Dongguan Sitai Instrument Co., Ltd
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ST-ZK72 vacuum defoamer
Product use: Vacuum defoamer This series of equipment is one of the commonly used devices for baking and aging experiments in a vacuum state. The vacu
Product details


Product Usage:

The vacuum defoamer series equipment is one of the commonly used devices for baking and aging experiments in a vacuum state for various products. The vacuum defoamer is suitable for electronic instruments, materials, electricians, vehicles, metals, electronic products, and various electronic components to test their performance indicators and quality management in temperature environments.


Box specifications:

1. Internal dimensions: width 400 x depth 450 x height 400mm;

2. The external dimensions are approximately: width 700 x depth 730 x height 1550mm, subject to the actual product;

3. Machine structure: integrated, with a vacuum pump built into the lower part of the machine;

4. Partition: divided into two layers, with the first layer above 50mm from the bottom divided equally. There are two distribution boards that can be easily removed;

5. Panel installation: The control panel is installed under the machine;

6. Door opening method: Single door opens from right to left;

7. Visual window: with a visual window on the door, specifications W200 * H350mm;

8. The inner material is 304 # stainless steel industrial plate, with a thickness of 3.0mm. The inner box is reinforced and vacuum sealed without deformation;

9. The outer material is Q235 cold-rolled steel plate, with a thickness of 1.2mm, treated with powder coating paint; (Wrinkles gray white)

10. The insulation material is: high temperature resistant rock wool, with good insulation effect;

11. Install brake adjustable casters that can be pushed freely;


Vacuum system:

1. The entrance of the machine is sealed with high-density silicone strips;

2. Use a vacuum gauge to display the vacuum level inside the box;

3. Vacuum induction: diffusion silicon pressure transmitter;

4. The vacuum control method is automatic control, which automatically stops when the vacuum reaches the set vacuum level and starts when it falls below the lower limit. This cycle works to maintain a constant vacuum level inside the box;

5. Pressure relief method: manually activate the solenoid valve to relieve pressure during baking, testing, or midway product retrieval;

6. The range of machine vacuum degree is from 0.0KPa to -1000KPa, and the displayed vacuum degree varies depending on the region;

7. Vacuum pressure leakage rate: After vacuuming to a vacuum degree of -100.0KPa, stop the machine and maintain it for 24 hours, with a leakage rate of ≤ 10KPa;

8. Vacuum gas conditions: Before vacuuming, ensure that the temperature inside the box is below 80 degrees Celsius to prevent damage to the vacuum pump caused by excessive air temperature;

9. Vacuum pipes: stainless steel pipes, steel wire pipes, etc;

10. Vacuum control valves: check valves, pipeline exhaust valves, pressure relief valves, etc;

11. Vacuum pump configuration: using Haokaide RH0020 direct connection vacuum pump, motor power 220V/750W


Machine power supply:

1. Voltage 220V/50Hz single-phase

2. Current 20A

3. Total power 4.5KW


Protection system:

1. Overtemperature protection system: When the temperature is out of control and exceeds the set temperature for overtemperature protection, the heating and power supply will automatically stop, thereby protecting the safety of the product and machine.

2. Circuit protection system: grounding protection, quick safety, overload protection, etc



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