VZL 4 PN16 20/2,5 4-way seated conex
| Gross weight |
0.626 Kilogram |
| Net weight |
0.626 Kilogram |
| Volume |
0.48 Liter |
| EAN |
5702421548547 |
| Type |
VZL 4 |
| Product group |
Other valves |
| Application |
Heating and cooling |
| Application alternative VSP |
Hot water |
| China RoHS compliance |
Out of scope |
| Connection types |
External Thread |
| Contains batteries |
No |
| Control ratio |
30:1 |
| Description |
VZL 4 PN16 20/2,5 4-way seated conex |
| Diameter [mm] |
20 mm |
| Differential pressure range [bar] [Max] |
10 bar |
| EU RoHS compliance |
Yes with exemptions |
| EU RoHS exemption clause |
6(c) |
| Flow characteristic |
Linear |
| Function |
Mixing valve |
| Kvs value (B-AB) [m³/h] |
1.6 m³/h |
| Kvs values [m³/h] |
2.5 m³/h |
| Leakage through port (B-AB) max. [% Kvs] |
1.0 |
| Leakage through the port max. [% Kvs] |
0.05 |
| Media pH [Max] |
10 |
| Media pH [Min] |
7 |
| Media temperature [°C] [Max] |
120 °C |
| Media temperature [°C] [Min] |
2 °C |
| Medium alternative |
Glycolic water up to 50% |
| Mounting version |
Free |
| Number of ports |
4 |
| Permissible media |
District heating/cooling circulation water |
| PN alternative VSP |
10 |
| Pressure nominal [bar] |
16 bar |
| REACH Candidate List substances |
Lead (CAS no. 7439-92-1) |
| Spindle position |
A-AB: Normally closed |
| Stroke [mm] |
2.8 mm |
| Stuffing box sealing material |
EPDM |
| Valve body material |
Brass |
| Valve cone material |
Brass |
| Valve stem material |
Brass |
