# valve stem

> self-contained valve which opens to admit gas to a chamber and automatically closes to prevent the gas from escaping

**Wikidata**: [Q1206759](https://www.wikidata.org/wiki/Q1206759)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Valve_stem)  
**Source**: https://4ort.xyz/entity/valve-stem


## References

1. Freebase Data Dumps. 2013