Designed with a precision external thread for fine control

·         This valve can be used as a bleed up to 1/2 turn

·         Full open position is at 1-1/2 turns

·         All plugs are totally interchangeable with other HI-VAC® counterparts

·         Supplied with FKM o-rings

·         For greater solvent resistance, see FFKM listing under o-rings ,758240

·         Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements