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FACTORIES ACT (NORTHERN IRELAND) 1965 - SECT 36

Steam receivers and steam containers.

36.(1) Every steam receiver, not so constructed and maintained as to withstand
with safety the maximum permissible working pressure of the boiler or the
maximum pressure which can be obtained in the pipe connecting the receiver
with any other source of supply, shall be fitted with

(a)a suitable reducing valve or other suitable automatic appliance to prevent
the safe working pressure being exceeded; and

(b)a suitable safety valve so adjusted as to permit the steam to escape as
soon as the safe working pressure is exceeded, or a suitable appliance for
cutting off automatically the supply of steam as soon as the
safe working pressure is exceeded; and

(c)a correct steam pressure gauge, which must indicate the pressure of steam
in the receiver ...; and

(d)a suitable stop valve; and

(e)except where only one steam receiver is in use, a plate bearing a
distinctive number which shall be easily visible.

(2) The safety valve and pressure gauge shall be fitted either on the
steam receiver or on the supply pipe between the receiver and the reducing
valve or other appliance to prevent the safe working pressure being exceeded.

(3) Where any set of receivers is supplied with steam through a single pipe
and the reducing valve or other appliance required by subsection (1)(a) is
fitted on that pipe, the set shall be treated as one receiver for the purposes
of subsection (1)(a) to (c) and for the purposes of subsection (2), and if the
set forms part of a single machine, also for the purposes of subsection
(1)(d).

(4) Every part of every steam receiver shall be of good construction, sound
material, adequate strength and free from patent defect.

(5) Every steam receiver and its fittings shall be properly maintained, and
shall be thoroughly examined by a competent person, so far as the construction
of the receiver permits, at least once in every period of twenty-six months.

(6) A report of the result of every such examination containing the prescribed
particulars (including particulars of the safe working pressure) shall be
entered in or attached to the general register.

(7) Every steam container shall be so maintained as to secure that the outlet
is at all times kept open and free from obstruction.

(8) In this section

"safe working pressure" means, in the case of a new steam receiver, that
specified by the maker, and in the case of a steam receiver which has been
examined in accordance with the provisions of this section, that specified in
the report of the last examination;

"steam receiver" means any vessel or apparatus (other than a steam boiler,
steam container, a steam pipe or coil, or a part of a prime mover) used for
containing steam under pressure greater than atmospheric pressure;

"steam container" means any vessel (other than a steam pipe or coil)
constructed with a permanent outlet into the atmosphere or into a space where
the pressure does not exceed atmospheric pressure, and through which steam is
passed at atmospheric pressure or at approximately that pressure for the
purpose of heating, boiling, drying, evaporating or other similar purpose.


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© 1965 Crown Copyright

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