The other main features are:
1) Beautiful surface
2) Easy installation
3) Low noise level
4) No vibration, and therefore complete dynamic stability
5) Pulsation-free discharge
6) Minimal maintenance
7) Higher pressure ratio
8) Cooler running bearings
9) Longer grease life
10) Simple maintenance
11) 100% oil-free air
12) Suitable for environmental protection
13) Small dimensions

New Model	Single	Frequency	Voltage	Rated	MAX	Rated	Rated	Sound	N.W.
	Double			Power	Air Flow	Suction	Discharge
	Stage	Hz		KW	m3/h	mbar	mbar	dB(A)	Kg
LD185H43R19	single	50	345-415△/600-720Y(v)	18.5	1050	-340	460	74	140
		60	380-480△/660-720Y(v)	21.3	1250	-380	420	79