Product data sheet
Valve
D7903-0522-7005-UN,
November 24, 2024
Seat Valve pneum. direct
Series D7901-C7911/05
Valve D7903/0522/7005-UN
3/2-way Valve Type 79 is externally controlled with flanged connection for universal use. The inlet pressure (p) can be optionally fed at either of the three connections. Thanks to this, type 79 can be used as a mixing valve, distribution valve and on/off valve.
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Valve D7903/0522/7005-UN
Datasheet explicit
Datasheet universal
datasheet 79-05
Instructions
Manual - Valves electropneumatic (DE/EN)
| Version | D | |
| Type of valve | 79 | Seat Valve pneum. direct |
| Connection type, valve seat | 03 | DN25 25mm |
| Kv-value (Δp = 1 bar H₂O) | 11.5 m³/h | |
| Housing | 05 | EN-GP240GH cast steel |
| Sealing | 22 | FKM/FKM |
| Function | 7 | in restposition P-A closed |
| Design | 0 | straight seat, actuator brass |
| Actuator size | 05 | ⌀50 |
| Actuator volume | 60 cm³ | |
| Valve option | UN | Universal |
| System pressure | 0 - 3 bar (the max. operating pressure requires a control pressure of min. 6 bar) | |
| Control pressure | 6 - 8 bar | |
| Temperature Medium | from -10 °C to 140 °C | |
| Temperature Environment | from -10 °C to 60 °C | |
| Mounting position | in any position | |
| Specific use case | Closed system (includes open system) | |
| scope of delivery | 1 valve |
Not applicable
| Valve option | UN | Universal |
| Description | Universal design | |
| REACH-RoHS conformity | REACH Yes | RoHS Yes | |
| Customs export | Customs tariff number 84812090; Country of origin Germany; ECCN (US): N; AL: N |