Shandong Shengfei Machinery Co., Ltd. is pleased to announce the successful production and delivery of a batch of High-Performance Offset Disc Butterfly Valves manufactured in accordance with API 609 and designed for ANSI Class 600 pressure applications.
These valves are engineered for demanding industrial services requiring reliable sealing performance, high temperature resistance, and long-term durability.
🔧 Product Overview
Type: High-Performance Butterfly Valve
Design: Offset Disc
Seat Type: Soft Seat (RPTFE)
Connection: Lug Type
Pressure Rating: ANSI Class 600 (ASME B16.5)
Mounting Standard: ISO 5211 (F10)
Configuration: Worm Gear, Square Shaft
⚙️ Material Specification
Body: ASTM A351 Gr. CF8M
Disc: ASTM A351 Gr. CF8M
Stem: ASTM A564 17-4 PH
Retainer: CF8M
Seat: Reinforced PTFE (RPTFE)
This material combination ensures excellent corrosion resistance, mechanical strength, and sealing reliability, making the valves suitable for aggressive media and elevated temperature service.
🌡️ Performance Parameters
Pressure Rating: ASME Class 600
Maximum Temperature: 220°C (428°F)
Bi-directional Sealing Performance
High Torque Efficiency with Offset Design
The offset disc design reduces seat friction during operation, extending seat life and ensuring smooth opening and closing performance even under high-pressure conditions.
🏭 Engineered for Demanding Applications
These high-performance butterfly valves are widely used in:
Oil & Gas Processing
Petrochemical Plants
Power Generation
Refining Systems
Chemical Processing Facilities
The lug-type design allows end-of-line service capability, while the ISO 5211 mounting platform ensures easy actuator integration for automated applications.
🌍 Reliable Manufacturing, Global Standards
At Shandong Shengfei Machinery Co., Ltd., we are committed to delivering valve solutions that meet international standards while offering competitive pricing and flexible production capacity.
From raw material control to machining, assembly, pressure testing, and final inspection, each valve undergoes strict quality procedures to ensure performance and reliability.
Looking for a qualified alternative supplier for high-pressure butterfly valves?
We welcome inquiries from EPC contractors, distributors, and industrial end users worldwide.
🔗 Visit us: https://shengfeimachinery.com/
📩 Contact our sales team for technical documentation or quotation support.