SCREWLINE SP 250 screw vacuum pumps

The Screwline SP 250 screw vacuum pump was developed by Leybold for the special requirements of industrial applications. Reliable operation, compact design and low-maintenance vacuum solution.

Nhà sản xuất: Leybold

Liên hệ

TECHNICAL SPECIFICATIONS

specification	Unit	50Hz	60Hz
Effective pumping speed	m³/h	270	330
Final pressure, total	mbar	≤ 0.01	≤ 0.005
Permitted max. suction pressure	mbar	1030
Max. outlet back pressure relative to ambient pressure	mbar	200 / -50
Permissible ambient temperature	°C	10 to 40
Water vapor tolerance with gas ballast	mbar	60	75
Water vapor capacity with gas ballast	kg h^-1	10	18
location		up to 3000 m (above sea level)
cooling		Air
Rated current at operating voltage		32.0 A / 200 V (cos phi 0.88) 16.0 A / 400 V (cos phi 0.88)	31.5 A / 210 V (cos phi 0.88) 15.5 A / 460 V (cos phi 0.88)
rated capacity	kW	7,3	9,2
Power consumption at ultimate pressure	kW	5.9 @ 3ph 200V / 400V	7.2 @ 3ph 200V / 400V
energy efficiency class		IE 2
engine speed	at least^-1	2910	3490
Degree of protection	IP	55
thermal protection class		f
Lubricant filling (LVO 210)	l	7
Suction flange, standard clamp flange screw flange screw flange		ISO 1609-1986 (E)-63 (DN 63 ISO-K) ASME B 16.5 NPS 3 class 150 EN 1092-2-PN 6 - DN 65
Outlet flange, optional clamp flange screw flange screw flange screw flange		ISO 1609-1986 (E)-63 (DN 63 ISO-K) ASME B 16.5 NPS 3 class 150 EN 1092-2-PN 16 - DN 65 EN 1092-2-PN 6 - DN 65
Materials (components in contact with gas)		aluminum, aluminum anodized, Carbon steel, CrNi steel, gray cast iron, FPM
weight, approx	kg	450
sound pressure level	dB(A)	≤ 68	≤ 72