Valve Hi Vac Ptfe Sz 4 ( 1 In Case)

Details:

This high-vacuum valve is for use in vacuum applications up to 5 x 10-7 torr. Similar to 826510 but without tip o-ring exposure, designed with a precision external thread for fine control, can be used as a bleed up to 1/2 turn, full open position is at 1-1/2 turns, primary seal is made with a fkm o-ring on a tapered seat, non-rotating ptfe shaft can be used continuously at system temperatures of 230 °c or intermittently at 275 °c