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Positive Roots Air Blower

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B-Tohin Machine (Jiangsu) Co., Ltd.

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Positive Roots Air Blower

Brand Name : BK

Model Number : BK150

Certification : ISO9001/ISO14001/CE

Place of Origin : China

MOQ : 1 set

Price : Negotiation

Payment Terms : L/C, T/T

Supply Ability : 50 SETS per month

Delivery Time : 5 to 20 working days, depends on order amount and specification

Packaging Details : Export standard wooden case

Air capacity : 18.28-31.73m3/min

Discharge differential pressure : 10-80KPA

Motor power : 15-55KW

Discharge bore : DN150

Cooling type : air

Connection type : Belt and pulley

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Vertical type Positive Roots Air Blower , food conveying , belt driven blower

Lobe Roots Air Blower DN50 air cooling, vertical type roots blower

About BK-3

Roots blower is displacement type air compressor. Two parallel shafts have three lobes each, all the lobes keep small clearance with each other and housing inside. Every lobes rotation, a certain air will be absorbed at inlet and transferred from the housing inside surface to blower's discharge port.

Two shafts are turned by the timing gears, without touching with lobes, so it can be turned at high speed without any lubrication inside.

Specifications

Model	BK150
Air capacity	18.28-35.33m3/min
Discharge differential pressure	10-80KPA
Rotary speed	1330-2080rpm
Motor power	15KW-55KW
Motor voltage	380/400/415/440V
Motor phases	3
Motor frequency	50/60HZ
Motor efficiency	IE3
Insulation class of motor	F, temperature rise B
Protection class of motor	IP55
Motor brand	Standard: Siemens Beide or Wannan motor Siemens and ABB motor for your option
Installation type	Vertical type
N.W. of blower without motor	530kg
Packing size Approx.	1.71.21.55m (lengthwidthheight)

Feature

NSK bearing of long service life, high precision and lower friction factor equipped
SKF oil seals used for good sealing performance
80KPA boost high pressure do not requires water cooling
Compact structure convenient for installation
Three-lobe rotor curves improved blower's efficiency

Parameter

Model	Rotary Speed (RPM)	Inlet capacity (m3/min)and shaft power (kW) under various pressure
		0.01Mpa		0.02Mpa		0.03Mpa		0.04Mpa
		m3/min	KW	m3/min	KW	m3/min	KW	m3/min	KW
BK150	1330	21.88	10.64	21.07	13.30	20.44	15.96	19.91	18.62
	1420	23.50	11.36	22.68	14.20	22.05	17.04	21.52	19.88
	1580	26.37	12.64	25.55	15.80	24.92	18.96	24.39	22.12
	1670	27.98	13.36	27.16	16.70	26.54	20.04	26.01	23.38
	1870	31.57	14.96	30.75	18.70	30.12	22.44	29.60	26.18
	1980	33.54	15.84	32.72	19.80	32.10	23.76	31.57	27.72
	2080	35.33	16.64	34.52	20.80	33.89	24.96	33.36	29.12

Model	Rotary Speed (RPM)	Inlet capacity (m3/min)and shaft power (kW) under various pressure
		0.05Mpa		0.06Mpa		0.07Mpa		0.08Mpa
		m3/min	KW	m3/min	KW	m3/min	KW	m3/min	KW
BK150	1330	19.44	21.28	19.02	23.94	18.64	26.60	18.28	29.26
	1420	21.06	22.72	20.64	25.56	20.25	28.40	19.89	31.24
	1580	23.93	25.28	23.51	28.44	23.12	31.60	22.76	34.76
	1670	25.54	26.72	25.12	30.06	24.74	33.40	24.37	36.74
	1870	29.13	29.92	28.71	33.66	28.32	37.40	27.96	41.14
	1980	31.10	31.68	30.68	35.64	30.30	39.60	29.94	43.56
	2080	32.90	33.28	32.48	37.44	32.09	41.60	31.73	45.76

Assembling drawing of blower package
Positive Roots Air Blower

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roots style blower

water treatment blower

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