the oliver twinsafe lt-series of floating and trunnionmounted ball valves have been designed for process applications with operating temperatures below -50ºc, down to -196ºc.
oliver have developed a range of pipeline valves suitable for cryogenic applications. utilising its in-house research and development facilities, oliver twinsafe has refined its designs to optimise performance and reliability at service temperatures down to -196ºc.
the valves are available as soft seated designs, 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：-196ºc to 120ºc
end connections：flanged, butt weld, hub
size range：1 to18in (dn25 to dn500)
design features
single isolate, dib or dbb designs available
end entry configuration. forged 1 piece compact body, 2 piece or 3 piece body designs.
lip sealing technology
dvt qualification tested to shell standard 77/300 and 77/312
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
