For over 35 years, we have and continue to be a worldwide leading designer, manufacturer, stockist and modifier of stainless steel and nickel alloy gate, globe and check valves for hydrocarbon processing and chemical industries worldwide. We provide individual or large quantity production and can tailor a valve supply package to suit your service applications, budget and programme. Having all necessary and accredited manufacturing, modification and testing capabilities, we can design, manufacture or modify to your exacting specifications through our own Langley Valve product offering a ‘managed’ pre-design and post supply technical assistance throughout the procurement, manufacture and installation process.