Four-way reversing valves are applicable for heat pump systems such as central, unitary and room air conditioners to realize switching between cooling mode and heating mode by changing the flow path of refrigerant.
1. Capacity Range: 3 US ton to 240 US ton (Based on R22 nonical capacity)
2. Advantage: wide application range; low leakage risk; minimum pressure drop; high reliability; energy saving;
3. Application refrigerature: R22, R407C, R410A, R134A etc.
4. Fluid application temperature: -30ºC~+120ºC
5. Application ambient temperature: -30ºC~+50ºC
6. Relative humidity:95% RH
7. Service life: 20000 times
8. Max using pressure: 4.2Mpa
9. Bellow test pressure: 3.0Mpa
10. Temperayure endurance:120ºC
11. Coil insulated resistant: >1000MΩ
12. Coil termperature increase:<70K
13. Coil Max using temperature: +130ºC
Zhongli heating & Cooling was founded in 1993 with brand Com-Energy heat exchangers and units. Located in shengzhou city, zhejiang province which about 1 hour to Hangzhou, Ningbo, Yiwu and 2.5 hours to Shanghai. Gathering research and development, professional manufacturing, trading into one of the comprehensive enterprises. Production Plant area over than 20,000 square meters with more than 100 workers.
Main products: Air coolers, evaporators, condensers, condensing units(box type, open type, parallel type, customized type), compressors, refrigeration accessories,etc.
Equipped with advanced production machine: Huge Laser cutting device, Fully automatic copper pipe cut and bend machine, CNC punching and Crimping machine, CNC Shearing machine, Bending machine, Full automatic vertical tube expanding machine, Horizontal tube expanding machine, Automatic aluminum strip blanking machine, Clean and dry machine, etc .
Main certificates: ISO9001:2008 quality system certification, CE certification, National production industrial license, Combined cold storage agricultural machinery promotion certificate and so on.
Product testing: The company is equipped with performance testing laboratory, strict quality control in each link of production, 48-hour gas retention test of finished products, labels and packaging check before delivery,etc.
Ultimate concept: We will continuously improve high quality products and sincere service to make Zhongli products stronger and bigger in the world.
Business Type:Manufacturer,Trading Company
Main Products:Mechanical engineering，Refrigeration equipment and spare parts manufacture and selling。