NPT PIPE THREAD SIZES 2300 Walden Avenue • Buffalo, New York 14225 NOTES: - Supplied pipe thread dimensions are reference only. - Normal thread engagement shown in ( ). 1-1/4" NPT 1.660" OD 1.01 (.71) 1/16" NPT .312" OD 1/8" NPT .405" OD .39 (.24) 1/4" NPT .540" OD .39 (.26) .59 (.40) .75 (.50) .79 (.54) .98 (.68) 1/2" NPT .840" OD 3/4" NPT 1.05" OD 1" NPT 1.315" OD SEALANT TYPE VACUUM RATING Neoprene .005 microns (5x10-6 TORR) Teflo .005 microns (5x10-6 TORR) Lava not normally recommended, consult factory Viton .005 microns (5x10-6 TORR) Grafoil .005 microns (5x10-6 TORR) VACCUUM RATING GUIDE for all Conax Technologies Glands: Tel: 1.716.684.4500 • USA Toll Free: 1.800.223.2389 • Email: info@ConaxTechnologies.com • Website: www.ConaxTechnologies.com