The Vector SPO® Compact Flange is a 100% static connection thanks to its metal-to-metal sealing system and bevelled flange face. Vector SPO® Compact Flanges are designed to be stronger than the pipe they are connected to (have better fatigue properties than the actual weld to the piping) and are a significantly smaller and lighter alternative to the ASME flanges.
They are considered the most appropriate connector type for risers. The Vector SPO® CF is the only flange meeting the strict design requirements in DNV-OS-F201 (Dynamic Risers) and ISO 13628-7.
A reliability evaluation report from DNV (DNV report 12FQG2F-6) concludes that the SPO® CF is considered amongst the best welded connections with respect to leakage probability.
The Vector SPO® Compact Flange was the preferred connector for production and export risers for the Snorre A TLP.
Riser installation started in 1991 and in total 1100 Vector SPO® flanges have been installed on the risers for this platform.
Sizes: 9 5/8” and 10 3/4”. Each riser consists of 23 sections and HX sealrings were used.
Statoil and main contractor Aker Solutions selected Vector SPO® CF for the risers on the Volve field.
Each riser comprises of 8 sections – all joined using SPO® Compact Flanges with IX sealrings
The first use of Vector SPO® Compact flanges on flexible flowlines and risers dates from the early 1990’s, when they were installed on Saga’s Snorre A and Hydro’s Troll B project.
Since then, compact flanges have been frequently used both on flexible risers and flexible flowlines.
Vector SPO® CF is the end connection preferred by the world leaders within the field of flexible pipe and risers.
RTI Energy Systems, Inc is the world leader in design and supply of state of the art deep water and ultra-deep water riser titanium stress joints.
RTI and Vector (SPO®) , now Freudenberg Oil & Gas Technologies, have partnered on many projects since the mid 1990’s.
State of the art flanges used in combination with state of the art riser technology showcase Vector SPO® CF as one of the most reliable flanges on the market today.
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