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713431451-Supply and Support for General Valves and Actuators-UK4

Submarine Delivery Agency

This public procurement record has 6 releases in its history.

TenderUpdate

05 Jun 2026 at 12:53

UK4 - Tender Notice
Tender

22 May 2026 at 11:40

UK4 - Tender Notice
PlanningUpdate

12 Mar 2026 at 08:44

UK2 - Preliminary Market Engagement Notice
Planning

11 Mar 2026 at 15:07

UK2 - Preliminary Market Engagement Notice
Planning

11 Mar 2026 at 14:23

UK2 - Preliminary Market Engagement Notice
Planning

11 Mar 2026 at 14:19

UK1 - Pipeline Notice
Summary of the contracting process

The Submarine Delivery Agency, a public authority under the central government in the United Kingdom, is overseeing a procurement process for the supply and support of general valves and actuators. The main focus of this procurement is for spare parts, repairs, and technical support for submarine valves and actuators, including a minor requirement for the Royal Navy surface fleet. The industry category is defence and security, specifically related to strategic and attack submarine support, amongst others. The procurement process is currently at the tender stage with a competitive flexible procedure, allowing for an open procurement method. Key deadlines include an enquiry period ending on 15th June 2026 and a tender period closing on 26th June 2026. The total contract value is £78,000,000 with an expected start from 1st April 2027, extending up to 31st March 2029, with possibilities for renewal.

This tender presents significant business opportunities, particularly for firms specialising in valves and actuators related products and services. Companies with expertise in marine engineering, particularly those geared towards defence applications like valve manufacturing, technical support, or repair operations, would be well-positioned to engage in this procurement. The competitive flexible procedure offers a broad participation scope, enabling SMEs with relevant capabilities to enter the competition for this lucrative opportunity. The contract, which spans multiple years with options for renewal, offers substantial potential for growth and long-term partnership with a central government agency.

How relevant is this notice?

Notice Information

Notice Title

713431451-Supply and Support for General Valves and Actuators-UK4

Notice Description

This contract is looking for a prime contractor for the provision of spares, repairs, technical support and Obsolescence for the following types of Submarine Valves, Actuators and their components for all In-service Submarines, circa 4,000 NSNs: First Level Valves Non-First Level Valves First Level Actuators Non-First Level Actuators. There will also be a small requirement for valves and actuators for RN surface fleet. This project was previously known as 713431451-Supply and Support for Valves and their Actuators

Lot Information

Lot 1

Options: This Contract will include 2 (two) 1 (one) year Option Years within the Terms and Conditions to extend the Term of the Contract by a Year at a time. Option Year 1 will need to be taken up to enable Option Year 2 to be taken up.

Renewal: This Contract will include 2 (two) 1 (one) year Option Years within the Terms and Conditions to extend the Term of the Contract by a Year at a time. Option Year 1 will need to be taken up to enable Option Year 2 to be taken up.

Planning Information

Previous Early Market Engagement occurred under 713431451-RFI - 713431451 - Valves and Actuators which occurred in December 2024 to January 2025. Information from this and repsonses related to Valves and Actuators under 714937452-UK2a - SDA Platform Equipment Delivery Team (PEDT) Supplier Engagement have been incorporated into this procurement, which will be subject to the Procurement Act 2023.

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-066755
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/053313-2026
Current Stage
Tender
All Stages
Planning, Tender

Procurement Classification

Notice Type
UK4 - Tender Notice
Procurement Type
Standard
Procurement Category
Goods
Procurement Method
Open
Procurement Method Details
Competitive flexible procedure
Tender Suitability
Not specified
Awardee Scale
Not specified

Common Procurement Vocabulary (CPV)

CPV Divisions

31 - Electrical machinery, apparatus, equipment and consumables; lighting

35 - Security, fire-fighting, police and defence equipment

42 - Industrial machinery

50 - Repair and maintenance services

CPV Codes

31711400 - Valves and tubes

35511000 - Surface combatant

35512100 - Strategic submarine nuclear fuelled

35512200 - Attack submarine nuclear fuelled

35513100 - Mine hunter/minesweeper

35521000 - Hull and mechanical spare parts for warships

42131100 - Valves defined by function

42131140 - Pressure-reducing, control, check or safety valves

42131141 - Pressure-reducing valves

42131142 - Control valves

42131145 - Check valves

42131146 - Non-return valves

42131147 - Safety valves

42131148 - Stop valves

42131230 - Gate valves

42131240 - Globe valves

42131260 - Ball valves

42131270 - Plug valves

42131280 - Butterfly valves

42131292 - Flap valves

42131390 - Assemblies of valves

42132100 - Valve actuators

42132110 - Electric valve actuators

42132120 - Hydraulic valve actuators

42132130 - Pneumatic valve actuators

42132300 - Valve parts

50500000 - Repair and maintenance services for pumps, valves, taps and metal containers and machinery

50640000 - Repair and maintenance services of warships

Notice Value(s)

Tender Value
£65,000,000 £10M-£100M
Lots Value
£65,000,000 £10M-£100M
Awards Value
Not specified
Contracts Value
Not specified

Notice Dates

Publication Date
5 Jun 20263 months ago
Submission Deadline
26 Jun 2026Expired
Future Notice Date
10 Jul 2026Expired
Award Date
Not specified
Contract Period
1 Apr 2027 - 31 Mar 2029 2-3 years
Recurrence
2030-04-01

Notice Status

Tender Status
Active
Lots Status
Active
Awards Status
Not Specified
Contracts Status
Not Specified

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
Submarine Delivery Agency
Contact Name
Available with D3 Tenders Premium →
Contact Email
Available with D3 Tenders Premium →
Contact Phone
Available with D3 Tenders Premium →

Buyer Location

Locality
BRISTOL
Postcode
BS34 8JH
Postcode Area
Bristol
Country
England
Major Region (ITL 1)
TLK South West (England)
Basic Region (ITL 2)
TLK5 West of England
Small Region (ITL 3)
TLK52 Bath & North East Somerset and South Gloucestershire
Delivery Location
Not specified
Local Authority
South Gloucestershire
Electoral Ward
Stoke Park & Cheswick
Westminster Constituency
Filton and Bradley Stoke

Further Information

Notice Documents

Open Contracting Data Standard (OCDS)

View full OCDS Record for this contracting process

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The Open Contracting Data Standard (OCDS) is a framework designed to increase transparency and access to public procurement data in the public sector. It is widely used by governments and organisations worldwide to report on procurement processes and contracts.

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