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Relief Panel Device - DVPUL

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Relief Panel Device - DVPUL

Category:

Relief device

DVPU relief panel device

Product accessories:

Detailed Introduction

Energy storage systems, depending on their enclosure dimensions and application scenarios, typically comprise hundreds or even thousands of lithium-ion cells. Lithium ions are highly reactive; when a lithium-ion cell experiences thermal runaway—such as due to short circuiting or puncture—it can release large quantities of flammable gases, including hydrogen, methane, ethylene, and carbon monoxide. If a single cell in the battery pack fails, it can very likely trigger combustion or even an explosion of all the cells in the pack.

The pressure-relief panel assembly is installed on the top of the outdoor energy-storage cabinet. In the event of an explosion, the assembly opens along a predetermined zone, releasing the pressure from the cabinet into the surrounding safe area.

Secured to the cabinet body with bolts, facilitating installation and maintenance.
External weatherproof cover for all-weather protection.
It is internally lined with thermal insulation cotton, providing the same thermal performance as the cabinet body.

Product Name	DVPUL
Operating ambient temperature	-40℃ ~ +60℃
Static opening pressure	0.01 MPa ± 25% at 22°C
Vacuum/Back Pressure	-0.003 MPa
IP rating	IP66
Work stress	0.1 MPa(A) ± 2%

Single-layer SUS 304
EPDM sealing gasket (-40°C ~ +80°C)
Includes flange + rubber gasket
Climate Protection Shield
Thermal conductivity of thermal insulation cotton:

- ≤0.035 W/(m·K) (10℃)

- ≤0.040 W/(m·K) (70℃)

Water-free retention and seismic design

Diameter (mm)	External dimensions (mm)	Relief area (mm²)
230×305	330×405	68000
305×457	405×557	136000
400×400	500×500	160000
400×700	500×800	280000
457×610	557×710	274000
378×810	450×882	300000
457×762	557×862	341000
457×915	557 times 10 to the power of 15	414000
610×610	710×710	367000
610×762	710×862	459000
610×915	710×1015	552000

EN14994
EN14797
NFPA68

First, select the type of explosion-relief panel product, and choose either top insulation or bottom insulation based on your requirements.

The thickness direction of the upper thermal-insulation venting panel extends above the installation interface, providing superior and reliable weather resistance for long-term outdoor use. In contrast, the thickness direction of the lower thermal-insulation venting panel lies below the installation interface, which helps save space above the enclosure and facilitates transportation and storage.

Secondly, provide the corresponding parameters and select the dimensions of the pressure-relief panel through compliant calculations.