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
Item No. |
N/A 7148-04 |
Item Description |
N/A High Vacuum Valve, Straight, PTFE Plug, without Tip O-Ring, 0-4mm Bore Range, 9mm Stem O.D., 010 O-Ring Shaft Size |
Stopcock Bore Size |
N/A 04 mm |
Approximate Stem Outer Diameter |
N/A 9 mm |
Upper O-Ring |
N/A 010 |
Pkg. Qty. |
N/A 1 |
