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Function: _error_handler
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FLOW OVER WEIR OR OPEN CHANNEL APPARATUS : PSAW-710FM
A ‘WEIR’ is the
name given to concrete or masonry structure built across a river (or stream) in
order to raise the level of water on the upstream side and to allow the excess
water to flow over its entire length to the downstream side. Weirs may also be
used for measuring the rate of flow of water in river or streams.
Different shapes
of “WEIRS” generally used are sharp-crested weir, broadcasted weir and ogee
shaped weir.
In the unit a
centrifugal pump sucks the water from the sump tank, and discharges it to a
small flow channel. The weir is fitted at the end of channel. All the weirs are
interchangeable. The water-flowing over the weir falls in the collector. Water
coming at from the collector can be directed to the sump or can be directed in
to the measuring tank for measurement of flow.
SPECIFICATIONS:
·
The
unit is provided with following weirs:
a)
Sharp-crested
weir.
b)
Broad-crested
weir.
c)
Ogee
shaped weir.
·
Pump
1/2 H.P. monoblock.
·
Flow
measurement – Measuring tank calibrated water flow meter is used.
A technical
manual accompanies the unit.
SERVICES REQUIRED:
·
Floor
surface – 2.5 m x 1.5 m.
· 230 v, 5 amp supply with earthing connection.
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