Model 7758A flame/detonation arrester

Stanford, Texas, US-based Groth Corp., a manufacturer of pressure/vacuum relief valves, deflagration and detonation flame arresters, blanket gas regulators, and other low pressure relief products, has released the Model 7758A Detonation and deflagration flame arrester factory mutual approval for NEC group C & D vapors and ATEX certification for IEC explosion groups IIB3, IIB2, IIB1 and IIA. Designed to protect liquid storage tanks containing vapors with MESG equal to or greater than 0.025in, this product also protects against unstable detonations, deflagrations, short time burn and endurance burn (with temperature sensor) for NEC group C and D vapors (IEC explosion groups IIB3, IIB2, IIB1 and IIA). The Groth Model 7758A Flame/Detonation Arrester is available in standard flange sizes of 2in – 12in and in carbon steel, stainless steel or Hastelloy C. Other materials are available upon request. This new product, tested and approved for elevated preignition pressures, can be ordered with factory installed temperature sensors.
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