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SV Series Flame Arresters

Features & Benefits
  • Lightweight arresters in zinc alloy or aluminium alloy
  • Optional weatherhood for protection from the elements
  • Male to female connection adapters available

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Principles of Operation

The Elmac Technologies® SV Series of Light Duty End-of-line Flame Arresters are designed for installation at the end of a pipeline, or on an atmospheric vent, from vessels where flammable gases or vapours may be present. SV Flame Arresters provide a cost-effective solution for situations where a simple lightweight product is required. Typical applications include gas purging of equipment and sample or instrumentation lines.

The Elmac SV Series Flame Arresters use elements with small apertures which allow gases or vapours to pass. During a deflagration, the combustion products are cooled at the element surface by heat dissipation. This prevents continuation of the combustion process through the arrester and into the protected vent line.

Explosion Groups

Elmac SV Series End-of-line Arresters are ATEX certified for gas explosion groups IIB3 at a maximum operating temperature of +60°C.

Standards Compliance

Elmac Flame Arresters are manufactured in accordance with EN ISO 16852 and approved to ATEX Directive 2014/34/EU.

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SV Series - Model Specifications

Size NB (mm)Model Number (with weatherhood)Model Number (without weatherhood)Screw ConnectionApproximate Weight (kg)
15SV15FHSV15F1/2” BSPT female0.1
20SV20MHSV20M3/4” BSPP male0.1
25SV25MHSV25M1” BSPP male0.2
50SV50MHSV50M2” BSPP male0.3

SV Series - Material Specifications

DescriptionSV15FHSV20MHSV25MHSV50MH
BodyMazak 3 Zinc AlloyMazak 3 Zinc AlloyMazak 3 Zinc AlloyLM6 Aluminium Alloy
Element Core316L Stainless Steel316L Stainless Steel316L Stainless Steel316L Stainless Steel
Element Core Retaining RingAluminiumAluminiumAluminiumAluminium
WeatherhoodAluminiumAluminiumAluminiumAluminium
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