PRV-2502-ISO 
ISO63 Right Angle Vacuum Valve 
Pneumatic Bellows Sealed SS Angle Valve 
Air Open and Close 
• High Vacuum Valve 
• Viton Seals (Fluorocarbon, FKM) 
• HV Elastomer Sealed Poppet Valves 
• Bellows Sealed SS Angle Valve 
• A: 3.26" 
• B: 10.70" 
• C: 3.92" 
• Leak rate across seat: 1x10-9 mbar L/s 
• Pressure Minimum: 1x10-9 Torr 
• Pressure Maximum: Atmospheric pressure 
 Actuator Thread Type and Size: 
• 1/8" Metric Pipe Thread (G1/8) 
 ISO63 (ISO-K) Series 
• High Vacuum Flange OD: Ø3.74" 
• Tube OD: 2.50" 
• ISO-K Claw Clamp Style 
 ISO63 High Vacuum Flange Equivalents:  
ISO-63, LF63, NW63, NW-63, Large Flange, 
 
ISO-LF, ISO-K, ISO-MF 
  PRV-2502-ISO compare to: 3108004 PAV250-LF-E-AS  SA0250PVIK  ESVP-2502-ISO ESVPA-S06200 152-0063P  311078 LAV-250-PAA 152-0063P PRV-ISO63-VE PRV-2502-ISO-VE