Delivery Time:5 to 20 working days, depends on order amount and specification
Certification:ISO9001/ISO14001/CE/GOST

 
 
DN250 Roots Blower Vacuum Pump,  suction pressure -40KPA, food convey blower
 
 
About BK vacuum pump
 
BK vacuum pump can reach the maximum vacuum pressure of -40KPA. It is widely applied in vacuum application in food conveying, metallurgy, chemical industry,electronic coating and other industries. It is composed of blower main body, inlet silencer, out silencer, vacuum pressure gauge, vacuum relief valve and other necessary accessories.
 
Specifications

Model	BK9020
Inlet dimension	DN250
Outlet dimension	DN250
Air capacity	29.48-81.37m3/min
Discharge differential pressure	-10   ~   -40KPA
Rotary speed	700-1500rpm
Motor type	15KW-75KW 380/400/415/440V, 3PHASES, 50/60HZ
Motor brand	Standard: Siemens Beide or Wannan motor Siemens and ABB motor for your option
Motor efficiency grade	IE3
Moror insulation class	F, temperature rising B
Motor protection class	IP55
Installation type	Standard: horizontal type. Vertical type available for your option
N.W. of blower without motor	1150kg
Packing size Approx.	2.62*1.78*2.45m (length*width*height)

 
 
Parameter sheet
 
 

Model	Port Dia (MM)	Speed	Inlet capacity (m3/min)and shaft power (KW)
-0.1kgf/cm2	-0.2kgf/cm2	-0.3kgf/cm2	-0.4kgf/cm2
-1000mmH2O	-2000mmH2O	-3000mmH2O	-4000mmH2O
-0.01Mpa	-0.02Mpa	-0.03Mpa	-0.04Mpa
rpm	m3/min	KW	m3/min	KW	m3/min	KW	m3/min	KW
BK9020	250(10\")	700	35.04	12.11	32.72	18.99	30.93	25.36	29.48	29.05
850	43.73	14.71	41.41	23.06	39.61	30.80	38.17	35.28
1000	52.41	17.30	50.10	27.12	48.30	36.23	46.85	41.50
1150	61.10	19.90	58.78	31.19	56.99	41.67	55.54	47.73
1250	66.89	21.63	64.58	33.90	62.78	45.29	61.33	51.88
1400	75.58	24.22	73.26	37.97	71.47	50.73	70.02	58.10
1500	81.37	25.95	79.05	40.69	77.26	54.35	75.81	62.25

 
 
 
Assembling drawing of blower package
 

 
Standard supply of scope
 
1. blower main body
2. vacuum safety valve
3. inlet silencer
4. outlet silencer
5. public base (with belt cover)
6. rubber flexible joint and shock pad
7. blower pulley
8. pressure gauge
9. belt
10. bolts and nuts and other connection parts
11. motor