Bi-Directional Overdriven / Unstable Detonation Flame Arresters – UL / ULC / FM / USCG – 25000 / 26000
Documentation
Specifications
Overview
Certified flow curves validating flow characteristics of unit
Bi-directional design stops a flame approaching from either direction in a piping system
Crimped metal arrester element minimizes pressure drops and reduces overall weight
Straight through flow pattern minimizes arrester element fouling and simplifies the cleaning process
Removable and interchangeable arrester element facilitates ease of inspection and maintenance
High strength, welded steel housing hydrostatically tested at 475 PSIG
Pressure retaining housing components are welded in accordance with ASME Pressure Vessel Code, Section IX requirements
Data
Sizes: 25000 – 2” through 18”; 26000 – 2” through 12”
Flanged to mate with standard flanged 150# ANSI
Maximum Initial Pressure: 25000 – 17.2 – 17.7 PSIA*; 26000 – 15.9 – 19.7 PSIA* (*varies based size, see spec sheet for details)
Maximum Initial Temperature: 60⁰ C (140⁰ F)
Housing Configuration: Concentric
Materials: Carbon Steel, Stainless Steel and Alloy C276
Gas Groups: 25000 – NEC Group D | IEC Explosion Group IIA; 26000 – NEC Groups D, C | IEC / ISO Explosion Groups IIA, IIB3
Testing and Certifications: 25000 – UL, ULC & USCG; 26000 – FM, USCG (check spec sheet for various sizes)
For arresters that meet the latest ATEX Directive, refer to Series 25000E / 35000E; Series 26000E / 36000E
Benefits
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