Product data sheet
Valve
D7901-0401-8008-UN,
November 8, 2024
Seat Valve pneum. direct
Series D7901-C7911/04
Valve D7901/0401/8008-UN
Universal 3/2-way pressure and externally controlled valve with flange connection. Inlet pressure (p) can optionally be applied to all 3 connections. Type 79 can therefore be used as a mixing valve, distribution valve and change-over valve.
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Valve D7901/0401/8008-UN
Datasheet explicit
Datasheet universal
datasheet 79-04
Instructions
Manual - Valves electropneumatic (DE/EN)
| Version | D | |
| Type of valve | 79 | Seat Valve pneum. direct |
| Connection type, valve seat | 01 | DN15 15mm |
| Kv-value (Δp = 1 bar H₂O) | 6.8 m³/h | |
| Housing | 04 | EN-GJL250 grey cast |
| Sealing | 01 | NBR |
| Function | 8 | OPEN with spring |
| Design | 0 | straight seat, actuator aluminium |
| Actuator size | 08 | ⌀80 |
| Actuator volume | 260 cm³ | |
| Valve option | UN | Universal |
| System pressure | 0 - 12 bar (the max. operating pressure requires a control pressure of min. 6 bar) | |
| Control pressure | 6 - 8 bar | |
| Temperature Medium | from -10 °C to 80 °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 |