Cement Concrete

JMT - 521
LABORATORY CEMENT AUTOCLAVE WITH STAINLESS
steel chamber 21 KG/CM. SQ. pressure as per
IS : 4031-1968, IS 1624-1960
The autoclave is suitable for conducting accelerated soundness tests on cements or the autoclave expansion test requiring constant steam pressure with the correspondent constant pressure. It consists of a stainless steel cylinder with a welded heat insulated voer, mounted on a sturdy supporting frame, enclosed in a heat insulated metal housing, attractively finished. The attached control unit encloses a sensitive pressure regulator and pressure gauge, power switches and pilots lights for controlling the electric heating units. Inside chamber, Dimension - 10.5cm diameter x 40.5cm height suitable for operation on 230 V, 50HZ,single phase, A.C. supply. supplied completer with test bar holder, special rack to hold specimens above water level in the autoclave and in a vertical position to expose them in a same manner.
Note : Ordinary laboratory Cement autoclave with mild steel Chambers are also available.

JMT - 522
SHRINKAGE BAR MOULD
IS : 4031, 10086, ASTM C 227.
The mould is used for castings specimens of cement aggregate combination for measuring the potential expansive akali reactivity.
Specifications :
The mould, which has 25mm x 25m x250mm. elective gauge length is made on mild steel and has accurately machined faces. The parts of the moulds are tight fittings and firmly held together when assembled. Supplied complete with base plate and four stainless steel smooth reference base pins.

JMT - 523
SHRINKAGE BAR MOULD (TWO GANG)
IS : 1199, 5515.
As above but two compartments assemble on a base plate.

JMT - 524
SHRINKAGE BAR MOULD (THREE GANG)
As above but three compartments.

JMT - 525
STANDERD SPATULA
IS : 4031, 269, BS: 12
This is for use while casting a cement briquette.
Specifications :
The standered spatula consists of a steel blade, of a special shape. A wooden handle is fixed to the stem of blade. The weight Does not exceed 340gms.

JMT - 526
GUAGING TROWEL
BS : 12. IS : 4031
Specifications :
Weight approx.210gm. Best quality with hard wood handel blade length approx. 200mm.

JMT - 528
DEMOUNTABLE MECHANICAL STRAIN GAUGE
IS : 5512
It is for finding out the linear deformation caused on two reference points fixed on a loading member.
Specifications :
This portable gauge is designed for a gauge length of 20cm. of the reference pins. The deformation is indicated by a 0.002 x 10mm dial gauge attached to the instrument. Complete with two standard bars of 20cm gauge length supplied in a wooden case.
Accessories :
Reference pins in packet of 100 Nos..

JMT - 529
LATERAL EXTENSOMETER
This is for determining the lateral extension of 15cms dia x 30 cm high cement concrete cylinders while testing them under compression.
Specifications :
The unit consists of two movable frames pivoted at one end. The extensometer is fixed to specimen with the help of tightening screws. The lateral extension is indicated on a dial gauge of .002mm x into 12mm travel. The extension is magnified 2.5 times and the dial gauge reading are to be divided by 2.5 to get the exact reading.
A spacer strip is provided to initially set the dial gauge, and can be removed after initial setting. Supplied in a wooden carrying case .

JMT - 530
LONGITUDINAL COMPRESSO METER
It is designed for finding out the deformation and strains on 15cms, diameter and 30cms high cement concrete cylinders when subjected to compressive loads..
Specifications :
Consists of frame with a bottom ring and a top ring with tightning screws to firmly clamp the compressor meter over the cylinder. A dial gauge .02mm x 12mm is mounted on the upper ring and the tip of the dial gauge rest on the anvil. The zero oth the dial gauge can be set by adjusting the anvil screw. Supplied in a woden carrying case..

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