Profile: Airvac Technical Services Inc. specializes in the sales, service, and refurbishing of Nash series vacuum pumps and compressors. All of our pumps and compressors have been completely restored utilizing optional stainless steel cladding and ceramic coatings of interior vitals. Our standard Nash pump repair kits consist of paper gaskets and general service graphite, non-asbestos, pre-cut packing rings along with the proper size flange protectors.