Description
The Ridart 181 ENP is an inline deflagration flame arrester preventing fire propagation into pipelines handling flammable gases and vapors. Certified to EN ISO 16852:2016 and ATEX Directive 2014/34/EU, it covers Explosion Group IIB3. Compatible with gases having MESG > 0.65 mm. Suitable for Stage I vapor recovery systems now.
Features
- Ribbon coil deflagration element — stainless steel coil and support
- Inline installation for hydrocarbon and chemical pipelines
- Stage I vapor recovery compliant
- ATEX certified — all zones (0, 1, and 2)
- Explosion Group IIB3 — compatible with gases where MESG > 0.65 mm
- Maximum distance from potential ignition source: 50 pipe diameters
- Maximum operational pressure (relative): 0.1 bar
- Maximum operational temperature: 60°C
- Burning rating: BC=b, tBT = 1 min
- PTFE-coated variant available for special fuels, non-aggressive solvents, and chemical products
Compatible Gases & Vapours
Certified for use with gases and vapours where MESG > 0.65 mm, including: Ammonia, Methane, Carbon monoxide, Propane, Butane, Pentane, Hexane, Heptane, Iso-octane, Decane, Benzene, Xylene, Cyclohexane, Acetone, Ethyl methyl ketone, Methyl acetate, Ethyl acetate, Butyl acetate, Amyl acetate, Chloroethylene, Methanol, Ethanol, Iso-butanol, Normal butanol, Amyl alcohol, and Ethyl nitrite.
Options
- Standard (181 EN P): Brass body — for traditional fuels without additives
- PTFE-coated (181 EN P PTFE): Brass body with PTFE coating — for special fuels, non-aggressive solvents, and chemical products
Applications
- Hydrocarbon and chemical product pipelines
- Stage I vapor recovery systems
- Fuel storage and dispensing facilities in ATEX-classified zones
- Industrial process pipelines handling flammable gases and vapours
Certifications
- Directive 2014/34/EU (ATEX)
- EN ISO 16852:2016
- UE-Type Examination Certificate: EPT 18 ATEX 3053 X
- Explosion Group IIB3 (tested with Ethylene)
