VVMW Series

VVMW Series - Vacuum Valves

VVMW series is a normally closed solenoid valve suitable for air or inert gas in high vacuum applications. This valve functions properly at an operating pressure as low as 1x10^-6 Pa(absolute). The NPT and Face Seal fitting options offer extremely low levels of internal and external leakage. They are offered in 24 VDC paired with a DIN connector.

Specifications

• Action: Normally Closed
• Fluid: Air, Inert Gas
• Orifice Diameter [mmø]:
  • VVMW-2: 2mm
  • VVMW-3: 3mm
  • VVMW-4: 4mm
• Withstand Pressure MPa(G): 1.5
• Minimum Operating Pressure Pa(abs)/OUT side: 1 x 10^-6
• Maximum Operating Pressure MPa(G)/IN side: 1.0
• Maximum Operating Pressure Differential MPa: 0.8
• Reverse Pressure Potential MPa(G): 0.5
• Leakage Pa•m3/s:
  • Internal: 1.3 x 10^-9
  • External: 1.3 x 10^-11
• Connection Size:
  • VVMW-2: 1/8 Female NPT / Face Seal
  • VVMW-3: 1/4 Female NPT / Face Seal
  • VVMW-4: 3/8 Female NPT / Face Seal
• Ambient & Fluid Temperature °C: 5 to 60
• Rated Voltage: 24 VDC Din Connection
• Power Consumption W DC: 4.5
• Coil Temperature Rise °C:
  • DC: 50
• Allowable Voltage Fluctuation: ± 10% or less of the rated voltage
• Allowable Leakage Voltage:
  • DC: 2% or less of the rated voltage
• Coil Insulation Type: Class B