GEM

NLC Tamil Nadu Power Limited Wafer Butterfly Valve Procurement Tamil Nadu DN100 DN40 400°C PN16 2025

Posted

26 Oct 2025, 02:20 pm

Deadline

17 Nov 2025, 03:00 pm

Location

TUTICORIN , TAMIL NADU

Progress

Issue26 Oct 2025, 02:20 pm
AwardPending
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Quantity

46

Category

ST020340966- DN100, wafer type metal seated butterfly valve for steam, 10kg cm2, 400degC, body WCB, disc CF8M, PN16

Bid Type

Two Packet Bid

Key Highlights

  • • Organization: NLC Tamil Nadu Power Limited; location: Tamil Nadu, Tuticorin area; procurement category: wafer butterfly valves for steam and oil vapour
  • • Valves: six items including DN100 DN40 DN125 with pressures 5–10 kg/cm2, 100–400°C and PN10/PN16; body WCB, disc CF8M, seats nitrile/PTFE
  • • Materials/standards: PTFE bush, polyacetal bush, nitrile seats; stainless/steel not specified; no explicit IS/ISO codes listed in data
  • • Delivery: option to increase/decrease quantity up to 25%; delivery period rules based on last delivery order date with minimum 30 days
  • • Inspection: post-receipt inspection at NTPL stores, Tuticorin; pre-dispatch inspection not applicable
  • • Documentation: PAN, GSTIN, cancelled cheque, EFT Mandate; certificates required; deviations must be attached in schedule

Categories 6

FLUID MECHANICS EQUIPMENT VALVE PARTS AND ACCESSORIES SLIDER VALVES TURBINE BUSH VALVE

Tender Overview

Organization: NLC Tamil Nadu Power Limited; procure wafer butterfly valves in multiple sizes for steam and oil vapour services. Quantities span six valve items with DN100 (steam 10 kg/cm2, 400°C), DN100 (oil vapour PN10, 100°C), DN40 (oil vapour PN10, 100°C), and DN125, DN100, DN40 variants with corrosion/seat material details. Location: Tamil Nadu, Tuticorin area; scope: supply of goods only. A 25% quantity variation clause is included; delivery timing linked to last delivery order date. Inspection is at NTPL stores, Tuticorin. Required documents include PAN, GSTIN, cancelled cheque, and EFT mandate. The bid also requires deviation schedules and full conformity to ATC terms. This tender emphasizes complete, single-bid submission for all six items.

Technical Specifications & Requirements

  • Product category: wafer type butterfly valves (steam and oil vapour applications)
  • Sizes/ratings: DN100 metal seated steam valves 10 kg/cm2, 400°C; DN100 metal seated steam, PN16; DN40 soft seated oil vapour, PN10, 100°C; DN125 metal seated steam, 10 kg/cm2, 400°C; DN40 metal seated steam, PN16; DN100 wafer type valves with PTFE bush and nitrile seats
  • Body/Disc/Bush materials: WCB body, CF8M disc, PTFE/Nitrile seats, bush materials including polyacetal
  • Quality/Certification: Certificates must be uploaded per ATC; vendor deviation schedule to be attached
  • Delivery/Inspection: Post-receipt inspection at NTPL stores, Tuticorin; pre-dispatch inspection not applicable
  • Special terms: Optional quantity increase/decrease up to 25%; delivery period adjustments based on formula, minimum 30 days

Terms, Conditions & Eligibility

  • Scope: Bid price to include all costs; only supply of goods
  • Documentation: Submit PAN Card, GSTIN, Cancelled Cheque, EFT Mandate (bank-certified)
  • Delivery/Inspection: Delivery terms tied to last order date; Post-receipt inspection at NTPL Tuticorin
  • ATC requirements: Deviation schedule required; upload all certificates/documents or bid rejection
  • Bid evaluation: Total value basis; ensure quotes for all six items; deviations may incur rejection

Key Specifications

  • DN100 steam valve: 10 kg/cm2, 400°C, metal seated, body WCB, disc CF8M, bush PTFE

  • DN100 steam valve (PN16): WCB body, CF8M disc, PTFE bush, 400°C

  • DN40 oil vapour valve: 5 kg/cm2, 100°C, soft seated, WCB body, nitrile seat, PN10

  • DN125 steam valve: 10 kg/cm2, 400°C, metal seated, bush PTFE, disc CF8M, body WCB, PN16

  • Material/seat details: nitrile seats for oil vapour versions; polyacetal bush where specified

  • Inspection: NTPL Tuticorin post-receipt inspection; pre-dispatch not applicable

Terms & Conditions

  • Quantity variation up to 25% during contract at contracted rates

  • Post-receipt inspection at NTPL stores, Tuticorin; pre-dispatch not applicable

  • Submit PAN, GSTIN, cancelled cheque and EFT mandate with bid

Important Clauses

Payment Terms

Not explicitly stated in data; ensure bid includes all costs and complies with ATC

Delivery Schedule

Delivery period linked to last date of original delivery order; extended time formula based on additional quantity with minimum 30 days

Penalties/Liquidated Damages

Not specified in data; ensure awareness of delivery penalties per ATC terms

Bidder Eligibility

  • Submit PAN, GSTIN, cancelled cheque, EFT mandate

  • Provide OEM authorizations if required by ATC

  • Agree to 25% quantity variation and delivery extension rules

Bill of Quantities (BOQ) 6 Items

Item # Title Description Quantity Unit Consignee Delivery (Days)
1 ST020340966- DN100, wafer type metal seated butterfly valve for steam, 10kg cm2, 400degC, body WCB, disc CF8M, PN16 ST020340966- DN100, wafer type metal seated butterfly valve for steam, 10kg cm2, 400degC, body WCB, disc CF8M, PN16 8 nos gemc1@ntpl 90
2 ST020340965- DN100, wafer type soft seated butterfly valve for oil vapour, 5kg cm2, 100degC, body WCB, disc CF8M, seat nitrile, bush polyacetal, PN10 ST020340965- DN100, wafer type soft seated butterfly valve for oil vapour, 5kg cm2, 100degC, body WCB, disc CF8M, seat nitrile, bush polyacetal, PN10 4 nos gemc1@ntpl 90
3 ST020340964- DN40, wafer type soft seated butterfly valve for Turbine Pedestal OVEF line oil vapour, 5kg cm2, 100degC, body WCB, disc CF8M, seat nitrile, bush polyacetal, PN10 ST020340964- DN40, wafer type soft seated butterfly valve for Turbine Pedestal OVEF line oil vapour, 5kg cm2, 100degC, body WCB, disc CF8M, seat nitrile, bush polyacetal, PN10 10 nos gemc1@ntpl 90
4 ST020340969- DN125, wafer type metal seated butterfly valve for steam, 10kg cm2, 400degC, body WCB, disc CF8M, bush PTFE, PN16 ST020340969- DN125, wafer type metal seated butterfly valve for steam, 10kg cm2, 400degC, body WCB, disc CF8M, bush PTFE, PN16 12 nos gemc1@ntpl 90
5 ST020340967- DN100, wafer type metal seated butterfly valve for steam, 10kg cm2, 400degC, body WCB, disc CF8M, bush PTFE, PN16 ST020340967- DN100, wafer type metal seated butterfly valve for steam, 10kg cm2, 400degC, body WCB, disc CF8M, bush PTFE, PN16 4 nos gemc1@ntpl 90
6 ST020340968- DN40, wafer type metal seated butterfly valve for steam, 10kg cm2, 400degC, body WCB, disc CF8M, bush PTFE, PN16 ST020340968- DN40, wafer type metal seated butterfly valve for steam, 10kg cm2, 400degC, body WCB, disc CF8M, bush PTFE, PN16 8 nos gemc1@ntpl 90

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Required Documents

1

PAN Card copy

2

GSTIN copy

3

Cancelled cheque copy

4

EFT Mandate certified by Bank

5

Technical bid documents

6

OEM authorizations (if applicable)

7

Deviation schedule (ATC requirement)

8

Certificates uploaded as per ATC and Corrigendum

Frequently Asked Questions

How to bid for wafer butterfly valves tender in Tamil Nadu?

Bidders should prepare six item quotes covering all valve sizes (DN100, DN40, DN125) with steam and oil vapour ratings. Include PAN, GSTIN, cancelled cheque, and EFT mandate. Upload ATC-compliant certificates and a deviation schedule; comply with the 25% quantity variation clause and post-receipt inspection at NTPL Tuticorin.

What documents are required for valve tender submission in Tamil Nadu?

Submit PAN, GSTIN, cancelled cheque, EFT Mandate, technical bid documents, OEM authorizations where applicable, and certificates requested in ATC. Ensure six-item bid covers all quantities; deviations must be listed in the deviation schedule to avoid rejection.

Which delivery terms apply to NLC Tamil Nadu Power Limited valve contract?

Delivery is governed by the last date of the original delivery order, with potential extension using the option clause. Additional time is calculated as (increased quantity / original quantity) × original delivery period, minimum 30 days, and may extend to the original period.

What are the key valve specifications for DN100 and DN40 items?

DN100 steam valves: metal seated, 10 kg/cm2, 400°C, WCB body, CF8M disc, PTFE bush; DN40 oil vapour: soft seated, 5 kg/cm2, 100°C, WCB body, nitrile seat, polyacetal bush, PN10. Include six-item scope in bid.

What inspection steps are required for NTPL Tuticorin valve supply?

Post-receipt inspection will occur at NTPL stores, Tuticorin. Pre-dispatch inspection is not applicable unless ATC specifies. Ensure products meet ATC standards and certificates uploaded are compliant with tender terms.

What is the scope of supply for this valve tender?

Scope is strictly the supply of goods (valves) with all cost components included in the bid price. The bidder must quote for all six items; partial bids may be rejected per ATC terms.

Are deviations allowed in the bid for valve procurement?

Yes, deviations must be listed in the attached deviation schedule; otherwise, the bid is considered to reflect acceptance of all bid terms and conditions. Ensure deviations are clearly documented and attached.

What are the post-approval payment terms for the NTPL valve contract?

Payment terms are not explicitly stated in the data; bidders should align with ATC terms and provide clear payment milestones in their bid, ensuring documentation supports timely payments after delivery and acceptance.