Supply of 10 Pressure Relief Valves (PSVs) at PSO Central Store Keamari Terminal

Pakistan State Oil Company Limited (PSO) invites quotations for the supply of 10 Pressure Relief Valves (PSVs) to be delivered at PSO Central Store Keamari Terminal in Karachi. This procurement is critical for maintaining safety and operational efficiency at the terminal. Items being procured: - Pressure Relief Valve 1" x 3/4" (Quantity: 10 units) The Pressure Relief Valves must comply with specifications detailed in PSO-PSV-011 datasheet including thermal relief valve type, full nozzle, spring loaded, bonnet type closed, and cap screwed. The inlet size is ¾ inch and outlet size 1 inch, both flanged Class 150 ASME B16.5. Service fluids include refined petroleum products such as gasoline, diesel, kerosene, Jet A-1, LDO, and furnace oil. The valves must meet API standards 520 Part 1, 521, and leakage code API Std 527. Operating pressure ranges from zero to 150 psig with set pressure at 50 psig and back pressure 0-5 psig. Temperature operating range is -10°C to 60°C with maximum ambient temperature 55°C and allowable overpressure of 10%. Bidders must submit complete technical literature specifying brand, model, and compliance with the datasheet along with the technical bid. Calibration of valves as per datasheet is included in the scope and will not be paid separately. Valves must be new, from fresh stock, and accompanied by Material Test Certificates (MTC). Warranty covers defects in materials and workmanship for 18 months from delivery or one year from commissioning, whichever is earlier. Supplier is responsible for replacement and installation at no extra cost if defects arise within warranty period. Delivery must be made to PSO Keamari Terminal - B within 30 days from signing the Purchase Order. Final acceptance will be subject to inspection by PSO representatives upon delivery. Penalty for delay is 0.1% of Purchase Order value per day, capped at 10%. Interested bidders should ensure compliance with all technical and procedural requirements. Submission deadline is **16 November 2026**. Bidders are advised to prepare their bids carefully, ensuring all documentation and Earnest Money requirements are met to avoid disqualification.