in line breather valve with fire arrester

In-Line Breather Valve with Flame Arrester

A critical in-line safety device combining a pressure-vacuum relief valve (PVRV) and a flame arrester. Designed to regulate internal pressure in closed systems, prevent structural collapse, reduce vapor loss, and stop flame propagation using a crimped metal ribbon element. Compliant with API 2000, ISO 28300, and ISO 16852.

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Description

Integrated Pressure Control and Flame Protection for Closed Systems

An In-Line Breather Valve with a Flame Arrester is a highly engineered, critical safety device designed to be seamlessly integrated into closed piping and vapor recovery systems. It combines the precise pressure and vacuum regulation of an in-line PVRV with the advanced fire-stopping capabilities of a high-performance flame arrester.

Dual-Action Safety & Vapor Control:

  • Pressure/Vacuum Regulation: Automatically controls internal pressure by venting excess pressure and allowing air or gas intake to prevent vacuum-induced structural collapse, thereby minimizing costly vapor losses.

  • Flame Propagation Prevention: Equipped with a precision crimped metal ribbon element that acts as an advanced quenching matrix. It effectively stops external flames from propagating through the piping system, protecting the tank and downstream equipment from catastrophic explosions and fire risks.

Design & Certifications: Built for maximum reliability, the pressure relief mechanism is designed strictly to API 2000 and ISO 28300 standards, while the integrated flame arrester is fully certified to ISO 16852.

Additional information

Nominal Size

NPS 2” ~ 12”
Outlet Pressure (Venting)

2 mbar ~ 69 mbar (Weight Loaded), 26 mbar ~ 1034 mbar (Spring Loaded)
Inlet Pressure (Vacuum)

2 mbar ~ 43 mbar (Weight Loaded), 43 mbar ~ 48 mbar (Spring Loaded)
Valve Design Standard

API 2000 / ISO 28300
Arrester Design Standard

ISO 16852
Body Material Grade

A216 WCB, A351 CF3/M, A351 CF8/M (Other materials on demand)
Internal Parts Material

A182 F304, A182 F316/L (Other materials on demand)

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