There are various types of closed recirculating water systems, notably chilled water systems (CHW) and heating water systems (LPHW, MPHW, HPHW). In a closed system, water circulates in a closed cycle and is subjected to alternate cooling and heating without contacting air.
Closed water systems are subject to corrosion, scaling, sludge formation and bio-fouling all of which can result in problems such as system lack of performance, reduced economy and increased maintenance and repair costs.
Our engineers are not only fully trained in carrying out works to meet guidelines set out in BSRIA documents BG 29/2012 and BG 50/2013, the British Standards documents BS 7593 and BS 8552, but also in ensuring the safety of everyone whilst testing is carried out. Any water samples taken are sent to a UKAS approved laboratory for testing. All instruments used in testing are calibrated to national standards and copies of certification are supplied with reports
Our closed water system quality monitoring service includes:
On-site chemical testing
Chemical dosing treatment
System volume estimation
Raw water clean
Pre-commissioning chemical clean
Flow rate recording
Sample testing – onsite and UKAS accredited laboratory
Our collaborative and proactive approach drives efficiency, cost savings and offers our clients peace of mind. We are committed to continuous improvement, through innovation and investment in our personnel, methodologies and equipment.
We offer extremely competitive rates and daytime, evenings or weekends to offer minimal disturbance to our customers.
Quality is paramount in what we do. Our engineers carry out all works to BSRIA, CIBSE, BSI and ACoP L8 HSE guidelines
Why choose us?
Over 30 years of satisfied customers, bespoke service suited to your requirements, national coverage, fully insured and nationally accredited Quality Management System ISO 9001:2015
We have three core values that inform our behaviour and approach to work: to Excel, Challenge and Inspire
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National Hygiene Services Ltd
Kellett Street Works