Fans ВСК

ВСК-16 ВСК-17
ВСК-17-1 ВСК-20
ВСК-20-1
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Fan ВСК is a special corrosion-resistant high-pressure unit with one-sided suction. It is made by special order for a narrow purpose. Centrifugal fans ВСК-16 and 17 are designed for suction and transportation of aggressive non-explosive gases with a minimum content of fluoride compounds. These modifications are used to complete the process plants that produce mineral fertilizers. The use of these units in other production areas is prohibited.Fans ВСК-20 have found their application in the production of technical carbohydrate.

Fans ВСК are made with the right and left direction of rotation. The impeller of the unit is equipped with 24 blades. A snail with a removable quarter can change the rotation angle by 90 degrees. Because of the high aggressiveness of the environment with which the main components of the fan come into contact, the impeller, cochlea, axial guide and nozzles are made of high-quality steel. Elements that are not exposed to the aggressiveness of the environment are made of cast iron and carbon steel.

The start-up of such units is possible at a temperature in the spiral housing within -30 … + 100 ° С. The content of solid particles in the transported medium should be less than 1 gram per cubic meter, and the concentration of phosphoric, fluoric and other similar compounds should not exceed 0.5 grams per cubic meter. Fans are operated indoors and outdoors.

Specifications of Fans ВСК

Size fan Capacity, m3/s Full pressure, Pa Maximum efficiency, not less, % Rotational speed, rpm Electric motor Weight without electro motor, kg
Size Power, kWt Rotational speed, rpm Voltage, V
ВСК‑16 132 000 10 100 72 1 500 ДОЗО4‑450Х‑4МУ1 630 1 500 6 000 7 100
ВСК‑16M 132 000 10 100 72 1 500 ДОЗО4‑450Х‑4МУ1 630 1 500 6 000 4 600
ВСК‑17 130 000 12 200 72 1 500 ДОЗО4‑450У‑4МУ1 800 1 500 6 000 7 150
ВСК‑17M 130 000 12 200 72 1 500 ДОЗО4‑450У‑4МУ1 800 1 500 6 000 4 650
ВСК‑17‑I 88 000 5 400 72 1 000 ДОЗО4‑400Х‑6У1 315 1 000 6 000 7 150
ВСК‑17‑IM 88 000 5 400 72 1 000 ДОЗО4‑400Х‑6У1 315 1 000 6 000 4 650
ВСК‑20 110 000 6 900 75 1 500 ВАО2-450LA4 315 1 500 6 000 4 420
ВАО2-560S4 500 1 500 6 000
ВСК‑20‑I 115 000 7 250 75 1 500 ВАО2-450LA4 315 1 500 6 000 4 440
ВАО2-560S4 500 1 500 6 000
ДОЗО4‑450У‑4МУ1 800 1 500 6 000

The characteristics are given in the mode of maximum efficiency for the moving medium with parameters: Bar=760 mm Hg. St. and t=70°C (t=300°C for VSK‑20 and VSK‑20‑I).


Diagram of the turns of the housings of the blower fans single inlet.

Size machine ϕ Dimension, mm
h1 L1 L2 L4 D D1 D2 d d2 A a B b
ВСК‑16 90° 1 500 1 160 1 160 1 600 1 235 1 325 19 19 2 800 905 3 190 1 190
ϕ Dimension, mm N N2
H h h2 C E T1 T2 L3 L5 L6 L7
90° 2 670 1 120 1 500 1 020 680 1 136 800 2 320 24 24
ВСК‑16М 90° 1 030 1 340 1 340 540 1 600 1 235 1 325 19 19 2 800 905 3 190 1 190
ϕ Dimension, mm N N2
H h h2 C E T1 T2 L3 L5 L6 L7
90° 2 670 1 120 700 1 020 680 1 136 800 540 428 830 1 250 24 24
ВСК‑17 90° 1 500 1 160 1 160 1 700 1 235 1 325 19 19 2 800 905 3 190 1 190
ϕ Dimension, mm N N2
H h h2 C E T1 T2 L3 L5 L6 L7
90° 2 670 1 120 1 500 1 020 680 1 136 800 2 320 24 24
ВСК‑20 90° 512 1 693 1 993 400 1 950 820 1 000 19 19 2 219 30 5,5 4 010 1 300
ϕ Dimension, mm N N2
H h h2 C E T1 T2 L3 L5 L6 L7
90° 2 930 1 200 630 1 000 375 1 116 495 400 340 920 1 050 24 18
ВСК‑17‑I 90° 1 500 1 160 1 160 1 700 1 235 1 325 19 19 2 800 905 3 190 1 190
ϕ Dimension, mm N N2
H h h2 C E T1 T2 L3 L5 L6 L7
90° 2 670 1 120 1 500 1 020 680 1 136 800 2 320 24 24
ВСК‑20‑I 90° 512 1 693 1 993 400 2 000 820 1 000 19 19 2 219 305,5 4 010 1 300
ϕ Dimension, mm N N2
H h h2 C E T1 T2 L3 L5 L6 L7
90° 2 930 1 200 630 1 000 375 1 116 495 400 340 920 1 050 24 18
ВСК‑17М 90° 1 030 1 340 1 340 540 1 700 1 235 1 325 19 19 2 800 905 3 190 1 190
ϕ Dimension, mm N N2
H h h2 C E T1 T2 L3 L5 L6 L7
90° 2 670 1 120 700 1 020 680 1 136 800 540 428 830 1 250 24 24
ВСК‑17‑IМ 90° 1 030 1 340 1 340 540 1 700 1 235 1 325 19 19 2 800 905 3 190 1 190
ϕ Dimension, mm N N2
H h h2 C E T1 T2 L3 L5 L6 L7
90° 2 670 1 120 700 1 020 680 1 136 800 540 430 830 1 250 24 24

 

Aerodynamic characteristics of Fans ВСК

ВСК-16

ВСК-17

ВСК-17-I

ВСК-20

ВСК-20-I

Acoustic characteristics of fans ВСК

Size fan Rotational speed, rpm Measuring area Values of sound power levels Lpi, dB in octave bands f, Hz LpA, dBА
125 250 500 1000 2000 4000 8000
ВСК‑16
ВСК‑16М
1 500 Discharge 131 133 136 133 125 116 111 137
Suction 126 128 131 127 122 113 108 132
Around the hull 118 121 122 121 115 111 106 125
ВСК‑17
ВСК‑17М
1 500 Discharge 133 135 138 135 127 118 113 139
Suction 128 130 133 129 124 115 110 134
Around the hull 120 123 124 123 117 113 108 127
ВСК‑17‑I
ВСК‑17‑IМ
1 000 Discharge 123 125 128 125 107 108 103 128
Suction 118 120 123 120 114 105 100 124
Around the hull 112 113 114 113 108 103 98 117
ВСК‑20 1 500 Discharge 119 120 120 117 112 108 104 122
Suction 114 115 114 112 107 103 99 117
Around the hull 107 108 107 105 102 99 97 111

NOTE: Acoustic characteristics are given for conditions: the axial guide unit is fully open, Bar=760 mm Hg. art., the temperature of the moving medium t=70°C (t=300°C – for VSK‑20).