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Large diameter stainless steel butterfly valve
The Large Diameter Stainless Steel Butterfly Valve is an industrial-grade valve designed for high performance and reliability in various fluid control applications. Here's a core description of this product:
1. Durable Construction: Crafted with stainless steel, these valves offer superior corrosion resistance and durability, making them suitable for a wide range of corrosive media, including acids, alkalis, and saline water.
2. Wide Size Range: Available in sizes from DN 50 to DN 900 (NPS 2 to NPS 36), they are designed to handle large diameter pipelines with ease.
3. Pressure and Vacuum Ratings: These valves come with ASME 150 and 300 pressure ratings and a vacuum rating of 1.016 x 10^-3^ mm Hg (4 x 10^-5^ inch Hg), indicating their versatility in different pressure environments.
4. Temperature Tolerance: They are capable of withstanding temperatures from -40°C to 530°C (-40°F to 1000°F), making them suitable for both low and high-temperature applications.
5. Advanced Design: The double offset disc/shaft design allows for high cycling, creating a lower disc profile with increased capacity and a flow range of 33:1. This design minimizes wear points between the seat and disc, reducing operating torques and extending seat life.
6. Fire-Safe Packing: The fire-safe packing is composed of preformed graphite rings and woven graphite rope, providing a superior high-temperature seal against the outer wall of the packing box and around the rotating stem.
7. Two-Piece Shaft Design: The two-piece shaft design maximizes flow capacity by increasing the available flow area through the valve, resulting in higher valve Kv compared to competitor one-piece shaft designs.
8. API 607 Fire Test Certified: The fire safe version of these valves has been tested and certified to API 607, ensuring continuous two-plane contact between the disc and both metal and RTFE seats in the full-closed position.
9. Material Options: Constructed with materials like stainless steel A276 Type 316, Monel K-500, and Inconel alloys, these valves are built to last and perform under demanding conditions.
10. Sealing Performance: Equipped with high-quality sealing materials like RTFE and various elastomers, these valves ensure efficient sealing when closed, preventing media leakage.
In summary, the Large Diameter Stainless Steel Butterfly Valve is a robust,corrosion resistance, and high-performance valve suitable for a variety of industrial applications where reliability, sealing performance, and longevity are paramount.
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