Product category:
Valves and manifolds
News Release from: Flowserve | Subject: Worcester Controls Series 22
Edited by the Processingtalk Editorial
Team on 05 December 2003
New double block and bleed valve
designed for BNFL
Flowserve Flow Control and BSS worked with mechanical engineers at BNFL, Risley to produce a new stainless steel double block and bleed (DBB) valve that delivers significant cost and space savings
Design staff from Flowserve Flow Control and distributor BSS have worked with senior mechanical engineers at BNFL, Risley to produce a new stainless steel double block and bleed (DBB) valve that delivers significant cost and space savings The collaboration follows the introduction of new site procedures at BNFL stipulating the use of DBB valves to isolate upstream gas and liquid pressures during installation and maintenance processes
This article was originally published on Processingtalk on 29 Jul 2008 at 8.00am (UK)
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BNFL felt that conventional isolation using three separate ball valves, or existing integrated DBB assemblies were unnecessarily complex and expensive.
They approached Flowserve with a view to using standard valve components.
The result is the Worcester Controls Series 22, which effectively integrates two Worcester 44 series, 3-piece ball valves with a central draining section and meets the BNFL quality requirements for a DBB valve at significantly lower cost.
In addition, BNFL also benefit from the valve reduced size, with a lower welding and inspection requirement and diminished spares-holding overhead.
The Worcester Series 22 has been rigorously tested by BNFL and more than 140 are to be installed within a new intermediate heat exchanger project.
Commenting, Alan Light, senior mechanical engineer at BNFL said: "Flowserve responded to our suggestion with a new design of suitable quality that is almost half the cost of previously used double block and bleed valves.".
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