Butterfly Buffer Check Valve, ASTM A351 CF8, DN300, PN16, RF

Key Specifications / Features

The Butterfly Buffer Check Valve is designed for efficient flow regulation and backflow prevention in industrial systems. Made from high-quality stainless steel ASTM A351 CF8, this 12-inch (DN300) valve operates at PN16 pressure and Class 150 LB ratings. It features RF flanged ends for secure and easy installation.

Product Range

Port Size: DN50–DN1200, 2-48 Inch
Pressure: PN10, PN16, Class 150 LB, 1.0–2.5 MPa
Structure: With hydraulic hammer, slow closing
Medium: Clear water, sewage, seawater, etc.
Temperature: -20℃ to 80℃ (up to 200℃ if necessary)
Body Material: Ductile iron, carbon steel, stainless steel
Connection: RF Flange
Flange Standard: GB/T 17241.6, GB/T 9113
Test Standard: GB/T 13927, API 598

The Buffer Butterfly Check Valve is designed for use in industrial water supply and sewage treatment plants, especially at pump outlets, to prevent backflow and countercurrent in the pipeline. It is engineered to automatically remove destructive water hammer, protecting pumps and pipelines from potential damage.

Key Features

» Composition: Valve body, disc, buffer device, and micro-control valve
» Structure: Novel design, compact size, and low fluid resistance
» Performance: Stable operation, reliable sealing, wear resistance, and excellent buffering capability
» Application: Ideal for industrial water and urban sewage systems