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Brochures
AVK in the UK Green Paper Thumbnail

Horizon

The latest sustainability news from AVK in the UK.
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AVK Sustainability Report

Sustainable development has always been part of our DNA.
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Glenfield Invicta Site Solutions Brochure. Valve installation, refurbishment, Penstocks

Engineering Site Solutions Brochure

Read about our end-to-end solutions covering survey, design, installation, refurbishment and commissioning
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News Dams, Reservoirs and Hydropower Brochure

Dams Reservoirs and Hydropower Brochure

Read about our extensive range of solutions we have for Dams, Reservoirs and Hydropower.
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Glenfield Invicta Penstocks Brochure

Penstocks General Brochure

Learn about our comprehensive range of  quality stainless steel penstock solutions.
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Glenfield Invicta Valves for Dams & Reservoirs Technical Guidance Brochure

Dams and Reservoirs Technical Guidance Brochure

Technical guidance to help you choose the correct valves for Dams and Reservoirs.
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Glenfield Invicta  Environmental Water Control Brochure

Environmental Water Control Brochure

Learn more about our comprehensive range of valves and penstocks to tackle water control issues.
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AVK UK Group Product Guide

AVK UK Group Product Guide

Review the comprehensive list of quality AVK valves and fittings.
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Case Studies
Wick Lane Penstock And Clough Thumbnail

Wick Lane Penstock And Clough

Glenfield Invicta undertook a complex project at Wick Lane which included the installation of new stainless steel dam boards with CATIII certification, storage racks, a lifting system, and penstock actuators.
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Parkhead DSR Case Study Thumbnail

Parkhead DSR

Glenfield Invicta has refurbished and reinstalled the internal workings of the float valve at Parkhead DSR in Falkirk. Refurbishing the valve ensured the reservoir was back in service as quickly as possible, as well as delivering a positive sustainability impact, and reducing costs.
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Dams and Reservoirs Alwen Case Study

Alwen Reservoir

Glenfield Invicta's team of experts rise to the challenge to find the best valve and flow control solution for the Alwen reservoir project.

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New Keadby Thumbnail

Keadby Pumping Station

Learn more about the  major role we played in delivering ‘fish friendly’ as part of a £35m investment to upgrade Keadby Pumping Station.
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Read about how Glenfield Invicta's engineers design the right valve for USK reservoir to mitigate against surge pressure.

USK Reservoir

Learn more about our solution to conserve natural habitat and at the same time enhance the control at USK Reservoir.
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Langdale Air Valves Thumbnail

Langdale Air Valves

Air valves in the Lake District were restored after waste contamination led to blockages. The team cleaned, refurbished, and recommissioned them, ensuring full functionality and reliability.
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Damflask New Thumbnail

Damflask Reservoir

Read about our solution to significantly increase the flow at Damflask Reservoir.
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Munnoch Case Study Thumbnail

Munnoch Reservoir

Two 24” gate valves manufactured around 1902, were subjected to a detailed condition assessment and refurbished by Glenfield Invicta.
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King George VI Case Study_Thumbnail

King George VI Reservoir

Read about how we refurbished the top draw-off valves and returned the reservoir to a fully operational state.
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Burnhope New Thumbnail

Burnhope Reservoir

Our expertise is called upon to advise on the optimal valve configuration at Northumbrian Water’s Burnhope Reservoir.
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Penstocks Mogden Treatment Plant

Mogden Treatment Plant

A complex and challenging penstock design, manufacture, and installation project for one of the country’s largest treatment plants.
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Read about the Glenfield Invicta valves and penstocks for the Coire Glas Hydropower Scheme.

Powered from the Glens

Learn more about our unrivalled expertise in this Hydropower sector.
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Kinlochleven Lochaber Hydropower Station

Kinlochleven Hydroelectric Scheme

Replacing penstocks in challenging conditions, and in inaccessible terrain to tight manufacturing deadlines.
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Dolgarrog Hydropower Case Study

Dolgarrog

The challenge of site logistics and terrain to refurbish and replace large, heavy valves.
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Strathblane Air Valve Thumbnail

Strathblane Air Valve Refurbishment

Glenfield Invicta successfully completed a comprehensive refurbishment of an air valve at Balmore Tunnel, Strathblane, for client George Leslie. 
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Dry Dock Case Study

Dry Dock Pumping Station

Glenfield Invicta’s Engineering engineers carry out a full audit on a Dry Dock with valves and pipework that were almost a hundred years old, read how we removed, replaced and installed ready for another 100 years of operational service.

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Sloy Hydro Thumbnail

Sloy Hydroelectric Power Station

Glenfield Invicta engineering team to refurbish two Needle Discharge Valves – one 48” and one 12” at the Sloy Hydroelectric Power Station.
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Gross price list
Glenfield Invicta GPL Brochure Jan 2025 Thumbnail

Gross Price List

Glenfield Invicta gross price list
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Interlink

InterLink 67 January 2025

January 2025 Edition of Interlink - AVK stories from around the world.
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InterLink 66

August 2024 Edition of Interlink - AVK stories from around the world.
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Interlink 65

April 2024 Edition of Interlink - AVK stories from around the world.
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InterLink 64

The December 23 Edition of AVK stories from around the world.
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InterLink 63

August 23 Edition of global AVK stories, projects and updates. 
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Accreditations and Certificates
BSI Environmental Management Certificate

BSI Environmental Management Certificate

Download the PDF.
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BSI Certificate of Registration – Occupational Health & Safety Management

BSI Occupational Health and Safety Certificate

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Achilles Certificate of Registration

Achilles Certificate of Registration.

Download PDF.
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Achilles Certificate of Audit

Achilles Certificate of Audit

Download the PDF.
 
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Certificate of Registration – JOSCAR

JOSCAR Certificate of Registration

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BSI Certificate of Registration - Quality Management Systems

BSI Quality Management Systems Certificate

Download the PDF.
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Cyber Essentials Certificate of Assurance

Cyber Essentials Certificate of Assurance

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Zero Carbon Certificate British Gas

British Gas Zero Carbon Certificate

Download the PDF.
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Constructiononline Gold Member Glenfield Invicta

Constructionline Gold Membership

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Policies
Glenfield Invicta's Environmental Policy

Environmental Policy

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Glenfield Invicta's Equal Opportunities Policy

Equal Opportunities Policy

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Green Procurement Policy

Green Procurement Policy

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Glenfield Invicta's Health and Safety Policy

Health and Safety Policy

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Glenfield Invicta's Modern Slavery Policy

Modern Slavery Policy

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Glenfield Invicta's Quality Policy

Quality Policy

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Glenfield Invicta Terms and Conditions of Sale

Terms and Conditions of Sale

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(Registered Co. Address) Glenfield Invicta Ltd

Queens Drive, Kilmarnock
KA1 3XB , Scotland, UK
T: +44 (0) 1563 521150
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