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Reg. 519 A, Reg. 519
B, Reg. 519
C, Reg. 519
D, Reg. 519
E
STANDARD CONDITIONS FOR THE DESIGN AND
CONSTRUCTION
OF ECONOMISER, FEED PIPES, FEED HEATERS AND OTHER SIMILAR
VESSELS
VALVES AND MOUNTINGS
(A) Thermometers |
| All economisers shall
be provided with Thermometers for measuring water temperature
adjacent to the inlet and outlet connections. |
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Reg. 519
B
STANDARD CONDITIONS FOR THE DESIGN AND
CONSTRUCTION
OF ECONOMIZER, FEED PIPES, FEED HEATERS AND OTHER SIMILAR
VESSELS
VALVES AND MOUNTINGS
Relief valves |
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| A valve which shall
prevent increase of pressure beyond a predetermined limit
shall be fitted to every economiser and the design shall
provide against unauthorized interference with the loading.
Economisers with pressure parts of cast iron and arranged
in groups of tiers connected by circulating piping shall
have a relief valve fixed on each group or tier. Relief
valves should have a minimum diameter of 2”. |
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Reg. 519
C
STANDARD CONDITIONS FOR THE DESIGN AND
CONSTRUCTION
OF ECONOMIZER, FEED PIPES, FEED HEATERS AND OTHER SIMILAR
VESSELS
VALVES AND MOUNTINGS
Pressure Gauge |
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| Means for indicating
the pressure in the economiser shall be provided by a
Pressure Gauge constructed on the lines of Regulation
327. |
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Reg. 519
D
STANDARD CONDITIONS FOR THE DESIGN AND
CONSTRUCTION
OF ECONOMIZER, FEED PIPES, FEED HEATERS AND OTHER SIMILAR
VESSELS
VALVES AND MOUNTINGS
Air Release valves |
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| Means must be provided
for the release of air at all points where air accumulation
may occur. |
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Reg. 519
E
STANDARD CONDITIONS FOR THE DESIGN AND
CONSTRUCTION
OF ECONOMIZER, FEED PIPES, FEED HEATERS AND OTHER SIMILAR
VESSELS
VALVES AND MOUNTINGS
Blow off drain valves |
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| Means must be provided
for draining the economiser completely of water. |
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