


| Parameter | Value |
|---|---|
| EAN () | 5702421557358 |
| Type () | AFQM |
| Volume () | 283.5 Liter |
| Function () | Flow controller with int. control valve |
| Net weight () | 71 Kilogram |
| Valve size () | DN 65 |
| Application () | District Heating |
| Description () | AFQM PN16 DN 65 regulating valve |
| Stroke [mm] () | 12 mm |
| Flow control () | Yes |
| Gross weight () | 71 Kilogram |
| Diameter [mm] () | 65 mm |
| Product group () | Pressure flow controllers |
| Stem position () | Normally open |
| Media pH [Max] () | 10 |
| Media pH [Min] () | 7 |
| Pressure class () | PN 16 |
| Flow limitation () | Yes |
| Number of ports () | 2 |
| Connection types () | Flange |
| Function VSP - P () | No |
| Function VSP - Q () | No |
| Function VSP - T () | No |
| Mounting version () | Free |
| Cavitation factor () | 0.5 |
| Flow rate [m³/h] () | 28 m³/h |
| Permissible media () | District heating/cooling circulation water |
| EU RoHS compliance () | Yes with exemptions |
| Kvs values [m³/h] () | 50 m³/h |
| Medium alternative () | Glycolic water up to 30% |
| PN alternative VSP () | 10 |
| UK RoHS compliance () | Out of scope |
| Pressure controller () | No |
| Sealing CV material () | EPDM |
| Sealing DP material () | EPDM |
| Valve body material () | Grey cast iron EN-GJL-250 (GG-25) |
| Valve seat material () | Stainless steel M. No. 1.4021 |
| Actuator size [cm²] () | 250 cm² |
| Leakage rate [% Kvs] () | 0.01 |
| Cavitation factor 25% () | 0.5 |
| Cavitation factor 50% () | 0.51 |
| Cavitation factor 75% () | 0.53 |
| China RoHS compliance () | Out of scope |
| Cavitation factor 100% () | 0.44 |
| Pressure nominal [bar] () | 16 bar |
| Valve cone CV material () | Stainless steel mat. No. 1.4404 |
| Valve cone DP material () | Stainless steel mat. No. 1.4404 |
| Flow rate [m³/h] [Max] () | 28 m³/h |
| Flow rate [m³/h] [Min] () | 5.6 m³/h |
| Actuator diaphragm material () | EPDM (Rolling, fibre enforced) |
| Media temperature [°C] [Max] () | 150 °C |
| Media temperature [°C] [Min] () | 2 °C |
| REACH Candidate List substances () | Lead (CAS no. 7439-92-1) |
| In scope of WEEE and contain batteries () | No |
| Differential pressure range [bar] [Max] () | 20 bar |
| Flow restrictor diff.pressure - dpb [bar] () | 0.2 bar |
| Pressure relieve system control valve insert () | Bellows (Stainless steel M. No. 1.4571) |
| Select if the Shock valve should be with a Fixed pressure or Adjustablepressure () | None |
Technical specifications and performance data
Installation and operation guide