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Leybold RUVAC WS / WSU 251 - NEW

Name: Leybold RUVAC WS / WSU 251 - NEW
Brand: Leybold
SKU: NEW_WS-WSU251

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SKU

NEW_WS-WSU251

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Weight	196 lbs
Motor Power	1.5 hp
Pumping Speed	253 m³/h
Ultimate Pressure	< 6 x 10^-4 torr

Dimensions

Description

Leybold RUVAC WS / WSU 251 Roots Vacuum Blower - NEW

Connection flange: DN 63 PN6
Max. permissible pressure difference: 80 mbar
Nom. pumping speed (50 Hz): 253 m³ · h^-1
Rotational speed (50/60 Hz): 3,000 / 3,600 min^-1

Questions? Please call our toll free number at 866-332-0500 or send an email to our sales team!

Specification

Inlet connection	DN 63 ISO-K
Outlet connection	DN 63 ISO-K
Nom. Pumping speed at 50 Hz	253 m³/h / 149 cfm
Nom. Pumping speed at 60 Hz	304 m³/h / 179 cfm
Ultimate partial pressure	< 2.0 x 10^-5 / < 1.5 x 10^-5 Torr
Ultimate total pressure	< 8.0 x 10^-4 mbar / < 6.0 x 10^-4 Torr
Cut in pressure at 50 Hz	90.0 mbar / 67.5 Torr
Cut in pressure at 60 Hz	60.0 mbar / 45.0 Torr
Max. permissible pressure differnce	80.0 mbar / 60.0 Torr
Leak rate	≤ 5.0 x 10^-4 mbar l/s
Operating fluid	Leybonol LVO 100
Noise level to DIN 45 635	3-ph, 220-240/380-400 V, 50 Hz 3-ph, 200-240/380-480 V, 60 Hz
Motor rating	1,1 kW / 1,5 hp
Nominal rotation speed at 50 Hz	3,000 min^-1 / 3,000 rpm
Nominal rotation speed at 60 Hz	3,600 min^-1 / 3,600 rpm
Max. permissable rotation speed	3,600 min^-1 / 3,600 rpm
Motor protection rating	IP 55
Admissible ambient temperature	+12 to +40°C / +54 to +104°F
Weight	89 kg / 196 lbs

Specifications

Digital Manuals

Type	Label	Description	Download
	Leybold RUVAC WS / WSU Series - REBUILT	Instruction Manual	Download
	Leybold RUVAC Series - NEW	Instruction Manual	Download

RFQ/Configuration

Need modifications to this item? PTB Sales' expert team of engineers can configure products to your specific needs.

Leybold RUVAC WS / WSU 251 Roots Vacuum Blower - NEW

WS 251 Part no. 11722 / 117 22
Pumping speed: 253 m³/h
Ultimate pressure: < 4 x 10^-2 mbar
Three-phase motor: 220-230/400V, 50Hz / 200-265/460V, 60Hz
Operating fluid: LEYBONOL LVO 100

WS 251 Part no. 11727 / 117 27
Pumping speed: 253 m³/h
Ultimate pressure: < 4 x 10^-2 mbar
3-phase motor: 220-230/400V, 50Hz / 200-265/460V, 60Hz
Operating fluid: LEYBONOL LVO 400

WSU 251 Part no. 11723 / 117 23
Pumping speed: 253 m³/h
Ultimate pressure: < 4 x 10^-2 mbar
3-phase motor: 200-230/400V, 50Hz / 200-265/460V, 60Hz
Operating fluid: LEYBONOL LVO 100

WSU 251 Part no. 11728 / 117 28
Pumping speed: 253 m³/h
Ultimate pressure: < 4 x 10^-2 mbar
3-phase motor: 200-230/400V, 50Hz / 200-265/460V, 60Hz
Operating fluid: LEYBONOL LVO 400