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Vacuum Catalogue - Edwards

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Technical DataOrdering InformationInlet flangeVG250Pumping SpeedN -12 2650 lsH 2 2050 ls-1Compression ratioN 82 >10H 2 >6 x 103Ultimate pressure10 -7 PaMax allowable backing pressure 266 PaMax allowable gas flowN 2 (water cooled)2300 sccmProduct DescriptionSTP-XA2703C VG250STP-XA2703C ISO250STP-XA2703C DN250CFAccessories & SparesSCU-1600 Control unitPower Cable 5mPower Cable 10MSTP straight connection cable, 5mSTP straight connection cable, 10mOrder No.YT660Z110PT660Z140YT6610010Order No.YT76Z0Z00B75030020PT35Y0A00B75030010B750300402Page107Ar (water cooled)(3.8 Pam 3 s -1 )1900 sccm(3.2 Pam 3 s -1 )Rated speed27500 rpmStarting time8 minMounting positionAny orientationWater cooling Flow 3 lmin -1Water cooling TemperaturePressure5-25 °C (41-77 °F)0.3 MPaRecommended purge gas flow-2 3 -1 50 sccm (8.4 x 10 Pam s )Input voltage 200 to 240 V a.c. (± 10)Power consumptionPump weightController weight1.5 kVA75 kg (165 lb)12 kg (26.4 lb)Shop online at www.edwardsvacuum.com

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