China CF8 Double Flange High Performance Butterfly Valve DN1000 PN16 Manufacturer, Factories
Product Description
Product Advantages of Double Flange High Performance Butterfly Valve
Superior Corrosion Resistance
Made from CF8 stainless steel, the valve offers excellent resistance to corrosion, making it ideal for use in harsh and chemically aggressive environments.
High Performance Sealing
The valve provides a tight, leak-proof seal, ensuring reliable performance in critical applications, even under fluctuating pressure conditions.
Double Flange Design
The double flange design allows for easy and secure installation between flanges, ensuring a stable and efficient connection in the piping system.
Reduced Operating Torque
The high-performance design minimizes operating torque, making it easier to control and reducing wear and tear on the actuator.
Versatility
Suitable for a wide range of applications, including water supply, HVAC systems, and industrial processes, providing flexibility across various industries.
Long Service Life
Built to last, the valve offers extended durability and performance, reducing maintenance and replacement costs over time.
Easy Maintenance
The simple design and durable materials ensure low maintenance and easy servicing, contributing to reduced downtime and lower operational costs.
Applications
| Size & Pressure Rating & Standard | |
|---|---|
| Size | DN40-DN1800 |
| Pressure Rating | Class125B, Class150B, Class250B |
| Face to Face STD | AWWA C504 |
| Connection STD | ANSI/AWWA A21.11/C111 Flanged ANSI Class 125 |
| Upper Flange STD | ISO 5211 |
| Material | |
| Body | Carbon Steel, Stainless steel |
| Disc | Carbon Steel, Stainless Steel |
| Stem/Shaft | SS416, SS431, SS |
| Seat | Stainless steel with welding |
| Bushing | PTFE, Bronze |
| O Ring | NBR, EPDM |
| Actuator | Hand Lever, Gear Box, Electric Actuator, Pneumatic Actuator |
Frequently Asked Questions (FAQ)
The double flange design provides secure and stable bolting between pipeline flanges, ensuring zero-leakage sealing, low operating torque, easy maintenance, and outstanding durability across demanding high-pressure pipelines.
These butterfly valves are supplied in nominal sizes ranging from DN40 to DN1800, with standard pressure ratings compliant with Class 125B, Class 150B, and Class 250B specifications.
The valve complies with AWWA C504 for face-to-face dimensions, ANSI/AWWA A21.11/C111 Flanged ANSI Class 125 for end connection standards, and ISO 5211 for top flange actuator mounting.
Body and disc are built with high-grade Carbon Steel or Stainless Steel (such as CF8). Stems are crafted from SS416, SS431, or stainless steel alloys, paired with welded stainless steel seats and NBR or EPDM O-rings for optimal corrosion resistance.
With an ISO 5211 upper flange standard, the valve easily pairs with Hand Lever, Manual Gear Box, Electric Actuator, and Pneumatic Actuator systems based on automation needs.
Due to its anti-corrosion properties and robust sealing, this valve operates seamlessly across municipal water supply, wastewater treatment, chemical & petrochemical plants, HVAC networks, pumping stations, marine ballast systems, and oil & gas pipelines.
