Fans BF SS

BF 13,5SS

BF 15,5SS

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Fans BF is a heavy-duty corrosion-resistant equipment of high and medium pressure. Its spiral body is a snail – it has a removable quarter and 32 curved forward blades. The flowing part of the fan in contact with an aggressive medium is made of high-strength alloys such as 10Х17Н13М2Т, 06ХН28МДТ, etc. A stainless fan is manufactured in the right and left direction of rotation.

Fan BF 15.5SS and 13.5 have found their application in the production of mineral fertilizers. They are included in the complete set of production technological lines and move aggressive non-explosive gases with a temperature below 200 ° C. The solids content in the transported medium should not exceed 1 g / m³.

Centrifugal machines ВНЖ work on the principle of unilateral suction. His snail can change the angle of rotation within 0 … 270 degrees, every 15 degrees.

The operation of stainless fans is possible in a temperate climate with the first category of accommodation. The outside temperature can fluctuate between -40 … +40 ° C. The installation location of the fan must be protected from high vibration rates.

Specifications of fans BF SS

Size fan	Capacity, m3/s	Full pressure, Pa	Maximum efficiency, not less, %	Rotational speed, rpm	Electric motor				Weight without electro motor, kg
Size fan	Capacity, m3/s	Full pressure, Pa	Maximum efficiency, not less, %	Rotational speed, rpm	Size	Power, kWt	Rotational speed, rpm	Voltage, V	Weight without electro motor, kg
BF÷13,5SS	36 000	1 765	72	600	АIR315S10	55	600	380/660	1 780
	45 000	2 815		750	А315М8	110	750	380/660
	60 000	4 905		1 000	А355SMB6	200	1 000	380/660
BF÷15,5SS	54 000	2 355	72	600	АIR355S10	90	600	380/660	2 070
	68 000	3 680		750	А355МB8	160	750	380/660
	90 000	6 520		1 000	ДАЗО4-400У-6МУ1	400	1 000	6 000

The characteristics are given in the mode of maximum efficiency for the moving medium with parameters: Bar=760 mm Hg. art. and t=30°C.

Dimensions and connection sizes of fans BF SS

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

Size machine	ϕ	Dimension, mm
Size machine	ϕ	h1	L1	L2	L4	D	D1	D2	d	d2	A	a	B	b
BF÷13,5SS	0°÷30°	1 350	650	650	620	1 350	975	1 020	14	14	2 218	672	2 280	863
	45°÷105°	1 200	650	650	620
	135°÷240°	1 150	650	650	620
	270°	1 150	1 591	650	620
	ϕ	Dimension, mm											N	N2
	ϕ	H	h	h2	C	E	T1	T2	L3	L5	L6	L7	N	N2
	0°÷270°	1 930	790	555	688	508	790	600	620	275	700	620	16	24
BF÷15,5SS	0°÷30°	1 600	650	650	700	1 550	1 100	1 175	14	14	2 306	747	2 614	980
	45°÷105°	1 500	650	650	700
	135°÷240°	1 300	650	650	700
	270°	1 300	1 800	800	700
	ϕ	Dimension, mm											N	N2
	ϕ	H	h	h2	C	E	T1	T2	L3	L5	L6	L7	N	N2
	0°÷270°	2 230	900	555	800	590	882	664	700	270	700	620	16	24

Aerodynamic characteristics of fans BF SS

BF-13,5SS

BF-15,5SS

Acoustic characteristics of fans BF SS

Size fan	Rotational speed, rpm	Measuring area	Values of sound power levels Lpi, dB in octave bands f, Hz							LpA, dBА
Size fan	Rotational speed, rpm	Measuring area	125	250	500	1000	2000	4000	8000	LpA, dBА
BF÷13,5SS	600	Discharge	104	108	109	107	105	102	98	112
		Suction	99	103	104	102	100	97	93	107
		Around the hull	94	97	96	93	92	89	87	99
	750	Discharge	109	113	114	112	110	107	103	117
		Suction	104	108	109	107	105	102	98	112
		Around the hull	99	102	100	98	97	94	92	104
	1 000	Discharge	116	120	121	119	117	114	110	124
		Suction	111	115	116	114	112	110	105	119
		Around the hull	105	109	107	106	104	101	99	111
BF÷15,5SS			112	113	110	109	106	101	97	114
			107	109	107	105	102	98	94	109
			103	104	100	99	95	89	86	104
			114	118	119	117	115	112	108	122
			109	113	114	112	110	107	103	117
		Around the hull	99	102	103	103	103	102	99	97
	1 000	Discharge	121	125	126	124	122	119	115	129
		Suction	116	120	121	119	117	114	110	124
		Around the hull	106	109	110	110	109	106	104	115

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=30°C.