Designed for connection to the outlet of regulators and pipelines in medium flow applications. Non-return valve. Large cylindrical stainless steel flame arrestor. Medium-flow capacity. Supplied with an inlet filter. Temperature activated the cut-off valve. Complies to AS4603. Conforms to EN730/DIN 8521, UL, ISO 5175 class I (fittings to AS4267-1995). Tested by BAM.
NB: the thermal cut-off sealing element is not in the gas stream and is shrouded from flashbacks. The cut-off valve closes in the direction of flow assisted by a strong spring at an internal temperature of approximately 90°. The operation is not indicated and the cut-off valve is not resettable by the user.
