Shandong Shengfei Machinery Co., Ltd., a professional Butterfly Valve Manufacturer, has once again demonstrated the reliability and performance of its API609 High Performance Butterfly Valves in demanding methane gas applications.
With extensive experience in designing industrial valves for oil, gas, and chemical industries, Shengfei provides engineered solutions that meet strict international standards and safety requirements.
Recently, Shengfei received an inquiry from an international customer requesting two 450NB Lug Type ANSI Class 150 High Performance Butterfly Valves suitable for methane gas service, with different operation configurations.
Engineered API609 Butterfly Valve Solution for Methane Gas Service
After evaluating the operating conditions, Shengfei proposed a Fire Safe API609 Butterfly Valve solution designed to ensure safety, durability, and reliable sealing performance in methane gas systems.
Valve Specification
| Item | Specification |
| Valve Type | Fire Safe Double Eccentric High Performance Butterfly Valve |
| Standard | API609 |
| Pressure Class | ANSI Class 150 |
| Connection | Lug Type |
| Size | 450NB |
Material Configuration
Body: ASTM A216 WCB
Disc: CF8M Stainless Steel
Stem: 17-4PH Stainless Steel
Seat: SS316 + RTFE
Fire Safe Butterfly Valve Design for Hazardous Gas Media
Methane gas systems require valves with high safety performance due to the flammable characteristics of the medium.
Shengfei’s Fire Safe Butterfly Valves are designed with advanced safety features to meet these requirements:
API607 Fire Safe Certification
Anti-static device for hazardous media
Bi-directional tight shutoff
High-performance eccentric disc structure
These features ensure stable operation and reliable sealing in natural gas, methane gas, and other combustible gas applications.
Pneumatic and Manual Operation Configuration
To meet the customer’s operational requirements, Shengfei provided two different actuation configurations:
Valve 1
Worm Gear Manual Operator
Valve 2
Pneumatic Actuator
Double Acting
Spring Return
Fail Close
Pneumatic Accessories
Explosion-proof Solenoid Valve
Explosion-proof Limit Switch
Air Source Treatment Unit (Filter-Regulator-Lubricator)
Manual Override Mechanism
After reviewing the proposal, the customer confirmed the feasibility of the solution and provided the air supply pressure of 7.0 Bar for actuator configuration.
High Performance Butterfly Valves Comparable to International Brands
As a specialized Butterfly Valve Manufacturer, Shengfei produces API609 High Performance Butterfly Valves with performance comparable to internationally recognized brands such as BRAY and FLOWSEAL.
Through advanced engineering design, strict quality control, and responsive technical support, Shengfei continues to provide reliable and cost-effective valve solutions for global EPC contractors, engineering companies, and industrial users.
About Shengfei – Professional Butterfly Valve Manufacturer
Shandong Shengfei Machinery Co., Ltd. is a professional Butterfly Valve Manufacturer specializing in:
API609 High Performance Butterfly Valves
Fire Safe Butterfly Valves
Cryogenic Butterfly Valves
Shengfei valves are widely used in industries such as:
Oil & Gas
Natural Gas
Chemical Processing
Power Generation
Industrial Pipeline Systems
With a strong commitment to quality, innovation, and customer satisfaction, Shengfei provides reliable valve solutions to customers worldwide.
🔗 Visit us: https://shengfeimachinery.com/
📩 Contact our sales team for technical documentation or quotation support. Mail: sales@shengfeimachinery.com