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Important Notes
Safety note
The valve must only be installed by qualified staff.
Qualified staff are those persons who – through adequate training in engineerng, the
use and application of safety equipment in accordance with regulations concerning
safety systems, and first aid & accident prevention – have achieved a recognised
level of competence appropriate to the installation and commissioning of this device.
Danger
The valve is under pressure during operation.
When loosening flanged connections or sealing plugs, hot water, steam,
corrosive liquids or toxic gases may escape. This presents the danger of
severe burns and scalds to the whole body or severe cases of poisoning.
Installation and maintenance work should only be carried out when the
system is depressurized.
The valve becomes hot or extremely cold during operation. This presents
the risk of severe burns to hands and arms. Installation and maintenance
work should only be carried out at room temperatures.
Sharp edges on internals present a danger of cuts to hands. Always wear
industrial gloves for installation and maintenance work.
Usage for the intended purpose
The swing and dual-plate check valves BB ensure unidirectional flow in pipes by
preventing a backflow of liquids or gases.
Use this equipment only within the specified pressure and temperature ratings and
check corrosion resistance and chemical suitability for the application in question.
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