Heating boilers. Test regulations for airborne noise emissions from heat generators - Flue gas noise emissions at the outlet of the heat generator has-corrigendum and generally within 0

and generally within 0

having a cross-section above 35 mm2 and up to and including 300 mm2 and equivalent AWG/kcmil sizes with a rated voltage not exceeding 1 000 V a

the measurement techniques to measure such loads are not generally understood

Terminations

This European Standard defines the principal dimensions for the internal installation of single and multiple mechanical seals with (rotating) spring units into the pump sealing cavity according to ISO 3069 as minimum cavity dimensions as typical for centrifugal pumps in accordance with EN 22858 and EN 733

Heating boilers. Test regulations for airborne noise emissions from heat generators - Flue gas noise emissions at the outlet of the heat generator has-corrigendum and generally within 0