Pipeline Valve Design (Options)

• Double Block & Bleed – API 6D
• Single Isolate
• Single Isolate with DPE Seats

Seat Material (Options)

• Metal

Pressure Class

• ASME Class 150 – 900

Temperature Range

• -50℃ up to +350℃

End Connections

• Flanged
• Butt Weld
• Hub

Bore Size Range

• 1″ to 20″ (inch) – DN25 to DN500

Operation (Options)

• Manual Operation
• Actuated Operation – Electric / Pneumatic / Hydraulic

Certified UK Valve Manufacturer

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Oliver Twinsafe has been manufacturing customised valve solutions for the Oil, Gas, LNG, Petro-chemical, Nuclear, and Mining industries since 1979. If you don’t see the required valve specification listed here, please ask a member of our team.

Design Features

• Single Isolate, DIB or DBB designs available
• DVT Qualification tested to Shell standard 77/300
• Advanced Polymer sealing technology
• Forged 1 piece compact body, 2 piece or 3 piece body designs
• Bi-directional sealing
• Anti-static device
• Anti-Blow out stem
• Self-relieving seats
• Manual or actuated operation (electric/pneumatic/hydraulic)

Qualification & Testing

• Independently tested by Shell to their DVT qualification standard 77/300
• Firesafe qualification testing to ISO 10497, API 6FA and API 607
• Fugitive Emission Testing to 77/312 Class BH
• Pressure Equipment Directive 2014/68/EU

Most Common Applications

• Sour Gas
• High Temperature
• Natural Gas Hydrcarbon Processing

NEW GENERATION VALVE TECHNOLOGY by Oliver Hydcovalves

Oliver Hydcovalves is an industry-leading company that harnesses over forty years of technology, development and expertise. Designing and manufacturing precision valves for hydrogen and carbon capture applications. Hydcovalves is committed to delivering valve solutions as part of the global ambition to reduce carbon emissions.

• Dedicated UK Research & Development Centre
• Engineering Partnership programmes, collaboration with suppliers
• Work with key supplier partner DuPont for best-in-class materials
• Engineering graduates work alongside experienced engineers on new valve designs
• Complete in-house testing capabilties that mimic real-world application

We’re trailblazers in setting new high standards for valve quality, safety, and performance. The testing, certification, and qualification of our valves adhere to API & ISO. However, most of our valves are tested to our own written specifications – ‘Oliver Gold Standard’ which far exceed industry standards.

As a world leading valve manufacturer, we invest in continuous research and development. State-of-the-art technological facilities located in the UK provide the industry benchmark for valve engineering standards of excellence.

Onsite testing capabilities such as; automation, pressure, fire, cryogenic, hyperbaric, helium seat leakage, fugitive emission, temperature rating, seat & gland endurance, rapid operation, and porosity checks in pre-build enable us to be flexible in meeting client’s demanding schedules.