The Anatomy of a Kitchen Disaster
Picture this scenario: a rubber hose has slipped loose from a stove burner, or a hot cooking pot fell and sheared the gas pipe. What happens next?
With an ordinary gas regulator, the regulator simply "sees" a sudden reduction in downstream pressure. Believing the stove burners are operating at high demand, the regulator diaphragm opens wider, pumping out pressurized gas at maximum volume! In a matter of seconds, tens of liters of combustible gas flood the room until a nearby flame or refrigerator relay switch ignites the mixture.
The Physics of the IGT Excess Flow Valve
Danish IGT safety regulators operate on a fundamentally different principle called Excess Flow Protection (EFP).
- Inside the regulator's discharge port sits a precision-machined brass ball or poppet held back by a calibrated stainless-steel spring.
- Under normal cooking usage, the gas velocity does not exert enough kinetic pressure to compress the spring.
- The moment the hose ruptures or snaps, the massive rush of gas velocity forces the poppet forward, slamming it against a precision sealing seat.
- This seals the regulator shut within milliseconds—cutting off 100% of the gas before it can accumulate into an explosive cloud.
Real-World Testing and Standards
IGT regulators undergo rigorous laboratory burst tests in Denmark and are certified to meet European Standard EN 16129 and ISO 9001 quality manufacturing benchmarks. Rather than hoping your family reacts quickly in a crisis, an IGT regulator acts automatically and instantly.