Explosion Proof Certification
As part of this change the gost r explosion protection certificate was replaced by the new technical regulation tr cu 0122011 on the safety of equipment for use in potentially explosive atmospheres.
Explosion proof certification. Nmamsha approval workshop msha approvals approval and certification center. In the contrary to the european directive the explosion proof certificate affects only electrical equipment. Explosion proof enclosures xps intrinsically safe circuits instruments and apparatus. This also affects equipment intended for use in potentially explosive atmospheres.
May 21 and 22 2008. There is no one single standard universally followed for explosion proof certification. All components need to be certified and then there has to be an additional certification for the way they are connected together as the system is built. Why is msha approval required.
From a basic design standpoint an explosionproof device must be able to withstand an explosion within the enclosure. The certificate of conformity for ex proof equipment this document is sometimes called as the explosion protection certificate is a document which proves that duly identified ex proof equipment conforms to the specific standard for the type of explosion protection. A company cant build a vacuum with an explosion proof motor and say that its explosion proof. In europe compliance with atex directive 949ec is mandatory when installing and commissioning electronic or mechanical devices in hazardous locations.
It is listed in the decree no982 issued on december 01 2009 by the government of the russian federation about the approvalof the single listof products subject to mandatory compliance and in the newsletter of the rosstandart 101 323615 issued on april 29 2011 about the last. Certification of the motor is one step. Federal mine safety health act of 1977 public law 91 173. Explosion proof certification services from sgs opening the door to the global market for equipment intended for use in explosive atmospheres.