RPTFE |
| Shaft | Stainless Steel ASTM A276 SS420, ASTM A479 SS304/SS316, 630(17-4PH) |
| Pins | Stainless Steel ASTM A276 SS420, ASTM A479 SS304/SS316, 630(17-4PH) |
| Bushing | Bronze,Stainless Steel SS304 / SS316 Nitrided |
| Gasket | Graphite, reinforced graphite, PTFE, reinforced PTFE |
| Shaft-Retaining Ring | Stainless Steel |
High performance butterfly valve is designed to provide reliable sealing, precise flow control, and long service life in demanding industrial applications. Featuring a double or triple offset structure, it reduces seat wear and operating torque while ensuring tight shutoff under high pressure and temperature conditions. Manufactured from high-quality materials, it offers excellent resistance to corrosion, abrasion, and thermal stress. High performance butterfly valves are widely used in oil and gas, chemical processing, power generation, water treatment, and industrial pipeline systems, where efficiency, safety, and durability are critical