
Specification. Welded steel boilers for central heating and indirect hot water supply (rated output 44 kW to 3 MW)
出版:British Standards Institution

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Hot water boilers with maximum operating pressure of 0.45 N/mm(sup)2 and temperature of 132C. Steam boilers limited to output of 1500 kW with max. operating pressure of 0.2 N/mm(sup)2 and temperature of 132C. Specifies min. efficiencies for oil, gas and solid fuel firing. Materials, design stress and manufacture, workmanship, inspection, hydrostatic testing, mounting and fittings, automatic controls and electrical wiring requirements.
© British Standards Institution 2013
Replaces notes:
Replaces BS 855:1961.
Amendment notes:
AMD 4578