Nuclear Power Corporation of India Limited Shaft & Primary Water Pump Spare Parts Tender 2026 – KSB OEM Provisions, GeM Custom Bid

Tender Overview

The Nuclear Power Corporation of India Limited (NPCIL) through the Department of Atomic Energy invites a tender for supply of spare parts for the primary water pump assembly. Key items include shaft components (cpk p35-80 s heavy duty, part no 210), bearing brackets (part no 330), neck ring (part no 457), throttle bush (41.8-49 dia × 10), thrower (part no 507), circlip (80×2.5), and mechanical seal set (cpk cm 65-250, part no 433). The BOQ comprises 13 items, with the scope limited to the supply of goods. The procurement is framed as a proprietary spares purchase with OEM qualification restricting bidding to M/s. KSB LIMITED. The GeM portal pre-registration and brand selection are required, with a 25% quantity variance option during contract execution.

Technical Specifications & Requirements

• Product category: Spare parts for primary water pump assembly (cpk p35-80 s heavy duty; p35-80 s rpk; cpk cm 65-250; seals, gasket sets, O-rings, fasteners)
• Part numbers/dimensions referenced: 210 shaft, 330 bearing bracket, 457 neck ring, 41.8-49 dia × 10 throttle bush, 507 thrower, 80×2.5 circlip, r1-4 oil level indicator, 433 mechanical seal, 421 shaft seal rings (A35-52×7 and A32-47×7), 638 oiler, 542 diameter, 932 size, 638 oil canister material (moc-al-glass)
• Installation/compatibility: OEM-aligned with CPK 65-250 pump series; compatibility with existing NPCIL assemblies
• Standards/quality: No explicit standards listed in data; bidders must refer to KSB OEM specifications and NPCIL acceptance criteria
• Delivery scope: Bid price to include all cost components; scope is strictly the supply of goods; delivery schedule to be governed by option clause (up to 25% quantity variation)
• Contractual caveat: Proprietary purchase under spares; pre-registered Brand on GeM; brand must be chosen from pre-approved list; communication to be conducted through GeM portal

Terms, Conditions & Eligibility

• Option clause: Quantity may be increased/decreased by up to 25 percent of bid quantity at contract placement and during currency at contracted rates. Additional time calculations apply (minimum 30 days).
• Scope: Only supply of Goods (no services).
• Buyer-added ATC: OEM-licensed vendor must be M/s. KSB LIMITED; proprietary spares procurement.
• Brand registration: Sellers must pre-register brands on GeM; select from pre-approved brand list at bid time.
• Communication: All bid-related queries and price adjustments to be handled via GeM portal; no external email obligations implied by buyer.
• Total items in BOQ: 13 items; detailed item-wise quantities not disclosed (N/A).
• Delivery terms and payment details: Not specified in the data; bidders must align with GeM and procurement terms.