BRAND NEW Leybold dryvac 251 dryvac+blower package

Description

This Leybold dryvac 251 is brand new.
This pump package consists of a dryvac 50S dry pump backing a ruvac 251 blower (fomblin)
Specs include:
Pumping Speed:
60 Hz operation ......................... 250 m3 · h -1 (147 cfm)
50 Hz operation ......................... 210 m3 · h -1 (124 cfm)
Ultimate pressure with purge-control plate set for "ETCH":
60 Hz operation ............≤2 · 10 -3 mbar (1.5 x 10 -3 Torr)
50 Hz operation ...............≤3 · 10 -3 mbar (2 x 10 -3 Torr)
Maximum intake pressure
in continuous operation* ...................... 5 mbar (4 Torr)
Motor power ........................................... 3.9 kW (5.3 hp)
Power rating at an intake pressure
of 10 -1 mbar .......................... 2.5 kW (3.4 hp)
Rotational speed:
60 Hz operation .............................................3600 rpm
50 Hz operation .............................................3000 rpm
Noise level with the exhaust line connected .... 65 dB(A)
Cooling water requirements, approx:
At water temp. of 15 °C (59°F) ..... 70 l · hr -1 (18 gal/hr)
Maximum cooling water temp. ................. 25°C (77°F)
Cooling water pressure* .......... 2–10 bar (14–130 psig)
Cooling water connection, female threads NPT 1/2"
Inert gas pressure* ..................... 4–10 bar (43–130 psig)
Inert gas connection, female thread ................... NPT 3/8"
Inert gas flow ......................................... Refer to Table 2
Barrier gas pressure* ...............................1.5 bar (7 psig)
Purge gas pressure* ..............................3.0 bar (29 psig)
Air pressure for activating
exhaust shutoff valve ..................6–7 bar (72–87 psig)
Compressed air connection, female thread .NPT 1/4"
Lubricant quantity in roots-pump gear box .. 1.3 l (1.4 qt)
Maximum ambient temp. ...........................40°C (104°F)
Weight ..................................................... 290 kg (640 lb)
Intake port .................................................. DN 63 ISO-K
Exhaust port .................................................. DN 25 KF
A copy of the manual can be seen here:
http://www.ptbsales.com/manuals/leybold/dryvac-pck.pdf
This item will ship in a wooden crate with an estimated weight of 700 lbs. I am happy to ship world wide.