Description
Double Stage Compressor Racks
BQ-F Series Semi-hermetic 2 Stage Low Temp Comp Racks
Description:
Semi-hermetic 2 stage low temperature compressor racks series are applicable to fast freezing tunnel and fast freezing cold rooms, high efficiency, low vibration and high reliability.
Features:
1. With high efficiency semi-hermetic 2 stage screw compressor;
2. Cooling Type: water and evaporating are optional;
3. High EER and energy saving, compare with the single stage compressor, the EER is higher about 50%;
4. Work at the lowest evaporation temperature, can reach to -60℃when refrigerant is R22, can reach to -65℃when refrigerant is R404A;
5. With PIC controller, to adjust capacity according to cooling capacity required for energy saving;
6. With a complete set protection devices for over heating, over loading, wrong phase sequence, oil and high/low pressure and etc.
FAQ:
Warranty:
1) One year warranty: non-artificial free exchange damaged parts along with the shipment in warranty
2) Per your special requests are welcome for discussion.
3) After-sale: Salesmen phone 24 hours a day, if you meet any question, we will serve you at any time.
In order to providing a suitable solution and quotation for your application, pls try as possible to let us know more your requirements and application, general enquiry requests:
1. What's the frozen products?
2. What's the temperature of cold storage?
3. What's the temperature of frozen products?
4. What's the size of cold room?(L*M*H)
5. What's the power supply?
6. Which refrigerant do you need? R22/R407C/R134A/R410A?
7. Which type unit you prefer? Scroll type, piston type or screw type?
8. Other requirements.

Faq
We specialize in complete HVAC solutions including: Wall-mounted, window, floor-standing and portable AC units, Residential and central air conditioning systems, Heating and ventilation equipment, Split units and control systems, Air curtains and refrigeration products, Our product range covers all major air conditioning categories with 5M+ annual production capacity.
All products meet international standards with: Safety: CE, UL, CB, SASO, Energy: Energy Star, ERP, Regional: IMETRO (Brazil), NOM (Mexico), Quality: 6 Sigma manufacturing processes, Comprehensive warranty coverage (3 years full unit, 5 years compressor).
Our industrial footprint includes: 50,000 sqm production facilities across Shenzhen, Ningbo, Foshan & Anhui, 30 automated assembly lines, 530+ engineering specialists, 15,000 skilled employees, 6M+ main electrical appliances annual capacity.
We distribute to 150+ countries with focus on: Africa & Middle East, Americas, Asia, Europe (via Hong Kong/Cologne operations), Our global revenue reached $5B (2012) with $13B growth targets.
Key advantages: Decades of AC design/manufacturing expertise, Complete engineering-to-installation services, massive production scale with quality assurance, Global certification portfolio, Strong R&D (530+ engineers), Comprehensive warranty programs, Localized support through Hong Kong offices.
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