Vacuum Valves

Straight-Through Valves, Bellows-Sealed,Manually OperatedDimensional drawing for the manually operated,bellows-sealed straight-through valvesDimension TableDN ISO-KF 16 25 40 50A mm 87.6 100.0 130.0 178.0BDmmmm4016482565407750L mm 90.6 97.0 140.6 166.8QVmmmm46.04044.04073.56085.560mm 3.6 4.7 7.9 9.3Z 1)1) Aluminum version2) Stainless steel version3) Disk stroke is greater due to the transmissionConnection IconsSide of the valve seatRequired clearanceMechanical position indicatorLeak detection boreAdvantages to the UserValves with Rotary Knob- Allow also for reduced venting ofsystems- Suited as a manually operatedvariable leak valve to roughlycontrol gas flows- Leak tight in both directions up toa pressure of 2.0 etc. 1.5 bar andeasy to open- Installation in any orientationTechnical Data DN 16 ISO-KF DN 25 ISO-KF DN 40 ISO-KF DN 50 ISO-KFService lifeOrdering InformationcyclesConductance at molecular flow l x s -1Leak rate mbar x l x s -1Operating pressure rangembarDifferential pressure,closing and opening directionbarAmbient / operating temperature,max. °CSealWeightkgStraight-Through Valve, rotary knobBAV ... M ALBAV ... M SSSpare partsBellows feedthrough‘KnobSeal kit consisting ofdisc seal (O-ring) andhead seal (O-ring)Aluminum Stainl. Steel Aluminum Stainl. Steel Aluminum Stainl. Steel Aluminum20,000 20,000 20,000 20,000 20,000 20,000 20,0005 5 14 14 45 45 501 x 10 -9 1 x 10 -9 1 x· 10 -9 1 x 10 -9 1 x 10 -9 1 x 10 -9 1 x 10 -910 -8 - 5000 10 -8 - 5000 10 -8 - 5000 10 -8 - 5000 10 -8 - 5000 10 -8 - 5000 10 -8 - 50005 / 2 5 / 2 5 / 2 5 / 2 5 / 2 5 / 2 5 / 280 80 80 80 80 80 80FPM FPM FPM FPM FPM FPM FPM0.32 0.74 0.49 0.47 1.30 1.16 2.19DN 16 ISO-KF DN 25 ISO-KF DN 40 ISO-KF DN 50 ISO-KFAluminum Stainl. Steel Aluminum Stainl. Steel Aluminum Stainl. Steel AluminumPart No. Part No. Part No. Part No.215 313 – 215 388 – 215 389 – 215 390Part No. Part No. Part No.– 215 379 – 215 374 – 215 381 –Part No. Part No. Part No. Part No. Part No. Part No. Part No.242 292 242 292 233 014 233 014 229 542 229 542 244 980Part No. Part No. Part No. Part No. Part No. Part No. Part No.245 912 245 912 245 912 245 912 245 913 245 913 245 913Part No. Part No. Part No. Part No. Part No. Part No. Part No.242 324 242 324 241 077 241 077 241 079 241 079 245 556Oerlikon Leybold Vacuum Full Line Catalog13 C14