BS 855:1976
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Specification. Welded steel boilers for central heating and indirect hot water supply (rated output 44 kW to 3 MW)
Hardcopy , PDF
31-05-1990
English
28-09-1984
Hot water boilers with maximum operating pressure of 0.45 N/mm2 and temperature of 132°C. Steam boilers limited to output of 1500 kW with max. operating pressure of 0.2 N/mm2 and temperature of 132°C. 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.
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