MANUAL BALANCING VALVE, FLANGED, DUCTILE IRON
Manual Balancing Valve for water, and water with glycol from -10° C to 110° C
Manual balancing valves deliver accurate hydraulic performance in an impressive range of applications, offer a reliable, simple and cost effective way to measure and balance all flow rates. Specially suited for use on the secondary side of heating and cooling systems.
| Variant 908/10-002 | |
|---|---|
| Connection: | Flanged |
| Material: | Ductile iron |
| DN: | DN65 - DN400 |
| PN: | PN 25 |
Features
- Ports for measuring differential pressure
- Handwheel with turn counter for easy reading and adjustment
- Equal percentage control of flow
- Soft seat ensures tight shut-off
- Adjustment for max. opening integrated in stem
- Feet on flanges for easy handling
- Seal house O-ring replaceable under system pressure
- Thrust bearing with rolling needles provides easy operation
Reference nos. and dimensions:
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| Reference no. | DN mm |
Flange drilling |
L mm |
D mm |
H mm |
W mm |
Kv m³/h |
Theoretical weight/kg |
|---|---|---|---|---|---|---|---|---|
| 908-0065-10-709 | 65 | PN25 | 290 | 135 | 304 | 185 | 83 | 13 |
| 908-0080-10-709 | 80 | PN25 | 310 | 135 | 311 | 200 | 101 | 15 |
| 908-0100-10-709 | 100 | PN25 | 350 | 250 | 388 | 235 | 200 | 22 |
| 908-0125-10-709 | 125 | PN25 | 400 | 250 | 437 | 270 | 275 | 31 |
| 908-0150-10-709 | 150 | PN25 | 480 | 250 | 467 | 300 | 385 | 42 |
| 908-0200-10-709 | 200 | PN25 | 600 | 250 | 518 | 360 | 572 | 71 |
| 908-0250-10-709 | 250 | PN25 | 730 | 250 | 650 | 425 | 1214 | 135 |
| 908-0300-10-709 | 300 | PN25 | 850 | 250 | 719 | 485 | 1673 | 191 |
| 908-0350-10-709 | 350 | PN25 | 980 | 250 | 782 | 555 | 2251 | 300 |
| 908-0400-10-709 | 400 | PN25 | 1100 | 250 | 881 | 620 | 2882 | 408 |
2D/3D drawings
Enquiry
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Components
| 1. | Body | Ductile iron GJS-500-7 (GGG-50) |
| 2. | Plug | Ductile iron GJS-500-7 (GGG-50) |
| 3. | O-ring | EPDM rubber |
| 4. | O-ring | EPDM rubber |
| 5. | Bonnet | Ductile iron GJS-500-7 (GGG-50) |
| 6. | Measuring port (blue) | Brass DZR CW602N |
| 7. | Handwheel | PA 6.6 / Alu-alloy |
| 8. | Handwheel screw | Stainless steel A2 |
| 9. | O-ring | EPDM rubber |
| 10. | O-ring | EPDM rubber |
| 11. | O-ring | EPDM rubber |
| 12. | Bolt | Stainless steel A2 |
| 13. | Washer | Stainless steel A2 |
| 14. | Measuring port (red) | Brass DZR CW602N |
| 15. | Grub screw | Steel gr. 8.8, zinc plated |
| 16. | Locking segment | Stainless steel 1.4021 |
| 17. | Thrust bearing | Stainless steel |
| 18. | Set screw | Stainless steel A4 |
| 19. | Allen key | Steel |
| 20. | Seal housing | Brass HPb59-1 |
| 21. | Stem | Stainless steel 1.4021 |
| 22. | Gasket | NBR rubber |
| 23. | Screw | Stainless steel A4 |
| 24. | Stem nut | Brass HPb59-1 |
| 25. | Pin | Stainless steel 1.4021 |
Test/Approvals
- Tested according to EN 12266-1
Standards
- Face-to-face dimension according to EN 558, basic series 1
- Flange drilling to EN1092, PN25