Electro-hydraulic compressive test instrument

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Steel pipe compressive test machine is mainly used for brick, stone, cement, concrete and other building materials, compressive strength test, can also be used to test the mechanical properties of other materials.

Machine Summary:

This compressive test instrument is mainly used for brick, stone, cement, concrete and other building

materials,compressive strength test, can also be used to test the mechanical properties of other materials.

Hydraulic System:

The oil tank is sucked through the filter screen and be inhaled pump oil ,through the petroleum pipeline of

oil pump transport to oil valve,When the hand wheel to send off the oil, due to the role of oil will push the

piston, the oil from the return pipe to tank,when the hand wheel to open get the oil, then the working fluid into

the fuel tank through the tubing, pressure tubing through and through oil return valve to tank.

Control System:

Electro-hydraulic compressive test instrument adopts hydraulic loading, electronic measuring, with a load of

figures, the loading rate shows that the maximum load to maintain, as well as overload protection and power

data retention and other functions.

Safety Protection Device:

When the test force more than 3% of the maximum test force, the overload protection, oil pump motor shut down.

Fixture:

Whole set fixtures include: a set compression platen fixture

Technical Parameter:

Model	Compressive test instrument
Max load	100kN （resist bend）	300kN （resist bend)	302kN （resist bend and compress）
Test force measuring range	4%-100%FS KN
Test force showed the relative error	≤indicating value±1%
Test Force Resolution	0.01KN
Hydraulic pump rated pressure	27MPa
Bearing compress plate size	φ155mm
Maximum distance between the upper and lower plate	230mm
Resist bending roll diameter	φ32mm
Maximum distance between the upper and lower resist bending rollers	165mm
Between two bending rollers upon the center distance	150mm
Between two bending rollers under the center distance	450mm
Piston diameter	φ130mm
Piston stroke	80mm
Motor power	3 phase 0.75 kW
Outside dimension	850×620×1340mm
Net weight	400Kg

Q: Cutting acetylene bottles on how there are 2 pressure gauges, which is an adjustable, adjustable number, and oxygen. Thank you!: There are two pressure gauges on the acetylene meter. One is a high pressure meter that measures the pressure in the bottle (i. e. the amount of acetylene in the bottle). Another piece of table is a low table, can be adjusted, which is cutting the required pressure, the pressure is related to the thickness of the plate according to the number ofAn oxygen meter is the same as an acetylene meter

Q: Is the accuracy level, not the type, thank you all: Grade A is one of the precision pressure gauge American Standard ASME B40.1 provisions, equivalent to our standard 1 level (basic error limits for the full range of + 1%)

Q: How do you use this? How about two pointers? Don't use that kind of book. It's just as the saying goes, "take it step by step, how to use it. Thank you."!!!: Blue red yellow high, connected with a low voltage, connected with vacuum pump, blue red switch full open, vacuum pump work for 10 minutes, then the blue red switch closed, wait 10 minutes, see the table pointer has no change, no change can add refrigerant, the refrigerant pipe connecting the first yellow bottle. Che Zifa, the cold medium, yellow head spin open air open blue switch, will be added, such as pointer does not move, turn off the blue switch, air conditioning, open blue switch, with a good bottle, then turn off the blue switch, change the refrigerant, then how much should be.! The red tube switch is always closed! Remember!

Q: What's the difference between a pressure gauge and a negative pressure meter?: According to the type of pressure to be divided into negative pressure table, differential pressure gauge, positive pressure gauge, so the negative pressure gauge is only one kind of pressure gauge.Negative pressure meter measurement is relative to the local atmospheric pressure for negative pressure, negative pressure table, also known as vacuum pressure gauge, but conceptually there are some subtle differences, not here.If there is no special explanation, we generally say the pressure gauge defaults to the positive pressure meter.

Q: What does the red line on the dial of the pressure gauge stand for? Is the design pressure or the maximum pressure?: This is the most red table before use, the right table should be added to the school department, refers to the maximum allowable working pressure of the equipment installation, said the pressure to reach or exceed the risk.

Q: Construction drawings marked life water supply, fire water supply test pressure value of 0.6 and 1.4, respectively, what kind of pressure meter should I choose?: You can choose 1.6Mp, and your 0.6 and 1.4 are already experimental pressure, this is the highest pressure, the normal work of the pressure must be lower than this value.

Q: What kind of pressure gauges do you need for repairing refrigerators?: At least two, one is low voltage with negative pressure, the other is without negative pressure measurement of high pressure, one end of the refrigerant bottle or not connected, and the other end of the expansion bell mouth of the copper pipe reception test pipeline. When you go to the accessories store, the boss will tell you.

Q: Pressure gauges M20*1.5, M14*1.5 need to be equipped with DN how many valves, and pressure gauges, elbow and connector specifications, models: There is a special pressure gauge switch. With M20 * 1.5, M14 * 1.5, it can be easily matched.

Q: The role of a pressure gauge: Its function should be to indicate the internal pressure of the pressure vessel (boiler, pipe, etc.)

Q: Because our company is currently using the electric contact pressure gauge, a year or so down, the scene will always appear or big or small problems, I would like to ask the current market can buy a table, which a few do better? ThanksIn addition the seismic electric contact pressure gauge? What's the oil spill?: There are many brands, the main thing is to see whether the standard, general standards are ok. In accordance with the requirements of its load, the standard requirements of the number of off and on 30 thousand times. Regular manufacturers of products usually meet this requirement, quality is generally ok.Use:Common electric contact pressure gauges are suitable for measuring the pressure of copper and copper alloys without corrosive gases and liquids.The common electric contact pressure gauge can be made by connecting with the isolator (diaphragm body) to make the electric contact diaphragm pressure gauge. It is suitable for measuring the pressure of corrosive, high viscosity and Yi Jiejing medium.

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