LDS-8215B70-P-DR
NW40 Industrial Vacuum Valve Designed For Millions of Cycles
• No bellows or o-rings to wear
• High Conductance From 25 Thru 50 mm
• Ideal for Roughing and Vent Valve Applications
• Cv = 35
NW40 (KF40) Flange OD: Ø2.18"
• NW40 Centering Ring Counter Bore: 1.62"
TECHNICAL SPECIFICATIONS:
• More than 5 million operations without maintenance.
• Leak rate lower than 1x10-7 Std. cc/sec (Helium).
• Pressure working range: From atmosphere to 1x10-5 Torr
• Compressed air connection: From 75 to 100 PSI
• Closing and opening speed < 250 milli seconds
MATERIALS:
Valve body : Aluminum alloy
Inner parts: Stainless steel and aluminum alloy with Buna seat
Pneumatic actuator: Pneumatically operated valves with special face seal. Vacuum-tight against the atmosphere.