These valves use PTFE plugs for vacuum applications up to 5 x 10¯7 Torr. Designed with a precision external thread for fine control. Full open position is at 1 1/2 turns. The shaft is non-rotating and a seal is made with a Viton o-ring on a tapered seat. PTFE shaft can tolerate system temperatures of 230ºC and intermittently at 275ºC.
Unit of Measure
Specifications
Item No.
N/A7148-08
Item Description
N/AHigh Vacuum Valve, Straight, PTFE Plug, without Tip O-Ring, 0-12mm Bore Range, 16mm Stem O.D., 112 O-Ring Shaft Size