| Actuator diaphragm material |
EPDM (Rolling, fibre enforced) |
| Actuator size [cm²] |
160 cm² |
| Application |
District heating and cooling |
| Cavitation factor |
0.53 |
| Cavitation factor 100% |
0.46 |
| Cavitation factor 25% |
0.59 |
| Cavitation factor 50% |
0.59 |
| Cavitation factor 75% |
0.53 |
| China RoHS compliance |
Out of scope |
| Connection size |
DN 80 |
| Connection types |
Flange |
| Contain batteries |
No |
| Description |
Pressure independent control valve |
| Diameter [mm] |
80 mm |
| Differential pressure range [bar] [Max] |
20 bar |
| Differential pressure setting [bar] [Max] |
1 bar |
| Differential pressure setting [bar] [Min] |
0.1 bar |
| EU RoHS compliance |
Out of scope |
| Flow control |
Yes |
| Flow limitation |
Yes |
| Flow rate [m³/h] |
100 m³/h |
| Flow rate [m³/h] [Max] |
100 m³/h |
| Flow rate [m³/h] [Min] |
8 m³/h |
| Flow restrictor diff.pressure - dpb [bar] |
1 bar |
| Function |
Flow controller with int. control valve |
| Function VSP - P |
No |
| Function VSP - Q |
No |
| Function VSP - T |
No |
| Kvs values [m³/h] |
80 m³/h |
| Leakage rate [% Kvs] |
0.01 |
| Leakage through port max. [% Kvs] |
0.01 |
| Media pH [Max] |
10 |
| Media pH [Min] |
7 |
| Media temperature [°C] [Max] |
150 °C |
| Media temperature [°C] [Min] |
2 °C |
| Medium alternative |
Glycolic water up to 30% |
| Mounting version |
Free |
| Number of ports |
2 |
| Operating pressure [bar] [Max] |
25 bar |
| Permissible media |
District heating/cooling circulation water |
| PN alternative VSP |
40 |
| Pressure class |
PN 25 |
| Pressure controller |
No |
| Pressure nominal [bar] |
25 bar |
| Pressure relieve system control valve insert |
Chamber |
| Pressure setting range [bar] [Max] |
1 bar |
| Pressure setting range [bar] [Min] |
0.1 bar |
| Product group |
Pressure flow controllers |
| REACH Candidate List substances |
Lead (CAS no. 7439-92-1) |
| Sealing CV material |
EPDM |
| Sealing DP material |
EPDM |
| Setting Type |
Adjustable |
| Stem position |
Normally open |
| Stroke [mm] |
19 mm |
| Type |
AFQMP 2 |
| Valve body material |
Ductile cast iron EN-GJS-400-18-LT (GGG 40.3) |
| Valve cone CV material |
Stainless steel mat. No. 1.4021 |
| Valve cone DP material |
Stainless steel mat. No. 1.4021 |
| Valve seat DP material |
Stainless steel, mat. No. 1.4021 |
| Valve seat material |
Stainless steel, mat. No. 1.4021 |
| Valve size |
DN 80 |
![AFQMP 2, PN 25, DN 80, 0.1 bar - 1 bar, Flow rate [m³/h]: 8 - 100, Flange, Mounting version: Free](https://assets.danfoss.com/drawings/preview/190000/ID384036914164-0201_preview.jpg?w=96&h=96 "AFQMP 2, PN 25, DN 80, 0.1 bar - 1 bar, Flow rate [m³/h]: 8 - 100, Flange, Mounting version: Free")