Stainless Steel Flange Procurement for ISRO

The Department of Space, through the Indian Space Research Organization (ISRO), is hereby issuing an invitation to tender for the procurement of various types of Stainless Steel Flanges. This tender, identified by Bid Number GEM/2026/B/8183811, is being managed by the Isro Propulsion Complex Mahendragiri Tamilnadu. Bidders are invited to submit their proposals commencing on 27-10-2026 at 3:37 PM and concluding on 17-11-2026 at 4:00 PM. The Bill of Quantities (BOQ) specifically outlines the requirement for Stainless Steel Flanges, including but not limited to, SS SORF Flange in DN40 and DN50 sizes with Class Rating-150, and a comprehensive range of SS Blind Flanges in various nominal diameters (DN15, DN20, DN25, DN40, DN80, DN100) across Class Ratings of 150, 300, and 2500. Additionally, SS Weld Neck Flange in DN40 Class Rating-2500 is also included. The total quantity required across all specified items is 410 units. This procurement is a critical component for the operational needs of the Department of Space, and interested parties are encouraged to review the detailed specifications and submission requirements within the tender documents.