Product Description
Throttle and shut-off valve for potable water circulation loops for balancing according to DVGW worksheets W551 and W552. Retrofittable automatic temperature control with support of thermal disinfection. Draining support with adapter (accessory). Valve housing without side connections for easy insulation. Cavity-free insert with maintenance-free spindle sealing. Handwheel thread isolated from the flow. Visible digital pre-setting dial with concealed pre-setting ring. Very precise due to factory calibration.
For potable water circulation systems.
Technical Properties
| Connection size |
28 mm |
| Approvals |
DVGW approved, conforms with KTW requirements |
| DN size |
25 mm |
| Port connection |
Mapress fittings |
| Nominal pressure |
PN16 |
| Kvs value |
6,8 |
| Pre-setting |
Yes |
| Max. media temperature |
130 oC |
| Body pattern |
Y-pattern |
| Materials |
Valve housing and all parts with contact to the flow made of corrosion resistant red bronze |
| Position indication |
Visible, digital pre-setting display with concealed pre-setting ring |
| Automatic balancing support |
Yes |
| Integrated non-return device |
No |
| Draining/filling support |
Yes |
| Additional Descriptions |
Suitable connections see 'Connections for Alwa-valves'. |
