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Deadline not statedrfiUnited Kingdom

Split Butterfly Valve for Powder Transfer Applications

Issued by UNITED KINGDOM NATIONAL NUCLEAR LABORATORY LIMITED · via UK Find a Tender Service

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Published
9 Oct 2026
Reference
NNLC842
Location
United Kingdom
Sector
Manufacturing & Supply
Type
goods

At a glance

UNITED KINGDOM NATIONAL NUCLEAR LABORATORY LIMITED in United Kingdom has published a request for information in manufacturing & supply: “Split Butterfly Valve for Powder Transfer Applications”. The notice does not state a closing date, so confirm the timetable on the official portal. Quote reference NNLC842 in any correspondence with the buyer. FreeTender has recorded 2 notices from this buyer since 2026, 2 of them currently open. There are 83 open manufacturing & supply notices in United Kingdom on FreeTender. Bids are submitted to the buyer through UK Find a Tender Service, not through FreeTender.

Details

UKNNL are seeking expressions of interest from suppliers capable of providing a split butterfly valve system suitable for powder handling and transfer operations. Minimum Technical Requirements

  • Be suitable for the transfer of powders and quick-connect/disconnect operations.
  • Accommodate connections in the region of:

-100 mm to 50 mm diameter, or -100 mm to 80 mm diameter to minimise the potential for product blockage.

  • Be compatible with hydrofluoric acid (HF Resistant) at concentrations of approximately 25-50% by mass.
  • Be suitable for operating temperatures up to approximately 300°C.
  • Be suitable for operating pressures from full vacuum to approximately 3 barg.

Additional Information

  • An integrated vacuum system for removal of powder from between split butterfly valve faces is not required.
  • Alternative materials of construction may be considered such as stainless steel.
  • Particular attention should be given to the suitability and chemical resistance of sealing materials for hydrofluoric acid service.
  • Sealing materials must be suitable for hydrofluoric acid (HF) at the specified process concentrations.

This notice has closed — what to do next

We hold 2 notices from UNITED KINGDOM NATIONAL NUCLEAR LABORATORY LIMITED, going back to September 2026 — 2 of them still open. There are 83 open Manufacturing & Supply tenders in United Kingdom.

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Before you bid on this tender

A quick checklist to help you decide whether to bid and prepare a compliant submission for this manufacturing & supply opportunity. Always verify the details on the official source.

  • Confirm the closing date and submission window on the official portal before you start preparing your bid.
  • Read the full notice and every attached document, including the scope, specifications and any bill of quantities or terms of reference.
  • Check the eligibility criteria — prior similar experience, annual turnover, certifications and registrations — and make sure you qualify before investing effort.
  • Prepare any earnest-money deposit (EMD) or bid security and the required formats early; missing or wrongly-formatted documents are a common cause of rejection.
  • Note how bids must be submitted (online or physical), in what format, and whether a digital signature or portal registration is required.
  • Watch for corrigenda and clarifications right up to the deadline — requirements and dates can change.
Common bidding mistakes to avoid →Writing a winning proposal

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