Fittings-Couplers-Valves

Stainless Steel, Brass, Acetel & Polysulfone:

 Fittings - Adapters - Plugs - Caps - Nuts - Gaskets - Crosses - Tees
Reducers - Expanders - Elbows - Swivels - Couplings - Unions - Valves - Etc. 

How to determine Pipe Thread Size

Pipe thread sizes do not refer to any physical dimensions. The outside diameter of each pipe fitting
must be measured and compared to the table for size identification.
For example: a 1/4" NPT has an outside dimension of 0.54".
This is especially important when looking for Regulator fittings.

NPT SIZE
THREAD DIAMETER
THREAD DIAMETER (O.D. of MPT or I.D.
of FPT)
1/8" NPT 0.405
1/4" NPT 0.54
3/8" NPT 0.675
1/2" NPT 0.84
3/4" NPT 1.05
1" NPT 1 1.315
1-1/4" NPT 1.66
1-1/2" NPT 1.9
2" NPT 2.375
2-1/2" NPT 2.875
3" NPT 3.5
4" NPT 4.5

 ABOUT THREAD TYPES:
Pipe thread, Flare thread, Machine thread, etc ARE NOT COMPATIBLE. They will not screw onto/into each other.
Make sure the parts you choose are compatible, if needed.



WE WILL BE CLOSED FOR SHIPPING FROM NOVEMBER 21st to the 27th FOR THANKSGIVING.
This will give our employees time to travel to family get-togethers.
All orders that must ship from the California location will ship on or after the 27th.
HAVE A THANKFUL THANKSGIVING, PRAY FOR YOUR FRIENDS, FAMILY & OUR RENEWING NATION!
GO WITH GOD !

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