Product category:
Pressure/temperature regulators, steam traps
News Release from: Spirax Sarco | Subject: Boddingtons PRValve
Edited by the Processingtalk Editorial
Team on 20 December 2007
Quieter conditions for staff at
Boddingtons
A Spirax Sarco pneumatically actuated control valve with noise reduction trim is ensuring quieter conditions for staff at the Whitbread 'Boddingtons' brewery in Manchester
The popularity of Boddingtons Beer, the 'Cream of Manchester', means ever more empty kegs are returned to Boddingtons for cleaning It was this success that led the company to install extra keg washers in the brewery racking hall, doubling the demand for steam serving the room to around 12,000kg/h
This article was originally published on Processingtalk on 30 Jan 2003 at 8.00am (UK)
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Spirax Sarco was called in to upgrade the pressure reducing station serving the keg washers.
The station drops the steam pressure from the 10 barg main supply to 3.5 barg for the racking hall.
Under these circumstances, reducing the pressure of this volume of steam can be a noisy business, which could have presented a problem.
'The reducing set is located in the stores', said Andy McKnight, Engineering Project Manager at Boddingtons: 'There are people working in that area so we didn't want a noisy installation'.
The Spirax Sarco solution was to replace the existing, self-acting pressure reducing valve with a larger capacity pneumatically actuated valve, regulated by an electronic controller.
To reduce noise levels, the valve is fitted with noise reducing trim - essentially a perforated cylinder that reduces the steam pressure, in two stages, within the valve.
The trim typically reduces noise by around 10 decibels.
This ensures that the noise level never rises above 85 dB, even at full load.
'The Spirax Sarco valve has enabled us to meet the demand from the keg washers and reduces the amount of noise workers are exposed to', said Mr McKnight: 'In simple terms, this means that our workers do not have to wear ear protectors'.
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