npt pipe thread sizes - conaxtechnologies.com
Post on 05-Feb-2022
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NPT PIPE THREAD SIZES
2300 Walden Avenue • Buffalo, New York 14225
NOTES:- Supplied pipe threaddimensions are reference only.
- Normal thread engagementshown in ( ).
1-1/4" NPT1.660" 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" NPT1.05" OD
1" NPT1.315" OD
SEALANT TYPE VACUUM RATINGNeoprene .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 GUIDEfor all Conax Technologies Glands:
Tel: 1.716.684.4500 • USA Toll Free: 1.800.223.2389 • Email: info@ConaxTechnologies.com • Website: www.ConaxTechnologies.com
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