AFQM 2, PN 25, DN 250, Flow rate [m³/h]: 100.00 - 500.00, Flange, Mounting version: Free
003G5527
Pressure independent control valve
Product specifications
Characteristic | Value |
|---|---|
| Actuator diaphragm material | EPDM (Rolling, fibre enforced) |
| Actuator size [cm²] | 320 cm² |
| Application | District heating and cooling |
| Cavitation factor | 0.30 |
| Cavitation factor 100% | 0.22 |
| Cavitation factor 25% | 0.36 |
| Cavitation factor 50% | 0.36 |
| Cavitation factor 75% | 0.27 |
| China RoHS compliance | Out of scope |
| Connection size | DN 250 |
| Connection types | Flange |
| Description | Pressure independent control valve |
| DG Indicator Profile | Not relevant for dangerous goods |
| Diameter [mm] | 250 mm |
| Differential pressure range [bar] [Max] | 10.00 bar |
| EU RoHS compliance | Out of scope |
| Flow control | Yes |
| Flow limitation | Yes |
| Flow rate [m³/h] | 500.00 m³/h |
| Flow rate [m³/h] [Max] | 500.00 m³/h |
| Flow rate [m³/h] [Min] | 100.00 m³/h |
| Flow restrictor diff.pressure - dpb [bar] | 0.50 bar |
| Function | Flow controller with int. control valve |
| Function VSP - P | No |
| Function VSP - Q | No |
| Function VSP - T | No |
| In scope of WEEE and contain batteries | No |
| Kvs values [m³/h] | 800.00 m³/h |
| Leakage rate [% Kvs] | 0.01 |
| Leakage through port max. [% Kvs] | 0.01 |
| Material Description | AFQM 2 PN25 250/800 /0,5 flange flow/ret |
| Media pH [Max] | 10 |
Characteristic | Value |
|---|---|
| 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 |
| Product group | Pressure flow controllers |
| Product line | District Energy Controls |
| Product Type | AFQM 2 |
| REACH Candidate List substances | Lead (CAS no. 7439-92-1) |
| SCIP dossier no. | b7b59542-4217-4c5c-96a5-552807d72d74 |
| SCIP dossier product name | AFQM DN65-400 |
| Sealing CV material | EPDM |
| Sealing DP material | EPDM |
| Select if the Shock valve should be with a Fixed pressure or Adjustablepressure | Fixed |
| Stem position | Normally open |
| Stroke [mm] | 32.00 mm |
| UK RoHS compliance | Out of scope |
| 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 250 |
General specifications
Characteristic | Value |
|---|---|
| Gross weight | 414.9 Kilogram |
| Net weight | 410 Kilogram |
| Volume | 648 Liter |
Characteristic | Value |
|---|---|
| EAN | 5714279065695 |
| Proposition 65 | Cancer and Reproductive Harm |