3" Cryogenic Vent Stack with Changeable Terminations
Details
- Value
- £25,000
- Topic
- Pipeline, piping, pipes, casing, tubing and related items
- Published
- 11 February 2026
- Submission
- 6 March 2026
- Source
- uk:find_a_tender
Tender description
HSE require a 3" vent stack for use with cryogenic hydrogen for an experimental programme. The vent must have interchangeable terminations (miter cut, bullhorn, lambda) which may be on a flanged connection or otherwise joined. The vent stack should be 4 m tall and terminate in a 3" ANSI Class 300 flange. 0.5 m from the top there should be two bosses with ¼" BSP female fittings and another boss with a 7/16" UNJF female fitting. The vent stack must have a maximum allowable working pressure of 40 barg. The vent stack should have a manual drain valve at the bottom of the stack which is spring loaded (normally closed). 1.5 m from the bottom of the vent stack should be a 3" ANSI flange connection and a 1½" ANSI flange connection. Both these flanges must be Class 300. The vent should come with 3 interchangeable termination designs which are on 3" ANSI Class 300 flanges to attach to the top of the vent stack. Suitable gaskets and torque values/calculations for all flanges should be provided. See In-tend for full requirements
Timeline
- Completed: Tender published11 February 2026Current notice
- Completed: Submission date6 March 2026
About the buyer
Health and Safety Executive regulates workplace health and safety standards across Great Britain as a central government agency. The Department for Work and Pensions sponsors it as a non-departmental public body. Regulatory oversight spans high-hazard sectors including construction, offshore oil and gas, waste management, agriculture and health and social care. Every contract opportunity is advertised on its e-tendering portal, In-Tend, where suppliers must register before bidding. Lower-value opportunities also appear on Contracts Finder, the cross-government platform. Each year a published commercial pipeline report sets out contracting opportunities for the coming year on GOV.UK.
Procurement spend from central entities makes up 66% of overall UK public spend.
Over the past 5 years, most of the Health and Safety Executive's contract awards have been in research and development, business services and software and information systems.
Relevant CPV codes
- 44160000 · Pipeline, piping, pipes, casing, tubing and related items
Decision makers
Connect with the people behind this procurement.
| Contact name | Job title | Phone number | Work email |
|---|---|---|---|
| Head of Procurement | +44 •••• •••••• | ••••••••@health-and-safety-executive.gov | |
| Commercial Director | +44 •••• •••••• | ••••••••@health-and-safety-executive.gov | |
| Procurement Manager | +44 •••• •••••• | ••••••••@health-and-safety-executive.gov | |
| Category Lead | +44 •••• •••••• | ••••••••@health-and-safety-executive.gov | |
| Senior Buyer | +44 •••• •••••• | ••••••••@health-and-safety-executive.gov | |
| Contracts Manager | +44 •••• •••••• | ••••••••@health-and-safety-executive.gov |
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