ADVERTISEMENT FEATURE
Keeping water management systems safe and sustainable with TECHNYL®
polyamides
DOMO’s advanced polyamides help to ensure greater sustainability, lower system and maintenance costs and easier handling of water
DOMO customer De Vecchi Gaetano has used TECHNYL®
SAFE A 219WFC
V30 NC to replace stainless steel in a number of water management applications
Images (from left): 8-litre capacity cylinders, IV valves (above) and softener caps (right)
The TECHNYL®
SAFE material
portfolio includes a comprehensive range of US and European drinking water- certified solutions dedicated to the water management industry, as well as food contact compliant grades to meet specific regional regulations in the EU, US and China. These polyamide materials include PA6, PA66, and PA6.10-based alternatives and are produced in accordance with good manufacturing practice (GMP).
Reference applications for this product line comprise components traditionally made of brass, stainless steel or other metals. These include heating and water meter systems, such as pipes, pumps, valves, fittings, faucets, cartridges, boiler components like hydro- block manifolds, along with balancing and other small home appliance parts.
The TECHNYL® SAFE portfolio
of drinking water-certified metal replacement materials eliminates the risk of galvanic corrosion and scale build-up. It also helps reduce costs and
ensures compliance with tighter regulations on permissible levels of lead in drinking water. And, thanks to its bio-based content, it can offer more sustainable water management solutions.
Water distribution Water distribution systems include water filtering, water softeners and metering systems, as well as submersible pumps or shut-off valves. These systems require long-term dimensional stability, good mechanical properties, and resistance to chlorine at ambient temperatures. The type of disinfectants (free chlorine, chloroamine) and concentration levels can significantly influence the long-term resistance to oxidative degradation of engineering plastics.
Using DOMO’s TECHNYL® SAFE
range ensures water systems are lead-free and compliant with water regulations. It also means significant system savings compared to the high cost of processing and machining new brass alloys and the high environmental impact of end-products manufactured in foundries.
The long chain PA6.10 TECHNYL® SAFE D grade is a particularly suitable engineering material for water meter and water distribution applications. PA6.10- based TECHNYL®
SAFE D can
also replace high transition temperature PPA with the same glass fiber content in cold water meter body and top plate applications with the following benefits:
•Better dimensional stability after water uptake; • Improved roughness and surface finish; •Easier processing – a wider processing window and lower temperature setting on the barrel means no need for an oil heated mold and reduced energy consumption;
•Lower density material means easier handling and transport of final products (reducing CO2 emissions); •Better material environmental footprint (GWP); •Superior performance on cyclic pressure (fatigue) tests.
Sanitary systems Sanitary systems cover all water systems that are in contact with water in kitchens and
bathrooms, both in domestic and commercial buildings. Typical applications include water tap mixer cartridges, shower water distributors, and kitchen water taps. These systems demand long- term dimensional stability and mechanical properties, resistance to chlorine at high temperatures and, sometimes, wear resistance and resistance to cleaning detergent.
In all these applications, TECHNYL® SAFE delivers: •Drinking water regulation compliance;
•No scale build-up or corrosion; •System cost savings. •A lead-free solution
Heating systems Heating systems comprise all systems that provide heat to a building, including heat pumps, furnaces, and boilers. While furnaces or heat pumps carry heat in warm air, boiler systems distribute the heat in hot water, which gives up heat as it passes through radiators or other devices throughout the house. The cooler water then returns to the boiler to be re-heated.
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