KAITAIN JN Two-stage Compression Screw Air Compressor
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Power range: 90-400kW

The two-stage compression screw air compressors of Kaishan reach the key points of Level-1 energy efficiency:

KAITAIN JN Two-stage Compression Screw Air Compressor

1. Two-stage compression is closer to the most power-saving isothermal compression than single-stage compression. In principle, two-stage compression saves 5-8% more energy than single-level compression.

Adopting two-stage compression main engine means adopting two sets of SKY screw rotors of different sizes to achieve reasonable pressure distribution and reduce the compression ratio of each compression. Low compression ratio also has two special advantages: 1) reducing internal leakage, and promoting volume efficiency; 2) considerably reducing the load of bearings, promoting the service life of bearings and extending the service life of main engine.

2. World-leading efficiency of rotor molded lines

The most crucial is the efficiency of rotor molded lines, "T" patent molded line developed by Dr. Tang Yan, selected into Recruitment Program of Global Experts, with world-leading efficiency, 5-15% higher than other molded lines.

3. High-level configuration and system optimization

The key points also lie in the local design and details of products, and high-end system configuration and optimization, again 5-8% higher than the efficiency of other brand products.

Highly-efficient main engine and intrinsic air inlet conditioning design, cooling flow-field design, oil-gas separation technology, highly-efficient motor, intelligent automatic control and other innovative technology of JN series, will bring tangible energy-efficient benefit to customers.

Specification of JN series two-stage compression screw air compressors

Model Working pressure
(Mpa)
Capacity
m3/min
Power
(KW)
Outlet Noise
d B(A)
Weight
(kg)
Dimension
(mm)
VSD weight
(kg)
VSD dimension
(mm)
JN75-18/6-II  0.6 18 75 DN65  73 3400 2860×1780×2020  3500 3110×1780×2020 
JN75-18/7-II  0.7 18
JN75-16/8-II  0.8 16
JN90-23/6-II  0.6 23 90 DN65  73 3500 2860×1780×2020  3600 3110×1780×2020 
JN90-21/7-II  0.7 21
JN90-20/8-II  0.8 19.5
JN90-17/10-II  1 16.5
JN90-15/13-II  1.3 15
JN110-26/6-II  0.6 26 110 DN65  74 4350 2860×1890×2060  4450 3100×1890×2060 
JN110-26/7-II  0.7 26
JN110-24/8-II  0.8 24
JN110-19.5/10-II  1 19.5
JN110-18/13-II  1.3 18
JN132-34/6-II  0.6 34 132 DN80  75 5100 3200×1930×2260  5100 3440×1930×2260 
JN132-32/7-II  0.7 32
JN132-28/8-II  0.8 28 DN65  75 4450 2860×1890×2060  4550 3100×1890×2060 
JN132-24/10-II  1 24
JN132-21/13-II  1.3 21
JN160-40/6-II  0.6 40 160 DN80  76 6000 3660×2060×2280  6100 3770×2060×2280 
JN160-38/7-II  0.7 38
JN160-33/8-II  0.8 33
JN160-31/10-II  1 31
JN160-27/13-II  1.3 27
JN185-44/6-II  0.6 44 185 DN100  77 6300 3660×2060×2280  6400 3770×2060×2280 
JN185-42/7-II  0.7 42 DN80  6100 3660×2060×2280  6200 3770×2060×2280 
JN185-38/8-II  0.8 38
JN185-34/10-II  1 34
JN185-31/13-II  1.3 31
JN200-48/6-II  0.6 48 200 DN100  77 6350 3660×2060×2280  6450 3770×2060×2280 
JN200-46/7-II  0.7 46
JN200-41/8-II  0.8 41 200 DN80  77 6200 3660×2060×2280  6300 3660×2060×2280 
JN200-40/10-II  1 40
JN200-33/13-II  1.3 33
JN220-55/6-II  0.6 55 220 DN100  79 8800 4160×2260×2350  8920 4160×2260×2350 
JN220-53/7-II  0.7 53
JN220-47/8-II  0.8 47
JN220-43/10-II  1 43
JN220-38/13-II  1.3 37.8
JN250-60/6-II  0.6 60 250 DN125  79 9300 4160×2410×2350  9420 4260×2410×2350 
JN250-57/7-II  0.7 57
JN250-54/8-II  0.8 54 DN100  79 9100 4160×2260×2350  9220 4160×2260×2350 
JN250-47/10-II  1 47
JN250-42/13-II  1.3 42
JN280-67/6-II  0.6 67 280 DN125  82 8500 3530×2280×2270  8650 3530×2280×2360 
JN280-63/7-II  0.7 63
JN280-60/8-II  0.8 59.8
JN280-54/10-II  1 53.7
JN280-46/13-II  1.3 46
JN315-70/8-II  0.8 70 315 DN125  82 8600 3530×2280×2270  8750 3530×2280×2360 
JN315-62/10-II  1 62
JN315-56/13-II  1.3 56
JN355-70/10-II  1 69.2 355 DN125  82 8700 3530×2280×2270  8900 3530×2280×2360 
JN355-62/13-II  1.3 62
JN75-21/4.5-II  0.45 21.2 75 DN80  72 3300 2920×1840×2020  3350 3160×1840×2020 
JN90-26/4.5-II  0.45 25.8 90 DN80  72 3740 2920×1840×2020  3800 3160×1840×2020 
JN110-32/4.5-II  0.45 32.4 110 DN100  73 5100 3360×2010×2100  5150 3560×2010×2100 
JN132-39/4.5-II  0.45 39.2 132 DN100  73 5200 3360×2010×2100  5250 3560×2010×2100 
JN160-45/4.5-II  0.45 44.8 160 DN100  75 5900 3660×2060×2170  5950 3660×2060×2170 
JN185-49/4.5-II  0.45 48.6 185 DN100  76 6100 3660×2060×2170  6000 3660×2060×2170 
JN200-54/4.5-II  0.45 54.4 200 DN125  76 8000 3960×2260×2350  660 3960×2260×2350 
JN220-61/4.5-II  0.45 60.7 220 DN150  78 9000 4260×2350×2350  9000 4260×2410×2350 
JN250-69/4.5-II  0.45 68.7 250 DN150  78 9260 4260×2350×2350  9250 4260×2410×2350 
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