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Green Instrument thread Fittings have been developed based on ASME B31.3 for instrumentation and process control in sizes 1/8" to 2". Green Thread and weld fittings have a wrench flat allowing standard Hex wrench assembly. This is one of the Green Pipe fitting benefits.

Male NPT to reduced female NPT
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Item #

Material

P - Male Pipe Size

P1 - Female Pipe Size

L

E

H - Hex

CAD

N/A Stainless Steel 316/316L Dual Grade N/A 1/4 N/A 1/8 N/A 26.7 mm N/A 7.1 mm N/A 14.2 mm N/A
N/A Stainless Steel 316/316L Dual Grade N/A 3/8 N/A 1/8 N/A 21.8 mm N/A 8.5 mm N/A 17.4 mm N/A
N/A Stainless Steel 316/316L Dual Grade N/A 3/8 N/A 1/4 N/A 30.0 mm N/A 9.6 mm N/A 19.1 mm N/A
N/A Stainless Steel 316/316L Dual Grade N/A 1/2 N/A 1/8 N/A 27.4 mm N/A 8.5 mm N/A 22.2 mm N/A
N/A Stainless Steel 316/316L Dual Grade N/A 1/2 N/A 1/4 N/A 27.4 mm N/A 11.7 mm N/A 22.2 mm N/A
N/A Stainless Steel 316/316L Dual Grade N/A 1/2 N/A 3/8 N/A 35.6 mm N/A 11.9 mm N/A 22.2 mm N/A
N/A Stainless Steel 316/316L Dual Grade N/A 3/4 N/A 1/4 N/A 27.4 mm N/A 11.4 mm N/A 26.9 mm N/A
N/A Stainless Steel 316/316L Dual Grade N/A 3/4 N/A 3/8 N/A 27.4 mm N/A 15.0 mm N/A 26.9 mm N/A
N/A Stainless Steel 316/316L Dual Grade N/A 3/4 N/A 1/2 N/A 41.4 mm N/A 15.7 mm N/A 26.9 mm N/A
N/A Stainless Steel 316/316L Dual Grade N/A 1 N/A 1/4 N/A 34.8 mm N/A 11.4 mm N/A 34.9 mm N/A
N/A Stainless Steel 316/316L Dual Grade N/A 1 N/A 1/2 N/A 34.8 mm N/A 18.5 mm N/A 34.9 mm N/A
N/A Stainless Steel 316/316L Dual Grade N/A 1 N/A 3/4 N/A 34.8 mm N/A 22.4 mm N/A 34.9 mm N/A
N/A Carbon Steel N/A 1/4 N/A 1/8 N/A 26.7 mm N/A 7.1 mm N/A 14.2 mm N/A
N/A Carbon Steel N/A 3/8 N/A 1/8 N/A 21.8 mm N/A 8.5 mm N/A 17.4 mm N/A
N/A Carbon Steel N/A 3/8 N/A 1/4 N/A 30.0 mm N/A 9.6 mm N/A 19.1 mm N/A
N/A Carbon Steel N/A 1/2 N/A 1/8 N/A 27.4 mm N/A 8.5 mm N/A 22.2 mm N/A
N/A Carbon Steel N/A 1/2 N/A 1/4 N/A 27.4 mm N/A 11.7 mm N/A 22.2 mm N/A
N/A Carbon Steel N/A 1/2 N/A 3/8 N/A 35.6 mm N/A 11.9 mm N/A 22.2 mm N/A
N/A Carbon Steel N/A 3/4 N/A 1/4 N/A 27.4 mm N/A 11.4 mm N/A 26.9 mm N/A
N/A Carbon Steel N/A 3/4 N/A 3/8 N/A 27.4 mm N/A 15.0 mm N/A 26.9 mm N/A
N/A Carbon Steel N/A 3/4 N/A 1/2 N/A 41.4 mm N/A 15.7 mm N/A 26.9 mm N/A
N/A Carbon Steel N/A 1 N/A 1/4 N/A 34.8 mm N/A 11.4 mm N/A 34.9 mm N/A
N/A Carbon Steel N/A 1 N/A 1/2 N/A 34.8 mm N/A 18.5 mm N/A 34.9 mm N/A
N/A Carbon Steel N/A 1 N/A 3/4 N/A 34.8 mm N/A 22.4 mm N/A 34.9 mm N/A
N/A Brass N/A 1/4 N/A 1/8 N/A 26.7 mm N/A 7.1 mm N/A 14.2 mm N/A
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