Danfoss AB-QM 4.0 pressure-independent balancing and control valve (PICV). AB-QM DN 20, without test plugs, External thread, PN25, pressure independent balancing and control valve. Combines automatic flow limitation and differential-pressure control in one DN 20 body; nominal flow 1.1 m³/h, PN 25, DZR Brass (CW 602N) body. Setting range 10 %–100 %, actuator connection M30 x 1.5; driven by a separate Danfoss electric or thermal actuator. OEM P/N 003Z8223. EAN 5714279039559. Technical data quoted verbatim from store.danfoss.com (code 003Z8223).
| Code number | 003Z8223 |
| Type | AB-QM |
| Product group | Pressure independent balancing and control valves |
| Version | AB-QM 4.0 |
| Description | AB-QM DN 20, without test plugs, External thread, PN25, pressure independent balancing and control valve |
| Valve size | DN 20 |
| Connection types | External thread ISO 228/1G 1A |
| Actuator connection | M30 x 1.5 |
| Pressure class | PN 25 |
| Flow nominal [m³/h] | 1.1 m³/h |
| Flow limitation | Yes |
| Differential pressure [kPa] [Min] | 16 KPa |
| Differential pressure [kPa] [Max] | 600 KPa |
| Setting range [%] [min] | 10 % |
| Setting range [%] [max] | 100 % |
| Setting scale | Yes |
| Stroke [mm] | 4 mm |
| Shut-off function | Yes |
| Shut-off leakage rate (ISO 5208) | Rate A |
| Leakage rate with recommended actuator (IEC 60534-4) | Class IV |
| Valve body material | DZR Brass (CW 602N) |
| Test plugs | Without test plugs |
| Mounting position | Supply / return pipe |
| Media temperature [°C] [Min] | -20 °C |
| Media temperature [°C] [Max] | 95 °C |
| Storage and Transport temperature [°C] [Min] | -40 °C |
| Storage and Transport temperature [°C] [Max] | 70 °C |
| Contains batteries | No |
| Gross weight | 0.711 Kilogram |
| Net weight | 0.654 Kilogram |
| Volume | 0.992 Liter |
| EAN | 5714279039559 |
| Material | DZR Brass (CW 602N) |
| Pressure rating | PN 25 |
| Temperature range | -20 to 95 °C |
| MOQ | 1 |
For Danfoss AB-QM 4.0 pressure-independent balancing and control systems. Actuator connection M30 x 1.5; pair with a compatible Danfoss AB-QM actuator. Confirm valve size (DN 20), flow range and thread type against the design schedule before ordering — AB-QM DN/LF/HF and thread variants are not interchangeable.