Description
XYoe Wafer-Type Swing Check Valve
The XYoe Wafer-Type Swing Check Valve is engineered for efficient and reliable backflow prevention in industrial pipeline systems. Featuring a gravity- and flow-actuated swing disc, it permits unidirectional flow and automatically closes upon flow reversal, safeguarding pumps, compressors, and other critical equipment from potentially damaging water hammer effects.
Built with robust, high-quality materials, this valve ensures excellent corrosion resistance, long-term durability, and dependable sealing performance. Its versatile design accommodates both horizontal and vertical installation orientations, providing optimal flexibility for diverse applications across water supply, HVAC, chemical processing, and general industrial fluid handling systems.
Key Features:
- Gravity-Operated Swing Disc: Ensures smooth opening under forward flow and positive closing for reliable backflow prevention.
- Robust Construction: Durable, corrosion-resistant materials for extended service life in demanding environments.
- Installation Versatility: Can be installed in either horizontal or vertical pipe runs for maximum application flexibility.
- Equipment Protection: Effectively mitigates water hammer and shields downstream equipment from damage.
- Broad Fluid Compatibility: Suitable for use with water, oils, gases, and a wide range of industrial fluids.

| DN | NPS | PN16~PN40 L | PN16 ΦA | PN16 ΦB | PN16 ΦC |
| 40 | 1 1/2” | 200 | 150 | 110 | 88 |
| 50 | 2” | 230 | 165 | 125 | 102 |
| 65 | 2 1/2” | 290 | 185 | 145 | 122 |
| 80 | 3” | 310 | 200 | 160 | 138 |
| 100 | 4” | 350 | 220 | 180 | 158 |
| 125 | 5” | 400 | 250 | 210 | 188 |
| 150 | 6” | 480 | 285 | 240 | 212 |
| 200 | 8” | 550 | 340 | 295 | 268 |
| 250 | 10” | 650 | 405 | 355 | 320 |
| 300 | 12” | 750 | 460 | 410 | 378 |









