UNISON has delivered superior flow control solutions over the past 4 decades. Whether its ball & butterfly valves, thermodynamic steam traps or other industrial valves, we’ve stayed true to our unswerving ethos of delivering high quality with exemplary performance through our product offerings over time.
ISO 9001:2015 specifies requirements for a quality management system when an organization needs to demonstrate its ability to consistently provide products and services that meet customer and applicable statutory and regulatory requirements, and aims to enhance customer satisfaction through the effective application of the system, including processes for improvement of the system and the assurance of conformity to customer and applicable statutory and regulatory requirements.
DNV (Det Norske Veritas), which means "the Norwegian truth," originated in Norway in 1864 as a risk management company. Their mission is dedicated to safeguarding life, property and the environment. They certify the compliance of companies according to a third party standard, such as ISO 9001 (quality management system) or ISO 14001 (environmental management system). Unison manufactures Fire safe valves that are certified for Fire safety by DNV for optimum safety.