Product data sheet
Valve
1-921-49-0815-7505-XX,
November 4, 2025
Seat Valve pneum. direct
Series 1/921-0815
Valve 1/921-49/0815/7505-XX
The application area of the pressure-controlled type 1/921-0815 is the technology area of refuelling with compressed natural gas (CNG) and hydrogen (H2) up to 500 bar. This is a pilot-operated spring-loaded valve which is operated with a gaseous control medium. Safety position 'closed with spring force'. Applications: Refuelling systems, compressors, storage systems for natural gas and hydrogen. Version available on request with fine thread 7/16" UNF and 9/16" UNF.
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Valve 1/921-49/0815/7505-XX
Datasheet explicit
| Version | 1/921- | |
| Type of valve | Seat Valve pneum. direct | |
| Connection type, valve seat | 49 | G1/4 10mm |
| Kv-value (Δp = 1 bar H₂O) | 1 m³/h | |
| Housing | 08 | AISI 316 Ti |
| Sealing | 15 | PEEK/PCTFE-HP |
| Function | 7 | NC | fail safe closed |
| Design | 5 | Actuator nickle plated |
| Actuator size | 05 | ⌀50 |
| Actuator volume | 60 cm³ | |
| Valve option | XX | with spring CLOSING |
| Pressure rating | PN500 | |
| System pressure | 0 - 320 bar | |
| Control pressure | 4 - 10 bar | |
| Temperature Medium | from -40 °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 | XX | with spring CLOSING |
| Description | ||
| Leakage rate | A - EN 12266-1 [Test medium air or nitrogen, 20°C room temperature] | |
| REACH-RoHS conformity | REACH Yes | RoHS Yes | |
| Net weight | 6 kg | |
| Customs export | Customs tariff number 84812090; Country of origin Germany; ECCN (US): N; AL: N |