Why Certified Flameproof Hooters Are Critical for Hazardous Zones
In explosive industrial atmospheres such as oil refineries, chemical processing units, solvent extraction plants, and paint storage facilities, standard electrical horns can generate internal sparks capable of igniting ambient gases or volatile vapors. A Flameproof Hooter (Ex d certified) is engineered with a heavy-duty die-cast aluminium alloy LM6 enclosure that safely withstands internal pressure without allowing flames or sparks to escape into the external atmosphere.
As one of the pioneering Flameproof Hooter Manufacturers in India based in Additional Ambernath MIDC, Maharashtra, Flameproof Instrumentation manufactures field-mounting audible signaling devices specifically designed to provide loud warning alerts of 95 dB and 110 dB in Zone 1, Zone 2, and Gas Groups IIA, IIB, and IIC.
Key Technical Specifications of Flameproof Hooters
- Sound Output: 95 dB and 110 dB measured at 1 meter distance for clear acoustic penetration over ambient factory noise.
- Hazardous Area Classification: Zone 1 & Zone 2, Gas Groups IIA, IIB, and IIC.
- Enclosure Material: Die-cast Aluminium Alloy LM6 with high corrosion resistance and epoxy powder-coated finish.
- Operating Voltage: 230V AC, 110V AC, 24V DC, or 12V DC options.
- Ingress Protection: IP66 Weatherproof with high heat-resistant Neoprene/Silicone gaskets.
- Statutory Approvals: Approved by CIMFR / CCOE (PESO) and manufactured under ISO 9001:2015 certified quality systems.
Industrial Applications
Flameproof hooters are widely deployed across Public Sector Undertakings (PSUs), offshore platforms, fertilizer complexes, and pharmaceutical plants to indicate plant evacuation, gas leaks, boiler pressure anomalies, and fire emergency conditions. Units can be integrated with DCS, SCADA, or localized flameproof push button stations.
Require a Certified Quote for this Product?
Speak directly with Aditya / Technical Sales Desk for pricing and PESO certificates.
Frequently Asked Questions
Q: What is the decibel range of flameproof hooters?
Flameproof Instrumentation manufactures hooters with standard sound outputs of 95 dB and high-output 110 dB measured at 1 meter distance.
Q: Which gas groups are your flameproof hooters approved for?
Our hooters are certified by CIMFR and PESO for Gas Groups IIA, IIB, and the most volatile hydrogen gas group IIC in Zone 1 and Zone 2.