VALVE HI VAC PTFE SZ 4 ( 1 in case)

Details

This straight high-vacuum valve is for use in vacuum applications up to 5 x 10-7 Torr. Similar to 826500 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