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KeLing Purification Technology Company Limited 


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Regular Maintenance of Clean Room

China KeLing Purification Technology Company certification
China KeLing Purification Technology Company certification
Customer Reviews
Keling had successfully supplied us following products on 25 Oct.2017 against PO NO.M170807; Their supplied Air Filters have been working satisfactorily since installation.We are satisfied with their products.


Since we do coopertae with them, they always offer good quality and keep the delivery on time to us, we do appreicated for their kind support !

—— Nasir

This is to certify that we bought U type air shower tunnel, Air Shower and HEPA filter, Secondary air filter ,perfilter for our project from KeLing Purification Technology Co. Ltd, 3C01 Tian Feng Commerce Square, Mid Building, No. 133, Baiyun AV, Baiyun Disctrict , Guangzhou , GuangDong, China against Contract No: 2014/4119005942 in October 22, 201

—— IATEC,Argentina

Product arrived faster than expected and they sent something special in addition to what I ordered. Nice people and fast service!

—— Mohammed Saad

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Regular Maintenance of Clean Room
Latest company news about Regular Maintenance of Clean Room

In order to ensure the normal operation of the clean room, we must strictly implement the relevant regulations when operation and pay attention to daily and regular maintenance. So, what aspects should the daily maintenance of the clean room start from? How should the clean room be maintained regularly?


1. Daily Maintenance


1.1 The cleaning and disinfection of the inside includes color steel plate surface, glass surface, floor and floor drain.

1.2 The cleaning and wiping of indoor equipment, pipes, lamps, etc.

1.3 Scrubbing and disinfection of air shower.

1.4 The cleaning of the outside includes the color steel plate surface, glass surface, floor, sterilization cabinet, disinfection sink, conveyor belt entrance and exit.


2. Monthly Maintenance


2.1 Cleaning and sanitation of the clean room ceiling. If cracks, corrosion or coating on the ceiling and walls are found, sealant must be added and decontamination treatment must be carried.

2.2 The cleaning and sanitation work in the return air duct includes the cleaning of the glass surface, of the color steel plate surface and of the ground.

2.3 Clean and scrub the air conditioner once a month.

2.4 Check the rotation of the fan and air valve, the lubrication of the rotating parts, the bearing and the bearing seat, and add lubricating oil regularly to ensure flexible rotation.


3. Yearly Maintenance


3.1 When the equipment is not at working period, the heat exchanger should be filled with water (close the outlet valve first, then the inlet valve) to reduce pipe rust, but in cold and icy areas in winter, the remaining water should be drained to avoid freezing and cracking of the copper pipe (especially the clean air-conditioning box).

3.2 After two years of operation, chemical methods should be used to remove the scale in the copper pipe of the heat exchanger, and the dirt on the surface of the heat exchanger should be flushed with compressed air or water until it is clean.

3.3 Check whether there is rust and paint peeling inside the air-conditioning box, water tank, and air duct, remove and repair the paint in time; check whether the air control valve of each part is damaged and repair it in time; check the electrical control box, switchboard, and electrical connection to make sure there is no loosening and over-heating, check whether the operation of the meter is normal, etc., and repair them in time; regularly inspect, calibrate the measurement and control the meter and equipment to ensure that its control is accurate and reliable.

3.4 Adjust the tightness of the belt, see the tightness of the fan drive belt or stop the hand pressure over 10mm or tighten it to less than 10mm. Damaged belts should be replaced and equipped in time.

3.5 Under normal circumstances, the HEPA filter is generally replaced once every 5 years at the longest without damage or over-resistance. The bag filter and pre filter can be replaced according to the product and the cleaning quality. The replacement period of the pre filter can be different. Replace directly when the pressure difference is doubled.

If the following conditions are found, HEPA filter should be replaced:

● Air flow speed drops to the limit, even after the pre filter and medium filter are replaced, the air flow speed cannot be increased;

● Resistance of HEPA filter reaches 1.5-2 times of the initial resistance, and the air flow of HEPA filter is 70% of the original air flow;

● HEPA filter is damaged and leaks that cannot be repaired.

3.6 UV lamp generally have a service life of 3000h, but they need to be replaced when the efficiency drops to 70%; the replacement and maintenance, should be registered and recorded for future reference and management.


Pub Time : 2022-05-18 12:50:26 >> News list
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KeLing Purification Technology Company

Contact Person: Mrs. Zhao

Tel: 86 20 13378693703

Fax: 86-20-31213735

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