Pressurised enclosures for Ex-zones
The Ex p protection level is only used when no simple solution is possible with Ex d and/or Ex e. This method of protection is exceptional and demands a great deal of expertise for successful implementation. Of course, compressed air or an inert gas must be present for this protection method. Ysebaert NV offers a fully certified system that is suitable for installation in zone 1/21. The corresponding certificate covers the enclosure, the contents and the Ex p system. For manufacturers a (simplified) zone 2/22 Ex p system is available.
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Examples
- Installation of analyser
- Installation of displays
- Monitors
- Large devices
- …
Pressurised enclosure housing material
- 304 stainless steel = standard
- 316 stainless steel
- Glassfiber reinforced polyester
- Aluminium
- Steel plate
Classifications
- II 2 G Ex px IIC T4 Gb
- II 2 (1)G Ex px [ib] IIC T4 Gb
- II 2 D Ex p IIIC T..°C Db
- II 3 G Ex pz[nL] IIC T4 Gc
- II 3 D Ex p IIIC T..°C Dc
Pressurised housing certification
- BVS 03 ATEX E 147 (= zone 1/21)
- BVS 03 ATEX E 147 EC declaration
- BVS 10 ATEX E 145 (= zone 2/22)
- BVS 10 ATEX E 145 EC declaration