微信打开The Oliver Twinsafe LE Series of trunnion-mounted ball valves have been specially developed to meet the demands of low fugitive emissions, at elevated temperatures up to350ºC.
Oliver has developed a patented design, working closely with a major seal manufacture, to provide Class B leakage rate at high temperatures above 200ºC.
The valves are available as a metal seated design, with specially selected materials of construction to ensure full compatibility with project requirements.
Valve Design：API 6D
Pressure Class：ASME Class 150 – 900
Temperature Range：-50ºC to +350ºC
End Connections：Flanged, Butt Weld, Hub
Size Range：1 to 18in (DN25 to DN500)
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)
TESTING & CERTIFICATION
• 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
