Check valve type 561 PVC-U without spring and with backing flanges, designed for vertical installation with flow-optimized return cone and double guidance. It has an overall length consistent with EN 558 and connecting dimensions compliant with ISO 7005 PN10, EN 1092 PN10, and DIN 2501 PN10. The valve seals at a minimum water column of 2 m. For size 100 mm (4 inch), the Z-length is 340 mm, overall length L is 340 mm, and it uses M12 bolts. The valve is compact, with installation length matching ball valve type 546. The model is rated for 10 bar and has a kv-value of 4150 l/min at Δp=1 bar. Sealing material options include EPDM or FKM, with corresponding part codes 1615614101 and 1615614201 respectively.
Without spring With backing flanges PVC-U metric
| Georg Fischer Piping Systems Ltd | |
|---|---|
| Product Category | Industrial Valves |
| Product Number | 161561410 |
| Product Name | Valves - Plastic-Valves - Check-Valves - cone-Check-Valve-561-562 |
| Valve Type | Check |