Hebei centrifugal chillers / Shandong Province centrifugal chiller / centrifugal chillers centrifugal chillers centrifuge group according to user requirements, providing a variety of conditions in the refrigeration unit. Widely used in the comfort of central air conditioning systems in hotels, shopping malls, office buildings, airports, stadiums and other public facilities, and to meet the electronics, biotechnology, textile, chemical, metallurgy, constraints, electricity and other sectors of the process of the air conditioning system of different use Claim. [Features]? High-efficiency two-stage centrifugal compressor, aluminum casting backward curved impeller closed. ? Economizer with middle qi, improve system efficiency, energy efficiency as high as 6.3, far exceeding the national standard. ? Unique structure throttle valve with orifice plates, you can automatically change the refrigerant flow system according to changes in operating conditions, natural establish a liquid seal, to ensure that the part-load performance parameters of the unit. ? Efficient motor with liquid refrigerant spray cooling technology, electrical low operating temperature lower and higher efficiency. ? Multiple anti-surge measures, through prevention, control, adjustment and other comprehensive measures to surge through the accurate calculation of the curve, when the unit is running close to surge, the time to adjust the operating state, to solve the problem surge. ? Use of environmentally friendly refrigerant, the refrigerant to prevent damage to the environment, the protection of human survival space. ? SIEMENS big screen Chinese display, dual-CPU processor, with the speed of 0.25ms, enabling high-speed inspection of various control elements, menu-driven management, unit operating status at a glance, operation and maintenance simple.