Parveen Industries Pvt. Ltd. Manufactures Studs and Nuts. The Studs and Nuts fall in the category of the Flanges and Pipe Fittings. Parveen Industries Pvt. Ltd. Is an ISO 9001: 2000 certified company. The Studs and Nuts are available in various materials and sizes. The Ring Joint Gaskets are manufactured in all sizes and materials to ASME B 16.20 & API6A. The Flanged, Studded Crosses and Tees ranges in sizes 1.13/16 inch to 4.1/16 inch and with pressure ratings from 2000 PSI to 20000 PSI. The Pipe Fittings Butt-Welded is Elbows, Returns, Tees, and Reducers etc. As per ASME B-16.9. The Butt -Welded Ends are prepared as per ANSI B-16.25.