Leading Chinese Manufacturers of Stainless Steel Butterfly Valves
A butterfly valve made from stainless steel works as a flow control device that uses a disc to manage the flow of liquids, gases, and slurry within a pipeline. The stainless steel construction allows for high durability, alongside corrosion-resistant properties, allowing it to be used in industries such as water treatment, chemical processing, oil & gas, and food production. Its compact construction, ease of operation, and reliability make it an economically favorable option for precise flow control in tough operating conditions.
Stainless Steel Butterfly Valve Technical Specifications
| Parameter | Description |
|---|---|
| Characteristics | Quarter-turn valve with a rotating disc for flow regulation or isolation. Compact, lightweight, and easy to operate. Available in wafer, lug, or flanged designs. |
| Surface Treatment | Polished or passivated to enhance corrosion resistance and aesthetic appeal. May include electropolishing for sanitary applications. |
| Dimensions and Specifications | Sizes range from 1" to 48" (DN25 to DN1200). Pressure ratings typically from PN10/16 to ANSI Class 150/300. Body and disc in stainless steel (e.g., 304, 316, or 316L). |
| Corrosion Resistance | Excellent resistance to rust and chemical corrosion, suitable for harsh environments like marine, chemical, and acidic conditions. Enhanced by material grades like 316/316L. |
| Mechanical Properties | Tensile strength: ~515-620 MPa (depending on grade). Yield strength: ~205-275 MPa. Hardness: ~70-90 HRB. Robust for high-pressure and temperature applications. |
| Processability | Easily machined, welded, and formed. Compatible with automated actuators (pneumatic/electric) for precise control. Suitable for sanitary or industrial processing. |
| Applications | Used in water treatment, chemical processing, oil and gas, food and beverage, pharmaceuticals, HVAC, and marine industries for flow control and isolation. |
| Standards | Conforms to API 609, ASME B16.34, ISO 5752, DIN 3202, or sanitary standards like 3A for food-grade applications. Certified for pressure and safety compliance. |
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