Product Description
Pre-settable radiator lockshield valve for the return with shut-off facility. Optional flow direction. Supports draining and filling. Reproducible pre-setting is not affected by draining process. O-ring spindle seals
For water-based heating systems.
Technical Properties
| Medium type |
water or water-glycol mixture according to VDI 2035 |
| DN size |
20 mm |
| Port connection |
internal threads |
| Connection diameter |
3/4 inch |
| Nominal pressure |
PN10 |
| Pre-setting |
Yes |
| Media temp. |
2 ... 130 oC |
| Kvs value |
1,8 |
| Body pattern |
angle to DIN |
| Materials |
Valve body made of nickel-plated red bronze. Valve insert made of brass with EPDM O-rings. Tailpiece, protection cap and union-nut made of nickelplated brass. |
| Features |
- Retainable presetting, independent of draining or shutoff process
- Presetting, shut-off and draining/filling with one valve
- Presettable by stroke limitation
- Optional flow direction. Performance values apply for both directions
- Piston externally O-ring sealed
- Body dimensions to DIN3842
- Connection to all types of pipe DN10 - DN20
- Easy identification: protection cap with hexagon on top and collar to valve; also see illustration identification
|
| Place in installation |
return |
| Measuring support |
No |
| Draining/filling support |
Yes |
| Shut-off facility |
Yes |
| Additional Descriptions |
- Installation in supply also possible, draining/filling function isn't supported!
- Suitable connections see 'Connections for Radiator Valves'.
|
