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Celvac serves Water (clean & sewage), Petro-chemical, construction, manufacturing & food industries throughout the UK.


Using our in-house designed and built hyper-vac technology, we are the market leader in the recovery and disposal of inert, solid and liquid waste materials from confined spaces and difficult and restricted areas.  


Celvac is proud of its professional and highly skilled team and its ability to provide innovative, safe, efficient and cost-effective solutions for all aspects of specialist industrial cleaning and waste management.  

We offer turnkey solutions for the cleaning of digesters, sludge holding tanks, pumping stations and works, aeration lanes, channels, chambers, vessels, riverbeds and culverts.



Digester Cleaning Services |

Celvac carries out Digester Cleaning operations for many of the leading Water Companies Welsh Water, Severn Trent, Thames Water, Wessex Water and United Utilities and Tier 1 main contractors such as Black & Veatch and Costain in various locations across the UK.

Pump Station Cleaning Services |

Celvac’s highly trained confined space operatives can deal with any type, size and depth of wet well, classified to NC1, NC2, NC3 and NC4 categories.Our entry teams are competent and trained to City and Guilds High Risk Confined Spaces for both entry and top-man and we also provide a rescue and resuscitation team to ensure we exceed all legislative requirements.

Filter Refurbishment Services |

Utilising our in-house designed hopper mounted suction unit and media transfer system we are able to carry out various media operations, including:

  • Rapid Gravity Filter refurbishment 

  • Cleaning of Pressure Vessels 

  • Specialised Sand transfer and placement equipment 

  • Biofor Media Recovery and placement

Tank Cleaning Services |

Celvac’s highly trained confined space entry teams are able to carry out the removal of waste material from any size and type of tanks and channels utilising the Hyper-vac suction units, mobile screening and grit separation plants.

Catalyst Powder Handling Services |

Specialists in supporting Turnaround and Inspections and critical path operations Celvac is a multi-disciplined contractor providing a variety of solutions - including hot oil and catalyst recovery (up to temperatures of 350°C), for international petro-chemical and chemical refining companies.

Celvac Dewatering Grit Seperation Services |

As one of our annual ISO 14001 targets (to reduce our impact on the environment) our in-house design team created a mobile ‘Grit Separation Unit (GSU)’.

This innovative technology is designed to reduce the waste from all types of cleaning operations by removing grits, trash, debris, sediment etc from the influent water system.

Celvac Vacuumation Services |

The suction capability of our in-house hyper-vac units mean we can suck or blow materials from vessels such as tanks, pumping stations, interceptors, channels etc from a great depth or long distance. 

Bespoke Fabrication Design Services |

Celvac’s in-house Research, Design and Build team construct specialist vacuum recovery systems (Hyper-Vacs) for almost every type of operation, environment and terrain. As well as building them to service the delivery of clients’ contracts, we also design and build to export and have sold a number of units to clients within the Middle East.  

Celvac UK are the UK Water Industry’s Confined Space Specialists for Waste Removal

We offer an extensive range of market leading solutions to a wide range of industry sectors.

Our confinded space and waste management services are efficient, cost effective and backed by years of technical and environmental experience.


Our comprehensive network coupled with our extensive range of services and experienced contract management team,

means we can provide a solution that meets your requirements.  

For further information on the wide range of services that we office, please use the navigation tabs above.

About US.jpg


Established in 1993, our expertise have grown in the field of confined space cleaning and media removal and we can offer solutions to the most challenging of problems.

At the core of Celvac is a team of experienced and highly competent confined space personnel who are supported by a large fleet of specialist in-house designed and fabricated plant and equipment. 

Our teams have the capability and knowledge to succeed in the most demanding of environments and deal with the most complex of tasks safely.


We actively encourage innovative thinking and collaborative working practices in our organisation to ensure we build long term successful relationships with our clients.

By driving this culture it means that our teams can respond efficiently and are prepared to deal with any problem in a logical and methodical approach, ensuring the client gets a superior service.

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For any enquiries, questions or commendations, please call: 01834 845511 or fill out the following form:

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Head Office

Celtic Vacuum Ltd

The Salterns | Marsh Rd

Tenby | Pembrokeshire | SA70 8EP

Other Branches: 

Tel:      01834 845511


The company has its main manufacturing facility and head office in Tenby, but also has bases in Port Talbot, Connah's Quay and Slough.


To apply for a job with Celvac Ltd, please send a cover letter together with your C.V. to:

Get a quote: 01834 845511

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