Shandong Shengfei Machinery Co., Ltd., a leading manufacturer in the field of high-performance butterfly valves, proudly announces that our own developed and manufactured butterfly valve products have fully achieved and are comparable in performance, reliability, and durability to the industry benchmark BRAY SERIES 44/45 models. This marks a new step for Shengfei Machinery in the field of high-end valve manufacturing and will provide global customers with higher quality and more competitive product solutions.

BRAY SERIES 44/45: Ideal Choice for High Pressure, High Temperature, and Severe Working Conditions
The SERIES 44/45 of BRAY McCannalok high-performance butterfly valves are designed specifically to meet the industrial needs of high pressure, high temperature, and critical services. Their innovative double-eccentric design provides robust reliability and extremely simple field maintenance. This series of valves is renowned for its excellent zero-leakage shut-off capability, maintaining zero leakage even after more than 100,000 cycles, fully demonstrating its superior service life and reliability. SERIES 44/45 is typically suitable for ASME Class 600 pressure ratings and offers a variety of sizes, materials, and connection methods, widely used in power, oil and gas, chemical, and other fields with extremely demanding requirements for valve performance.

Shengfei Machinery’s Masterpiece: Inheritance and Transcendence
Shengfei Machinery has been deeply involved in the valve industry for many years, adhering to the spirit of excellence in craftsmanship, and is committed to providing customers with the highest quality products. The high-performance butterfly valve series launched this time is a perfect interpretation of our equivalent performance to BRAY SERIES 44/45. Our products not only inherit the core advantages of the double-eccentric design but also optimize and innovate in material selection, processing precision, and sealing technology, ensuring that every valve can perform excellently under extreme working conditions.
Product Advantages of Shengfei High-Performance Butterfly Valves:
- Excellent Sealing Performance: Adopts advanced elastic seat or fire-safe seat design to achieve reliable zero-leakage bidirectional sealing, ensuring zero media leakage, meeting or even exceeding API 607 fire certification standards.
- High Pressure and High Temperature Applicability: Designed specifically for high pressure ratings such as ASME Class 600, and can withstand high temperatures up to 500°F (260°C), meeting the most stringent industrial application needs.
- Robust and Durable Structure: Selects high-quality valve body materials such as carbon steel, stainless steel, or nickel aluminum bronze, matched with high-strength valve stems and precisely processed butterfly plates, ensuring long-term stable operation in harsh environments.
- Low Torque Operation: Optimized design results in lower valve operating torque, allowing for the use of smaller actuators, effectively reducing customers’ initial investment and operating costs.
- Easy Maintenance: Modular design and adjustable packing sealing system make field maintenance simple and efficient, extending the service life of the valve.
- Extensive Certifications: Products comply with multiple international standards and certifications, such as API 609, API 598, ISO 15848-1, etc., ensuring product quality and reliability.
- High Cost-Effectiveness: While providing excellent performance and reliability, Shengfei Machinery’s products offer a more competitive price, bringing significant economic benefits to customers.
Image Display:
The following are real photos of Shengfei Machinery’s high-performance butterfly valves, showcasing the exquisite craftsmanship and robust structure of our products:

Looking Ahead:
Shengfei Machinery always adheres to the philosophy of “customer-centric,” continuously investing in research and development, and constantly improving product technology and quality. The launch of high-performance butterfly valves comparable to BRAY SERIES 44/45 is an important step for us towards the global high-end valve market. We look forward to working with global partners to provide the highest quality and most reliable valve solutions for your projects, and to create brilliance together.
Contact Us:
To learn more product details or discuss cooperation, please contact Shengfei Machinery through the following methods:
Shandong Shengfei Machinery Co., Ltd.
Mail: sales@shengfeimachinery.com
Web: www.shengfeimachinery.com