NO.	Description	ZBW140E	ZBW160E	ZBW250E
1	Capacity	140	160	250
2	Rated pressure	60	50	50
3	Rated vacuum	-60	-50	-50
4	Supp lement vacuum	/	/	/
5	Motor power	4.5	5.5	7.5
6	Motor speed	1440	1440	960
7	Noise level	78	78	84
8	Inlet port thread	1 1/2''	1 1/2''	2 1/2''
9	Plumbaginous slice	Germany EK60	Germany EK60	Germany EK60
10	Bearing	NSK	NSK	NSK
11	Weight	160	160	370
12	LxWxH	884X460X336	884X460X336	1344X612X548