The BPG range comprises 16 sizes of enclosure manufactured in glass reinforced polyester. The polyester is highly resistant to contamination from oils, fats, aliphatic and aromatic carbohydrates, bacteria and enzymes. It is also suitable for LSOH (low smoke zero halogen) applications. This material gives excellent mechanical strength and life expectancy. The wall thickness is sufficient to allow tapped entry holes to be machined in the walls of the enclosure and it provides a very good alternative to aluminium or cast iron.
Abtech mould the BPG range from SMC material rather than DMC which is the most common form of GRP. In this method the glass reinforcement takes the form of sheets rather than short strands. This gives much greater mechanical strength and also in the event of the enclosure being exposed to extreme heat.
Under fire test conditions the structure holds together even if the resin is depleted. The BPG range when fitted with ceramic terminals meets the requirements of IEC 331 (750�C for 3 hours) and also BS6387/1983 (950�C for 3 hours – flame only).
The BPG junction box has excellent ingress protection qualities (IP66/67) due to the enclosure’s labyrinth seal system, whereby the seal is protected from external forces. The mounting holes, although contained within the profile of the enclosure, are also designed to sit outside the seal maintaining the integrity of the seal.
The BPG range has also passed the Shell/ERA deluge test which was devised to adequately test enclosures and electrical equipment which is routinely subjected to ships decks conditions or fire deluge systems.
All external fasteners and fixings are manufactured from 316 grade stainless steel to ensure reliability. The BPG is suitable for operation in ambient temperatures ranging from -70�C to 130�C. For certified apparatus contact Sales Department for ambient operating temperatures.
The BPG range can be machined, drilled, tapped with various thread forms, painted and of course it can be moulded in a variety of colours which gives a much improved durability of colour over painting.
The BPG range is also available carbon loaded (BPGC) which helps to reduce the surface resistance of the material and consequently reduce the risk of spark from static build up.
Earthing can be accomplished by various means. External/internal earth stud which in turn can be connected to the terminal mounting rail or component mounting plate, an ECP (earth continuity plate) can be fitted around the inner walls to provide continuity for cable glands and various in rail mounted earth terminals or proprietary earth bars can be fitted inside the enclosure.
The BPG and BPGC enclosures are suitable for use in hazardous areas, specifically ATEX and IECEx Ex ‘e’ (Zone 1 & 2), EEx ‘nA’ (Zone 2) and NEMA 4X (CSA, UL & FM class 1, div 2).
The BPG range can be supplied fitted with any component approved terminal to apparatus level or can be supplied empty as component approved for the clients own certification requirements.