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Pressurization is generally used for computers that can not be protected by other means, it is large to make it “flame proof” or a power too high to use “intrinsically safe”A wide range of electrical equipment are regularly protected with this technique.Pressurization is a protection method used in hazardous environments such as Zone 1 and Zone 2, to ensure that the inside of an electric enclosure infamable this free gas. Delvalle has a peppex, a perfect solution of pressurized and purge.
Pressurized and Purge enclosures Ex p
Normative:
- ATEX 94/9/EC
- EN 60079-0
- EN 60079-2
- EN 61241-4
- NFPA 496
- EN 50 016
EEUU certifications:
- UL nema 4x
- ISA 12.4
- UL & FM certified: Cl. I, Div. 2, Group A-D. De zone 2 to nonhazardous zone.
- UL & FM certified: Cl. I, Div. 1, Group A-D. De zone 1 to zone 2.
Atex certifications:
- Ex II 3G pz IIC
- Ex II 2G py IIC
- Ex II 3D pD IIIC
- Ex II 2D pD IIIC
