9 USA 
2 Singapore 
1 Nigeria 
1 Bulgaria 
1 Iran 
Positive Pressure Circulators - China
price: 18600.00 Dollar US$
The operation principle please refer to picture1 - Please press the " Start Button after outside voltage 220V AC in explosion-proof control box ; Open air-intake casing by magnetic valve 4 excitation, the compressed air come into the positive pressure cavity by filtering and decompression ; the dangerous gas of positive pressure cavity is discharged by exhaust valve 8 : When the dangerous gas of positive pressure cavity reached to safety value, the ventilation will be finished as well as interlocking contact closed automatically.
In that case, electric appliance & instrument positive pressure cavity can start to work.
Company Contact:
- Phone: 13093881266
- Address: 17th Floor, Building 3, Greenland Central Plaza, No.98 Daguan Road, Hangzhou, China, Hangzhou City (杭州市), Zhe Jiang (浙江省), China
- Email:
- Website: http://www.royalpharm-equipment.com/
Published date: April 13, 2026
- Business Description: hangzhou royall import & export co., ltd. neighboring ningbo port, shanghai port, hangzhou xiaoshan int’l airport and shanghai pudong int’l airport, sharing excellent environment and convenient transportation, is a company which mainly engages in pharmaceutical intermediates and pharmaceutical equipment including centrifuges, planetary ball mill, blister packing machine, peristaltic pump cold trap, cooling and heating thermostat equipment, pumps, air compressor, filter, grinding machine and so on.
both domestically and internationally, we have successfully created market channels.
currently, royal pharma has been granted universal agency and foreign area agency status by some chinese chemical enterprises
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