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

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Province/State:jiangsu

Country/Region:china

Contact Person:MsIris Xu

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Low Noise Three Lobe Roots Blower

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Brand Name :BK

Model Number :BK80

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 :3.43-9.58m3/min

Discharge differential pressure :10-80KPA

Motor power :4-18.5KW

Discharge bore :DN80

Cooling type :air

Connection type :Belt and pulley

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Low noise army green three Lobe Roots Blower , ozonizer , oxygen generator for aquaculture air blower

DN80 Roots Air Blower, ozonizer, oxygen generator for aqua farms blower

About BK-3

BK-3 roots blower is 3-lobe, positive and displacement blower. It is featured of simply configuration, smooth operation, stable performance, easy installing and maintenance.

Specifications

Model	BK80
Air capacity	3.43-9.58m3/min
Discharge differential pressure	10-80KPA
Rotary speed	1500-2750rpm
Motor type	4-18.5KW 380/400/415/440V/220V, 3PHASES, 50/60HZ, frequencytype
Insulation class of motor	F, temperature rise B
Protection class of motor	IP55
Efficiency grade of motor	IE3
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	188kg
Packing size Approx.	1.30.91.3m (lengthwidthheight)

Features

Two Rotors with lobe curve optimized ensures no leakage inside blower, improves blower’s efficiency.

Radius-center distance ratio is narrowed and shaft’s diameter is enlarged. There's no deformation and collision will occur under higher load pressure as the blower’s strength is improved.

Special hollow design of end-cover is used for making bearing cavity separated from gas chamber relatively, by which reduces the impact of inside high temperature gas on bearing cavity and lowers the bearing temperature.

Deep groove ball bearing of high precision and low friction factor is selected for lowering operation noise. In addition, because of larger size bearing matched for enlarged shaft diameter, the bearing’s load capacity is enhanced and its service life is extended.

A structure of 90 degree upper inlet and side outlet is adopted for convenient installation and maintenance. Different silencers are available for customers’ needs of saving floor space.

Applications

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
BK80	1500	4.84	3.33	4.48	3.97	4.21	4.60	3.98	5.24
	1700	5.60	3.78	5.24	4.50	4.97	5.22	4.74	5.44
	1900	6.35	4.22	6.00	5.03	5.73	5.83	5.50	6.63
	2075	7.02	4.61	6.66	5.49	6.39	6.37	6.17	7.24
	2200	7.49	4.89	7.14	5.82	6.87	6.75	6.64	7.48
	2425	8.34	5.39	7.99	6.42	7.72	7.44	7.49	8.47
	2600	9.01	5.78	8.66	6.88	8.38	7.98	8.16	9.08
	2750	9.58	6.11	9.23	7.28	8.96	8.44	8.73	9.60

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
BK80	1500	3.78	5.47	3.60	6.51	3.43	7.14	3.28	7.77
	1700	4.54	6.65	4.36	7.37	4.19	8.09	4.04	8.81
	1900	5.30	7.44	5.12	8.24	4.95	9.04	4.80	9.85
	2075	5.96	8.12	5.78	9.00	5.61	9.88	5.46	10.75
	2200	6.44	8.61	6.26	9.54	6.09	10.47	5.93	11.40
	2425	7.29	9.49	7.11	10.52	6.94	11.54	6.79	12.57
	2600	7.96	10.18	7.77	11.28	7.61	12.38	7.45	13.48
	2750	8.53	10.76	8.33	11.93	8.18	13.09	8.02	14.25

Assembling drawing of blower package

Product Tags:

lobe roots blower

roots lobe blower

three lobe roots blower

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