DEZHOU, CHINA – October 15, 2025 – SHENGFEI Company today announced the successful production of a batch of double eccentric high-performance, CLASS 150 lug-type butterfly valves. Crafted with advanced materials and precision engineering, these valves are poised to deliver a high-performance fluid control solution to the industrial sector.
Designed to meet the demanding requirements of various industrial applications, this butterfly valve boasts excellent corrosion resistance, reliable sealing performance, and a wide operating temperature range. Its innovative design incorporates a high-strength alloy disc and reinforced sealing material, ensuring long-term stability even under fluctuating pressure conditions.
Ideal for use in chemical processing, water treatment, and power generation industries, the valve demonstrates exceptional durability and minimal maintenance needs. Engineered for both on-off and throttling operations, it provides precise flow control while reducing energy loss. With international certifications including ISO and API standards, this butterfly valve sets a new benchmark in safety, efficiency, and adaptability across complex pipeline systems.
Key Highlights:
- Superior Materials for Lasting Durability: Both the valve body and disc are made from ASTM A494 M35-1 material, a nickel-based alloy renowned for its outstanding corrosion resistance and high-temperature strength, ensuring long-term stable operation in harsh conditions. The valve stem is made of MONEL K500, further enhancing the valve’s mechanical strength and corrosion resistance. The valve seat combines M111 with an FPM rubber energizer, providing excellent sealing performance and chemical resistance.
- Strict Standards, Quality Assurance: The design of this butterfly valve strictly adheres to API 609 standards, ensuring the product’s structural integrity and reliability. At the same time, its applicable standard is API 598, and all products undergo rigorous testing before leaving the factory to ensure compliance with the highest industry standards.
- Rigorous Testing, Exceptional Performance: In terms of test pressure, this butterfly valve demonstrates outstanding performance. The shell hydrostatic test pressure reaches 450 Psi, the seat upstream/downstream hydrostatic test pressure is 320 Psi, and the air test pressure is 80 Psi. These strict test data fully demonstrate its safety and reliability under various pressure conditions.
- Wide Operating Conditions, Strong Adaptability: The operating temperature range of this butterfly valve is -29℃ to 180℃, allowing it to adapt to various industrial environments from low to high temperatures, providing users with great flexibility.