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We offer a wide range of Compression Testing Machine Hand Operated that are operated manually by hands. These products are used for compression test on cement and concrete or similar materials. These machines are suitable for use on concrete cubes of any size and the load is applied through hydraulic assembly. These products are well known for its dimensional accuracy and compact size. These products are basically used in the construction industries for surveying the land.

Features:

• International quality
• Easy to use and maintain
• Reasonable price
• Highly durable

Specifications:

• Size: 5cm x 5cm x 5cm, 7.06 x 7.06cm, 10cm x 10cm x 10cm, and 15cm x 15cm x 15cm
• Height: 10 x 20cm and 15 x 30cm

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BIS : 4031 5513. For determining the normal consistency and the setting times of cements and the setting times of Class A lines. Complete with one each of mould, glass plate, Initial needle, final needle and consistency plunger. Scale reading upto 40 mm.fitted with a dashpot.

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The main purpose of the soundness test is to assess the possible risk of late expansion due to hydration of uncombined calcium oxide and/or magnesium oxide. The test uses apparatus known as Le Chatlier apparatus, which magnifies any expansion during heating to a value that can be measured.

The apparatus consist of a small split cylinder of spring brass or other non-corrodible metal of 0.5 mm thickness forming a mould 30 mm internal diameter and 30 mm high. On either side of the split, two indicators are brazed suitably with pointed ends made of 2 mm diameter brass wire in such a way that the distance of these ends to the centre of the cylinder is 165 mm. The split cylinder will be kept between two glass plates.

Water Bath For Le-Chatelier Test

Water bath capable of containing immersed Le-Chatlier moulds with specimens and of raising their temperature from 27' deg _+ 2'deg C to boiling in 27 +/- 3 minutes.

Made of double walled, Outer made of CRC Sheet – powder coated or stainless steel and inside made of stainless steel. Gap between the wall filled by glass wool to avoid heat losses. Temperature is controlled by sensitive thermostat and temp. read on Glass Thermometer or DIGITAL Temp. Indicator cum controller with timer programmed to achieve boiling temp. in prescribed time. The bath is suitable to accommodate six moulds at a time. Complete with stand to hold Le-Chatlier moulds in prescribed method. Complete with three core wire and 15 Amp. Three pin top,

• Weighing balance accurate up to 0.1gm
• Measuring cylinder
• Stop watch
• Trowel
• Tray

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Double walled inner chamber in stainless steel outer chamber in mild steel temperature range Ambient to 100°C controlled by capillary thermostat. Accuracy ± 1°C operated on 230V A.C. Single Phase. These baths are suitable for washing Marshall specimen. Lid is made up of stainless steel with a hole for glass thermometer to penetrate.

Following sizes are available :

• 12" length x 9" width x 7" height having rating 750W.
• 18" length x 12" width x 7" height having rating 1500 W. Customised sizes also available.

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Used for finding specific gravity of hydraulic cement. Made from borosil glass. The flask is 243mm in total height, having a bulb of 90 mm dia of 250ml approximate capacity. The long neck of the flask has at top a funnel of 50mm dia in which fits a ground glass stopper. The neck has over-all 11mm i. D. Upper portion is graduated from 18 ml to 24ml with 0. 1ml graduation. Just at the bottom of the neck 1ml capacity is marked in between there is 17ml capacity bulb.

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The mould is used for casting specimens of cement aggregate combinations for measuring the potential expansive alkali
Specifications : The mould, which has 25mm x 25mm x 25mm effective gauge length is made of mild steel and has accurately machined faces. The parts of the moulds are tight fitting and firmly held together when assembled. Supplied complete with base plate and four stainless steel smooth reference pins.

Features:

• Vibration less performance
• Durable
• Strong

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It is used to measure the drying shrinkage of autoclaved portland cement and potential expansive reactivity of Cement aggregate combinations in mortar bars during storage on self-drying.

The instrument consists of chanelled base over which two vertical pillars are fixed. An adjustable cross plate is at the top. A dial gauge, reading to 0.002 mm x 12 mm or 0.01 X 25mm is fixed to the top. The plunger end of the dial Gauge can be located up on a 6.5 mm. dia ball or other reference point cemented in the specimen. On the base there is a similar recessed seating in which can be placed a second ball or reference point in the specimen.

Complete with a stainless steel standardiation bar with insulated grip and with 6.5mm dia ball mounted in the ends.

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After it has set, cement must not undergo any appreciable expansion, which could disrupt a mortar or concrete. This property of soundness is tested by subjecting the set cement to boiling in water or to high-pressure steam. Unsoundness can arise from the presence in the cement of too much free magnesia or hard-burned free lime

This method covers determination of the autoclave expansion of Portland cement by means of a test of neat cement paste specimens, 25.4 X 25.4 X 285.8mm, which are moist cured for 24 hours +/- 1-1/2 hours and then exposed to action of steam under specified pressure for 3 hours. The rate at which pressure is increased in the beginning the test and released in the test are specified. Linear expansion is measured by micrometer comparator.

Silent Features:

• Rust proof stainless steel pressure vessel
• Specially designed Steam Safety Valve, pressure control switch and Temp. control switch - Triple Safety precautions for operator safety
• Accurately Calibrated Pressure Gauge
• Guaranteed timings and performance as per IS 4031

The Autoclave is double walled. Inner boiler chamber of stainless steel cylinder, with concealed yet easily replaceable heaters surrounding the vessel for quick heating. The boiler lid is of thick stainless steel and can be bolted to the chamber by heavy hexagonal nuts. The silicon gasket, seated in a groove, makes the unit leak proof even at high pressure. The boiler is mounted in between the strong angle iron frame and covered with CRC sheet – attractively powder coated. The outer cover can also be of Stainless steel at an extra cost. The gap in between the walls is filled with thermal insulation to prevent heat loss and energy. The control system consist of sensitive pressure regulator, pressure gauge, safety valve, temperature control switch, power ON-OFF switch and pilot lights to indicate status of the electric heating units and control switches.

Inside chamber dimensions	10.5 cm dia x 40.5cm height.
Rating	3000 watts
Pressure range	21 kg/cm2
Least Count	04 kg/cm2
Temp.range	215 deg C
Power supply	230 Volts AC Single Phase 15 Amp

Standard Accessories:

• Special rack to hold specimens above water level in the autoclave and in vertical position
• Pressure gauge with calibration report with national traceability
• Silicon rubber Gasket
• Spanner

Accessories At Extra Cost:

• Length comparator with dial micrometer 0.002mm X 5mm
• shrinkage bar moulds(single/two/triple gang)
• PID Auto tuning Digital Temp. indicator cum controller with or without PC interface for data logging
• PID Auto tuning Digital Pressure indicator cum controller with or without PC interface for data logging
• Spare heater set
• Spare Silicon Gasket
• Spare Pressure gauge
• Spare safety valve

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The chemical reaction that takes place between cement when mixed with water is exothermic. The intensity of this reaction is measured in this test. The value of heat of hydration can be important where the cement maybe incorporated into concrete which will be poured in large volumes. In such cases there can be a considerable build up of heat as the reaction takes place, which, if excessive, could caused cracking in the structure. Heat of hydration of cement is expressed in calories per gram.

The apparatus consists of an open mouthed thermos flask of definite dimensions with a cork lid, an insulated container for the flask, a Thermometer with reading lens, a constant speed stirrer(400-r.p.m.) and a funnel for introducing the sample. As Per IS 4031. Supplied without thermometer.

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Although generally not such an important property of concrete than compressive strength, tensile strength values are often important to know when the concrete used free of reinforcement and may be subjected to some tensile force. The test method essentially involves applying a load at the centre of a beam of concrete supported at its ends. The load required to break the specimen is then recorded.

The machine consists of a motorized load frame. The lower platen has two rollers, the distance between which is adjustable. For 150 mm x 150 mm x 700 mm beam, the centre distance between the rollers is 600 mm, while it is 400 mm for beams of size 100 mm x 100 mm x 500 mm. The upper platen has also a pair of rollers whose distance adjustable. It is 200 mm centre to centre, for 150 mm x 150 mm x 700 mm size beam and 133 mm for 100 mm x 100 mm x 500 mm size beam. Total capacity of the machine is 100 KN. 150mm dia pressure gauge of 0-100 KN x 1 KN least count to indicate load is fixed on the load frame. A separate electrically cum hand operated pumping unit housed in a cabinet is supplied. On/Off switch and a slow/fast lever to control rate of loading are fitted on the front panel of the pumping unit. A facility for hand operation is provided. A micro switch and relay fitted inside the pressure gauge protect the unit from over loading.

Hand operated version consists of a load frame. A small hand pumping unit is attached to the load frame. Since this is a hand operated light weight machine. It is useful for field laboratory also.

• Spare Oil seal
• Hydraulic Oil ( tin of 5 ltrs)
• Beam Mould 10 X 10 X 50 cm
• Beam Mould 15 X 15 X 60 cm
• Beam Mould 15 X 15 X 70 cm
• Beam Mould 15 X 15 X 75 cm
• Trowel
• Concrete Scoop

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Concrete moulds are easily cast by using a tamping bar or a vibrating table. However air tapped in cement mortar paste can not be thus removed while casting cement mortar moulds. Easy method is to impart greater vibration of lesser amplitude to the mould while casting. This is achieved in a vibrating machine. Vibration machine is used for the preparation of mortar cubes for the determination of compression strength of ordinary and rapid hardening Portland cement, low heat Portland cement, Portland blast furnace cement and high alumina cements.

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It is used for mixing cement pastes, mortars and pozzolanas. The mixer consists of an epicyclic type stainless steel paddle imparting both planetary and revolving motion. Mixer have two speeds. Mixer blade has low speed of 140 + 5 rpm and medium speed of 285 + 10 rpm, while it also has a planetary movement of 62 + 5 rpm in low range and planetary movement of 125 + 10 rpm in medium range. Stainless steel bowl fitted with handle, fitted with lid made of non-absorbing material and not attacked by cement, masonry cement, cement pozzolana mixture or lime pozzolana mixture. The scraper consists of semi rigid rubber blade attached to a handle about 150 mm long. The blade about 75 mm long, 50 mm wide and tapered to a thin edge. Suitable for operation on 230 Volts, single phase

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The Jolting Apparatus consists of a rectangular table, rigidly connected by two support arms to spindle at a horizontal distance of 800 mm from the center of the table. We procure high grade spares and components to develop technologically advanced range of products, which can work without any interruption.

Specifications:

• Size: 40 mm x 40 mm x 160 mm
• Horizontal Distance: 800 mm
• Cam Rotates: 60 rev/min.
• Operation on: 230 Volts

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Pozzolana Cement Mortar Permeability Apparatus (Three cell model) For water proofing of concrete admixture and special water proof cements are used. Water proofing of these compounds, is established by measuring permeability of standard mortar. Specimen with or without such water proofing compounds. Permeability apparatus is used to determine permeability to water of cement mortar specimens with or without water proofing compound.

Salient Features

• Specification : The mortar permeability apparatus comprises three brass/ gun metal cells mounted on a stand and a pressure chamber with a pressure regulator. The cell can accommodate 100mm dia x 50mm high specimen. Each cell assembly consists of one base plate. The base plate has one outlet for water and is recessed to hold the specimen in place with a ring washer in between. The top plate has an inlet for water and a suitable connector for the application of pressurized water in the cell. The mounld and collar are clamped between the base plate and the top plate with the help of four tension rods and nuts. The cells are mounted on a stand.
• The pressure chamber is fitted with a pressure regulator which helps in regulating the pressure from 0-7kg/sq. cm. The regulator has two pressure gauges, one for indicating the pressure in the chamber (0-10.5kg/sq.cm.) The pressure chamber is connected to the cells with pressure hoses and with couplings. This pressure chamber is fitted with schrader valve. Pressure is applied to the pressure chamber with help of a foot pump and rubber hose which are supplied with the instrument.
• Also available:-Cement Mortar Permeability Apparatus (Single Cell Model)
• Cement Mortar Permeability Apparatus (Three Cell Model)
• Cement Mortar Permeability Apparatus (Six Cell Model)

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The consistency and workability of concrete is a very important factor and is strictly connected to the water/cement ratio, to the effect of admixtures and finally to the strength and quality of concrete. Suitable for concrete mixes of high and very high workability. To perform this test, a sample is placed on a metal surface which is then raised and dropped through a known height.

The flow table consists of a brass table top 250 + 2.5mm dia mounted on a rigid stand. The table top is reinforced with equally disposed ribs and allowed to drop through 12mm by a ground and hardened cam, Complete with mould 100mm base dia, 70mm top dia and 50mm high. The cam shaft is rotated at the rate of 100 RPM by an electric motor. Suitable for operation on 230 Volts 50 cycles. Single Phase, A.C. Supply. Manually operated flow table also available.

The Flow Table consists of a brass or Mild steel table top of 76.2 cms(30")dia, finely machine from a solid brass casting or Mild steel Plate. The stand is fabricated out of cast iron/mild steel and is of study construction. The ground and hardened steel cam is designed to drop the table by 12.5mm. Complete with flow mould with handles with one tamping rod 0-60 cms long X 16cm. electrically operated to raise and drop the table top. approx. 15 times in 15 seconds. Suitable for operation on 230 volts, 50 cycles, A.C. Supply. Manually operated flow table also available.