CIRCULATING CORROSION TESTER FOR AUTO COOLANT / ANTIFREEZE :: ASTM D 2570 / JIS K 2234 / IS 5759
Model Code : SEWCC01 (single place assembly) / SEWCC02 (Two place assembly)
This test equipment is manufactured in accordance to JIS K 2234 / IS 5759. It consists of heating bath, circulating pump, and radiator assembly for evaluating the effects of engine coolant on metal specimens by circulation continuously for specified period under controlled laboratory conditions. It is a floor mounted bench. The temperature of the coolant sample is maintained at 88°C (190°F), flow rate is about 60 LPM and the test is continued for about 6 weeks (1000 hours).
| APPARATUS CONSIST OF | ||
| Heating bath | : | SS 316 mfg. bath, cylindrical type, accommodate three test sets, ~7 lit.. capacity. |
| Circulating pump | : | Standard automobile centrifugal pump, casing of aluminum casting and vanes of steel. |
| Radiator | : | Standard automobile radiator with a reserve container (for coolant recovery) |
| Flow indicator | : | Digital type flow measuring device with sensor, flow control valve etc. |
| Upper & lower hoses / tubes | : | Rubber hoses of automobile industry quality, SS connecting tubes. |
| Frame work | : | Sturdy framework, ground mounted enclosure, ventilating system. |
| Pulleys and drive belt | : | Driving assembly to couple the motor and the pump. |
| Control panel | : | Digital temperature indicator cum controller, digital display. |
| Recommended Spares | : | Circulating pumps, metal specimen set, Thermometer: ASTM 12C, etc. |
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CAST ALUMINUM CORROSION TEST APPARATUS AT HEAT REJECTION SURFACE :: ASTM D 4340 / JIS K 2234/ IS 5759
Model Code : SEWCA01 (single cell assembly) / SEWCA02 (two cell assembly)
This Test equipment is in accordance with ASTM D 4340 in which a heat flux is established through a cast aluminium alloy typical of that used for engine coolant cylinder heads while exposed to an engine coolant under a pressure of 193 kPa (28 psi). The temperature of the aluminium specimen is maintained at 135OC (275OF) and the test is continued for 1 week (168 hours).
| APPARATUS CONSIST OF | ||
| Heat transfer corrosion cell | : | Pyrex glass mfg. heat resistant, Teflon seals, guiding rings, SS end plates. |
| Heating assembly | : | Band Heaters 1000W, 230V AC, standard ceramic insulation, SS cladding. |
| Pressure regulating assembly | : | Pressure reguletor with pressure switches, pressure safety valve, gauges, tubing, etc. |
| Safety shield | : | Transparent safety shield of an acrylic sheet. |
| Frame work | : | Sturdy framework, table top mounted enclosure |
| Control panel | : | Digital temperature indicator cum controller, set point, pressure control, relays, etc. |
| Recommended spares | : | Ultra Sonic Bath, vacuum oven, vacuum pump, compressor, Aluminium specimen, etc. |
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CORROSION TEST FOR ENGINE COOLANTS IN GLASSWARE APPARATUS :: ASTM D 1384 /JIS K 2234/ IS 5759
Model Code : SEWCG01 (single place assembly) / SEWCC02 (three place assembly)
This test equipment is manufactured in accordance to ASTM D 1384 / IS 5759. Specimens of metal typical of those present in engine cooling systems are totally immersed in aerated engine coolant solution for 336 hours at ~ 71OC. In the glassware provided. The corrosion inhibitive properties of the test solution are evaluated on the basis of the weight changes incurred by the specimens.
| APPARATUS CONSIST OF | ||
| Heating bath | : | SS mfg. constant temp. bath separate control assembly for each accommodated beaker. |
| Flow control assembly | : | Separate rotameters for each beaker, indicate and control the flowrate. |
| Test assembly | : | Borosilicate mfg., spoutless beakers, water condenser, aerator tube, RTD sensors, etc. |
| Auxiliary stands | : | Stands to support condensers, aerator tubes, RTD sensors, etc. |
| Frame work | : | Sturdy framework, table top mounting. |
| Control panel | : | Variable heating control, digital temperature control, separate control for each beaker. |
| Recommended spares | : | Metal specimen sets, thermometer: ASTM 12 C, dry air supply (air compressor) |
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AUTOMATIC DETERMINATION OF FREEZING POINT APPARATUS :: JIS K 2234 / ASTM D 1177/ IS 5759
Model Code : SEWFP01 (Single place assembly) / SEWFP02 (Two place assembly)
This apparatus is used for the determination of the freezing point of an aqueous engine coolant solution in the laboratory. The method involves the determination of the time temperature curve to find out the freezing point of the coolant.
| APPARATUS CONSIST OF | ||
| Cryogenic bath | : | SS/MS mfg. jacketed bath, continuous stirring, accommodated 1/2 test tubes. |
| Cooling assembly | : | Insulated copper tubing, CFC free refrigerant, air exhaust, compressor, etc. |
| Test tube assembly | : | Borosilicate mfg. tubes, stoppers with holes, RTD sensor, coil type steel wire stirring. |
| Frame work | : | Sturdy framework, ground mounted. |
| Control panel | : | Digital temperature indicator cum controller, precise temperature recording. |
| Data logger with software | : | Time v/s temperature relation, direct plotted graph to determine the freezing point. |
| Recommended spares | : | Thermometer ASTM 2C, personal computer, printer, test tubes, stirrers, etc. |
CAVITATION CORROSION CHARACTERISTICS TEST APPARATUS FOR ALUMINUM PUMP :: ASTM D 2809 / IS 5759
Model Code : SEWCV01
This apparatus is used for test method which evaluates the cavitation corrosion characteristics of aluminium automotive water pumps with coolants. The test method can be used for distinguishing coolants that contribute to cavitation corrosion and erosion corrosion of these pumps. In the test, aqueous coolant solutions circulated through the simulated system and an aluminium automotive water pump is used as test specimen. The pump is examined to determine the extent of the corrosion damage and rated accordingly.
| APPARATUS CONSIST OF | ||
| Pump test Frame / stand | : | Sturdy framework, ground mounted enclosure, copper, brass and bronze circuitry. |
| Heating system | : | SS 316 cylindrical type container with single point drainage, immersion type heaters, etc. |
| Test pump | : | Standard automotive pump, casing of aluminium casting with front cover assemblies. |
| Test assembly | : | Full engine front cover assembly consisting radiator, connecting tubes, hoses, pulleys, etc. |
| Flow indicator | : | Digital type flow measuring device with sensor, flow control valve etc. |
| Control panel | : | Heating control, digital temperature indicator cum controller, digital display. |
| Recommended spares | : | Reserve tank for coolant recovery, thermometer: ASTM 12 C, etc. |
EQUIPMENT FOR DETERMINATION OF RE-PASSIVATION POTENTIAL OF ALUMINUM ALLOY BY GALVANOSTATIC MEASUREMENT :: ASTM D 6208
Model Code SEWGM01
The Test equipmen t is in accordance with ASTM D 6208 in which an aluminium alloy is polarized at fixed current density for fixed time period in a solution of coolant & chloride solution. Upon polarization the maximum potential EB, or the break potential at which the passive aluminium oxide layer breaks down and subsequently minimum potential EG, or the protection potential at which oxide layer repassivates are recorded as the function of time intervals by Galvanostatic method. The software logs continuously the time and potential. These potential values are indications of the relative effectiveness of inhibitors to mitigate pitting corrosion of aluminium and its alloys. This method gives quick qualitative correlation of the measurements and susceptibility in service.
| APPARATUS CONSIST OF | ||
| Test cell | : | O-ring borosilicate glass joint, tie-rod & clamming arrangement, silicone gasket, etc. |
| Power supply | : | Constant current Power Supply (PSU) to regulate output current to 872 μA continuously. |
| Recording assembly | : | The recorder of high input impedance (>1012 ohms), continuous record. |
| Data logger with software | : | Log of time v/s potential relation, direct plotted graph to determine EB & EG. |
| Electrodes | : | Working UNS A93003 aluminium alloy, Auxiliary refined graphite, Reference Ag/AgCl. |
| Control panel | : | Potential indicator cum controller, precise controlling and recording. |
| Recommended spares | : | Personal computer, printer, electrodes, etc. |
FOAMING TENDENCIES TEST APPARATUS FOR ENGINE ANTIFREEZES IN GLASSWARE :: ASTM D 1881
Model Code : SEWFT01
This apparatus is used The test is carried to determine foaming tendencies of Engine Coolants using glassware test apparatus to foam under controlled laboratory conditions of aeration and temperature. A solution of coolant and distilled water is blown with air at a constant rate for 5 minutes maintaining constant temperature. The volume of foam and time for the foam to break are measured. The test is conducted in duplicate.
| APPARATUS CONSIST OF | ||
| Heating bath | : | Borosilicate mfg. constant temperature liquid baths, temperature controlling arrangement. |
| Test cylinders | : | Borosilicate glass material, graduated of 500 ml capacity design as per standard. |
| Supply tubing | : | Aerator tubes with gas diffuser stone, specifications as per standard. |
| Flow meters | : | Rotameter assembly with flow control valve, venting arrangement. |
| Control panel | : | Digital temperature indicator cum controller, set point, digital display, relays, switches. |
| Recommended spares | : | Glassware set, air delivery tubes, ASTM 12C thermometer, etc |
