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RKS fluid was founded in 1997. We are a production workshop for both foundry and machining, research & development center, and quality inspection cent...
Series: Candle Filter Filter core length: 800~2500 Filter cylinder dimensions: 550~2200 Filter cake specification:15~60mm Filter core number: 7~205 Filter area: 0.9~144.8㎡ Application: Biopharmaceutical, Chemical Industry, Food and beverages, Metal processing
The Athena series double eccentric butterfly valve is engineered for high-performance flow control in water and industrial pipeline systems.
Designed in accordance with EN 593 and EN 1074 standards, it delivers reliable sealing, reduced torque, and extended service life, making it an ideal solution for:
Why Choose Double Eccentric Design
Compared with concentric butterfly valves, the Athena double eccentric design offers:
| Feature | Concentric | Double Eccentric |
| Seat Wear | High | Low |
| Torque | Higher | Lower |
| Service Life | Shorter | Longer |
| Application | General | Industrial/Large pipeline |

| NO | DESCRIPTION | MATERIAL -STANDARD | OPTIONAL |
| 1 | Body | EN-GJS-500-7,epoxy coated 250µm | 300µm |
| 2 | Seat area | Integral,epoxy coated | Welded stainless steel AlSI 309L |
| 3 | Disc | EN-GJS-500-7,epoxy coated 250µm | 300µm |
| 4 | Sealing ring | EPDM | NBR |
| 5 | Retaining ring | CF8 | CF8M, AISI 316Ti |
| 6 | Drive shaft | AISI 420 | AISI 431, Duplex |
| 7 | Trunnion | AISI 420 | AISI 431, Duplex |
| 8 | Drive side cover | AISI 304 | |
| 9 | End cover | EN-GJS-500-7,epoxy coated 250µm | |
| 10 | Dual bearing | Commercial | |
| 11 | Bush | Self-lubricating steel PTFE coated | Bronze + PTFE coated |
| 12 | Top sealing kits | POM+NBR | |
| 13 | O-ring | NBR | |
| 14 | Washer | PTFE | |
| 15 | Screws | A2 | |
| 16 | Locking Screws | A2 | |
| 17 | Set screws | A2 | |
| 18 | Screws | A2 | |
| 19 | Key | C45 | |
| 20 | Dual Bearing | Commercial |
Key Features
Hygienic Pin-less Disc Connection
Eliminates risk of corrosion and contamination, ensuring safe operation in potable water systems.
Low Torque Operation
Double bearing design reduces torque, lowering actuator requirements and improving operational efficiency.
Energy Efficient Flow Design
Minimized head loss reduces pump energy consumption and operational costs.
Flexible Installation
Supports vertical downward installation, suitable for complex pipeline systems.
Applications
Athena butterfly valves are widely used in:
Dimensions and Weights-(with Handwheel)

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For complete technical documentation, including datasheets, drawings, and project-based solutions, please contact us.
The RKSfluid team will provide fast and professional engineering support based on your application requirements.
High-quality valves and filtration products with strict quality control is our commitment.