# Colson Valves: Engineered to perform\. Built to last\.

> UK manufacturer of instrumentation, DBB \& monoflange valves\. Designed, machined \& tested in\-house since 1991\. Request a quote today\.

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## Pages
- [Design and Engineering](https://colson.co.uk/capabilities/design-and-engineering/)
- [Bespoke valve solutions](https://colson.co.uk/capabilities/bespoke-valve-solutions/)
- [Quality and traceability](https://colson.co.uk/capabilities/quality-and-traceability/)
- [Assembly and testing](https://colson.co.uk/capabilities/assembly-and-testing/)
- [In\-house Manufacturing](https://colson.co.uk/capabilities/in-house-manufacturing/)
- [Sampling and Injection Valves](https://colson.co.uk/products/sampling-and-injection-valves/)
- [Mono\-flange Valves](https://colson.co.uk/products/mono-flange-valves/)
- [Pipeline DBB Valves](https://colson.co.uk/products/pipeline-dbb-valves/)
- [Instrumentation DBB Valves](https://colson.co.uk/products/instrumentation-dbb-valves/)
- [Instrumentation Valves](https://colson.co.uk/products/instrumentation-valves/)
- [Homepage](https://colson.co.uk/)
- [Capabilities](https://colson.co.uk/capabilities/)
- [Products](https://colson.co.uk/products/)

## Posts
- [Switching valve suppliers without losing time: how Colson supports manufacturer changes](https://colson.co.uk/news-insights/switching-valve-suppliers-without-losing-time-how-colson-supports-manufacturer-changes/)
- [Double Block and Bleed valves: the case for integrated design](https://colson.co.uk/news-insights/double-block-and-bleed-valves-the-case-for-integrated-design/)
- [Pipeline DBB valves – positive, verifiable isolation for safety\-critical duties](https://colson.co.uk/news-insights/pipeline-dbb-valves-verifiable-isolation/)
- [What is a double block and bleed valve? DBB explained](https://colson.co.uk/news-insights/what-is-a-double-block-and-bleed-valve/)
- [Material selection for extreme temperatures – from carbon steel to Duplex and beyond](https://colson.co.uk/news-insights/material-selection-extreme-temperature-valves/)

## Products
- [BL Series](https://colson.co.uk/product/bl-series/)
- [BH Series](https://colson.co.uk/product/bh-series/)
- [5 Remote Valve](https://colson.co.uk/product/5-remote-valve/)
- [5 Direct Valve](https://colson.co.uk/product/5-direct-valve/)
- [3 Remote Valve](https://colson.co.uk/product/3-remote-valve/)

## Categories
- [Insights](https://colson.co.uk/news-insights/category/insights/)
- [News](https://colson.co.uk/news-insights/category/news/)
- [Our People](https://colson.co.uk/news-insights/category/our-people/)

## Product categories
- [Instrumentation Valves](https://colson.co.uk/product-category/instrumentation-valves/)
- [Manifolds](https://colson.co.uk/product-category/instrumentation-valves/manifolds/)
- [Ball Valves](https://colson.co.uk/product-category/instrumentation-valves/ball-valves/)
- [Instrumentation DBB Valves](https://colson.co.uk/product-category/instrumentation-dbb-valves/)
- [Sampling and Injection Valves](https://colson.co.uk/product-category/sampling-injection-valves/)

## Optional
- [Sitemap index](https://colson.co.uk/sitemap_index.xml)