Explosion vent panel BESS.EGV-IAF

Product overview
BESS.EGV-IAF provides proven EGV deflagration venting performance with insulation placed on the inside of the panel facing the BESS interior. Insulation properties can be customised to suit specific BESS layouts and thermal requirements.

Application
BESS.EGV-IAF is the most economical solution for deflagration venting where interior insulation is required. Panels are roof-mounted and vent deflagrations upward to a safe discharge location. Standard burst pressure is 0.1 bar at 22 °C and can be customised down to 0.025 bar to suit the BESS design.

Mechanism
Under a rapid pressure rise during deflagration the vent opens at the predefined breaking points, releasing pressure from the BESS into the surrounding area to protect the structure and components.

Advantages

• Large venting capacity and full-bore opening enabled by low surface weight.
• Fast, stable opening behavior thanks to integrated bionic structure.
• Adapts to various BESS layouts due to the wide range of EGV geometries.
• Quick, torque-independent installation; no additional counter frame required.
• Space savings from integrated gasket and clamping frame within the explosion vent.
• Flexible insulation options to meet thermal and fire-rating requirements.

Models
Part of the BESS.EGV product family (roof-mounted deflagration venting). A related model with exterior insulation is BESS.IKLI-EGV.

Certifications

• Meets the requirements of NFPA 68
• ATEX EU type examination certificate no. FSA 04 ATEX 1538 X
• SIL-Equivalent: SIL 4

Technical data
Burst pressure Pstat: 25-500 mbar
Max. permitted operating pressure: 50% of Pstat
Temperature range: –40 to +180 °C (–40 to +356 °F)
Material: Stainless steel
Gasket material: FDA-approved silicone gasket
Tolerance: ±20% at standard burst pressure
Recommended torque for M10 screws: 20 Nm
Insulation: FEF
Fire rating of insulation: UL 94 V-0
Insulation thickness: 25-100 mm
Insulation thermal conductivity: λ = 0.035 W/m*K

Technical characteristics

• Model name: BESS.EGV-IAF (roof-mounted vent panel with interior insulation)
• Burst pressure range: 25–500 mbar (customisable down to 0.025 bar; standard example: 0.1 bar at 22 °C)
• Operating pressure limit: up to 50% of burst pressure
• Operating temperature range: –40 to +180 °C
• Construction material: stainless steel
• Gasket: FDA-approved silicone gasket integrated in the vent
• Tolerance on burst pressure: ±20% at standard burst pressure
• Recommended M10 screw torque: 20 Nm
• Insulation type: FEF, thickness 25–100 mm, thermal conductivity λ = 0.035 W/m*K
• Insulation fire rating: UL 94 V-0