STANDARD WATT DENSITY NPT THREAD 1" NPT 1 ELEMENT1 1/4" NPT 2 ELEMENTS1 1/4" NPT 3 ELEMENTS1 1/2" NPT 2 ELEMENTS2" NPT 2 ELEMENTS2" NPT 3 ELEMENTS2 1/2" NPT 3 ELEMENTS3" NPT 6 ELEMENTS 1" NPT 1 ELEMENT 2D DRAWING1 1/4" NPT 2 ELEMENTS 2D DRAWING1 1/4" NPT 3 ELEMENTS 2D DRAWING1 1/2" NPT 2 ELEMENTS 2D DRAWING2" NPT 2 ELEMENTS 2D DRAWING2" NPT 3 ELEMENTS 2D DRAWING2 1/2" NPT 3 ELEMENTS 2D DRAWING3" NPT 6 ELEMENTS 2D DRAWING LOW WATT DENSITY NPT THREAD 1" NPT 1 ELEMENT1 1/4" NPT 2 ELEMENTS1 1/4" NPT 3 ELEMENTS1 1/2" NPT 2 ELEMENTS2" NPT 2 ELEMENTS2" NPT 3 ELEMENTS2 1/2" NPT 3 ELEMENTS3" NPT 6 ELEMENTS 1" NPT 1 ELEMENT 2D DRAWING1 1/4" NPT 2 ELEMENTS 2D DRAWING1 1/4" NPT 3 ELEMENTS 2D DRAWING1 1/2" NPT 2 ELEMENTS 2D DRAWING2" NPT 2 ELEMENTS 2D DRAWING2" NPT 3 ELEMENTS 2D DRAWING2 1/2" NPT 3 ELEMENTS 2D DRAWING3" NPT 6 ELEMENTS 2D DRAWING