Marflow supplies ready-made valve assemblies for major London project

Marflow Hydronics, valve assemblies, prefabrication, air conditioning, fan coil unit
Over 400 fan-coil units from Diffusion were supplied with Marflow prefabricated valve assemblies for the Wallbrook Building in London.

Fan-coil units prefitted with Marflow valve assemblies have been installed as part of the Category A fit-out of four floors of the new Walbrook Building in central London. There are 413 fan coil units on a 2-pipe system specified by M&E contractor Phoenix. The prefabricated valve assemblies saved considerable time and cost on site.

Phoenix project manager Sean O’Connor says, ‘We’ve worked with Marflow Hydronics before, and very happily, so that was one of the reasons that we specified Diffusion fan-coil units. Marflow and Diffusion work in partnership, and the Diffusion fan-coil units arrive on site prefabricated with the Marflow PICVs (pressure-independent control valves) in a protective box that ensures they arrive undamaged, along with the actuator and the flushing bypass valve.

‘Whilst there is a small premium cost, it makes huge sense for the units to arrive ready assembled and ready for installation, rather than as individual components that have to be assembled on site, with additional labour costs.’ Prefabrication also avoids the problem of components not being delivered, damaged or the wrong size.

An installation benefit is not having to remove lagging used to encase valves in older installations if access is required. Instead, the Marlow assemblies are allowed to ‘sweat’ into an extended drip tray.

For more information on this story, click here: April 2013, 124
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