At Ejector – Vacuum technology, we are committed to supplying vacuum systems that provide our customers with the opportunity to grow their business profitably. In addition to ASME (U, S, NB, R) we regularly compliance with PED, CRN, CCOE, GOST, DOSH, IBR, AS1210. http://www.aahanagiffard.com/products/Ejectors_Vacuum_System/2/Ejectors/1