Closed Loop Services
Learn more about the different types of services we offer for Closed Loop system
From BSRIA pre-commission cleaning to system maintenance
BSRA Pre-Commission Cleaning BG29/2021
BSRIA BG29/2021 is a guide published by the Building Services Research and Information Association (BSRIA) that outlines the best practices for pre-commission cleaning of water systems in buildings. The standard provides detailed instructions on cleaning processes to ensure that new or modified water systems, such as heating and cooling systems, are free of debris, contaminants, and other materials that could affect their efficiency or longevity.
Our main objective of pre-commission cleaning is to remove contaminants like oils, dirt, welding debris, flux residues, and microbial growth from newly installed or renovated water systems before they are put into operation. This is crucial for maintaining system performance, preventing damage to components, and ensuring compliance with health and safety standards.
BSRIA BG29/2021 recommends specific cleaning methods, including the use of flushing, chemical cleaning, and filtration, followed by thorough water testing to ensure that the system is clean and free from any harmful substances. Proper documentation and certification of the cleaning process are also essential to demonstrate compliance with the standard.
BSRIA Closed Loop System Maintenance BG50/2013
BSRIA BG50 is a guide published by the Building Services Research and Information Association (BSRIA) that provides best practice advice for water treatment in building services systems, specifically for closed systems such as heating and cooling systems. The guide offers recommendations on the proper management of water quality to prevent corrosion, scale, and microbiological growth, all of which can significantly affect system performance and longevity.
BSRIA BG50 outlines procedures for the treatment, monitoring, and maintenance of water systems to ensure their efficiency, protect against damage, and comply with relevant regulations. It includes advice on chemical dosing, water analysis, and system flushing, along with guidance on designing water treatment programs that can be tailored to the specific needs of a building’s water systems.
We follow the guidelines set in BG50, building owners, operators, and contractors can maintain the health of their water systems, enhance energy efficiency, and extend the lifespan of key equipment.
Closed Loop Balancing CIBSE
Closed loop system balancing is a critical process that involves adjusting and optimising the flow rates, valve settings, and pressure levels within a closed-loop water or HVAC system to ensure that every part of the system receives the correct amount of fluid circulation. This is essential for maintaining consistent and efficient heat transfer or cooling across the system, ensuring that each area or component operates as intended. By balancing the system, any imbalances in fluid flow can be identified and corrected, preventing issues like uneven temperature distribution, insufficient heating or cooling, and unnecessary wear on system components.
The balancing process typically includes measuring the flow rates and pressures at different points throughout the system, adjusting valves to achieve the desired flow and pressure levels, and recalibrating the system to optimize its performance. This helps to improve the overall efficiency of the system, reducing energy consumption, lowering operational costs, and extending the lifespan of key equipment by preventing excessive strain or malfunction. Properly balanced systems are better equipped to maintain comfort levels across the building or facility, as well as meet energy efficiency and regulatory standards, ultimately delivering improved performance, reduced costs, and greater system longevity.
Chemical Supply
We supply a comprehensive range of chemicals specifically formulated for closed-loop systems, including inhibitors to prevent corrosion and scale buildup, and biocides to control microbial growth and ensure water quality. The inhibitors work by forming a protective layer on system components, such as pipes, pumps, and heat exchangers, to prevent corrosion and scale formation, thereby enhancing system efficiency and reducing the risk of costly repairs. Biocides are crucial for eliminating harmful microorganisms like bacteria, algae, and fungi, which can cause biofilm formation, blockages, and reduce overall system performance.
Our chemical solutions are vital for the effective operation and longevity of heating, cooling, and chilled water systems, ensuring that they run smoothly and efficiently. In addition to supplying these essential chemicals, we also provide expert advice on correct dosing, monitoring, and ongoing maintenance to ensure that systems operate at peak performance, minimize energy consumption, and comply with health and safety regulations. This ensures that our clients can maintain clean, efficient, and reliable closed-loop systems, reducing both operational costs and environmental impact.
FAQ's
What is Glycol for closed loop systems?
Glycol is a chemical additive used in closed-loop water systems to prevent freezing, corrosion, and scale buildup. Typically, ethylene glycol or propylene glycol are used, mixed with water, to create an antifreeze solution. In colder climates, glycol helps maintain the proper operating temperature of the system by lowering the freezing point of the water, preventing the system from freezing during winter. Additionally, glycol provides corrosion inhibition and helps protect the system's components, such as pipes, pumps, and heat exchangers, from rust and scale formation, ensuring efficient system performance and longevity.
What is a Closed Loop System inhibitor?
A closed system inhibitor is a chemical added to closed-loop water systems to prevent corrosion, scale buildup, and microbial growth. It forms a protective layer on metal surfaces, such as pipes and heat exchangers, to reduce damage and maintain system efficiency. By preventing blockages and corrosion, inhibitors help improve system longevity, reduce maintenance needs, and enhance overall performance.
Why is Pre-Commission cleaning important?
BSRIA BG29 is important because it provides best practice guidelines for pre-commission cleaning of water systems, ensuring that newly installed or modified systems are free from contaminants such as debris, oils, flux, and other residues that could negatively impact system performance. Proper pre-commission cleaning is essential to prevent damage to components, reduce the risk of corrosion, and ensure optimal operation of the system once it is in use. By following BSRIA BG29, we can ensure that the system operates efficiently, safely, and complies with industry standards, ultimately extending the lifespan of the system and improving its overall performance.
What is a Closed Loop System?
Closed loop water systems are a network of pipes designed to circulate water for cooling or heating across domestic, commercial, and industrial premises. The system allows water to flow through the pipes, exchanging heat for cooling or heating purposes.
The key feature of closed loop systems is that the water is intended to remain in the system for long periods, often indefinitely. Unlike open systems, where water is continuously replaced, the water in a closed loop is treated to maintain quality and ensure efficient operation. Regular monitoring and maintenance are essential to prevent issues such as corrosion, scale build-up, and biological contamination.