Flow Table – Hand Operated – IS : 712-1984
Used for determining the workability of building lime.
It comprises :
(i) One 300 mm dia polished steel table with three engraved circles of 70 mm, 110 mm and 190 mm dia at the top face.
(ii) A frame having a horizontal shaft carrying a cam on one side and a wheel on the other, adjusted to raise the table by 12.5 mm and allow it to fall freely.
(iii) Truncated conical mould 65 mm inside dia at the bottom, 40 mm inside dia at top and 90 mm high.
Flow Table – Motorized – IS : 712-1984
Same as above but provided with a motor drive for operation of the cam at about 60 rpm to give approximately one drop per second to the table top.
Suitable for operation on 220 V, 50 Hz, Single phase supply.
Flow Table – Hand Operated - IS: 5512-1983
Used for making flow tests for consistency of mortars in tests of hydraulic cements and pozzolanic materials.
It comprises the following :-
(i) A machined table top 250 mm dia of Gun metal fitted with a vertical shaft. Total weight 4.00 ± 0.05 kg.
(ii) A cast iron frame with a machined base & smooth vertical hole at the top for the table shaft. It has hori. shaft carrying a cam at one end & hand wheel at the other. The cam allows 12 mm free drop of the table.
(iii) A conical mould 100 mm inside dia at bottom, 70 mm inside dia at top and 50 mm high.
Flow Table – Motorized
Similar to above but with the difference that the cam shaft is driven by a motor drive at approximately 100 R.P.M.
Suitable for operation on 220/230 V, 50 Hz, single phase supply.
Flow Table – Hand operated
Used for determination of fluidity of cement concrete mixture where the nominal size of aggregate does not exceed 38mm. It consist of the following.
(i) A brass table top 762 mm dia, fine machined at the top and having reinforcing ribs at the bottom. Ave shaft is fitted to the underside of the table in the centre.
(ii) A steel frame with machined base & a polished smooth vertical hole for the table shaft. A hori. shaft carries a cam at one end & hard wheel at the other. The cam is adjusted to give a free drop of 12.5 mm the table top.
(iii) A conical mould in the form of frustum of a cone 250 mm inside dia at base, 170mm inside dia at top and 120mm high. It is provided with two lifting handles.
