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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.

Female NPT to reduced female NPT
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Item #

Material

P - Pipe Size

P1 - Reduced 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 31.2 mm N/A 8.9 mm N/A 19.1 mm N/A
N/A Stainless Steel 316/316L Dual Grade N/A 3/8 N/A 1/4 N/A 34.8 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 1/8 N/A 39.4 mm N/A 8.7 mm N/A 26.9 mm N/A
N/A Stainless Steel 316/316L Dual Grade N/A 1/2 N/A 1/4 N/A 44.2 mm N/A 11.7 mm N/A 26.9 mm N/A
N/A Stainless Steel 316/316L Dual Grade N/A 1/2 N/A 3/8 N/A 45.0 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 1/4 N/A 45.7 mm N/A 11.7 mm N/A 33.3 mm N/A
N/A Stainless Steel 316/316L Dual Grade N/A 3/4 N/A 1/2 N/A 52 mm N/A 18.7 mm N/A 33.3 mm N/A
N/A Stainless Steel 316/316L Dual Grade N/A 1 N/A 1/4 N/A 50.8 mm N/A 11.7 mm N/A 41.2 mm N/A
N/A Stainless Steel 316/316L Dual Grade N/A 1 N/A 1/2 N/A 55.4 mm N/A 18.7 mm N/A 41.2 mm N/A
N/A Stainless Steel 316/316L Dual Grade N/A 1 N/A 3/4 N/A 57.0 mm N/A 23.5 mm N/A 41.2 mm N/A
N/A Carbon Steel N/A 1/4 N/A 1/8 N/A 31.2 mm N/A 8.9 mm N/A 19.1 mm N/A
N/A Carbon Steel N/A 3/8 N/A 1/4 N/A 34.8 mm N/A 11.7 mm N/A 22.2 mm N/A
N/A Carbon Steel N/A 1/2 N/A 1/8 N/A 39.4 mm N/A 8.7 mm N/A 26.9 mm N/A
N/A Carbon Steel N/A 1/2 N/A 1/4 N/A 44.2 mm N/A 11.7 mm N/A 26.9 mm N/A
N/A Carbon Steel N/A 1/2 N/A 3/8 N/A 45.0 mm N/A 15.0 mm N/A 26.9 mm N/A
N/A Carbon Steel N/A 3/4 N/A 1/4 N/A 45.7 mm N/A 11.7 mm N/A 33.3 mm N/A
N/A Carbon Steel N/A 3/4 N/A 1/2 N/A 52 mm N/A 18.7 mm N/A 33.3 mm N/A
N/A Carbon Steel N/A 1 N/A 1/4 N/A 50.8 mm N/A 11.7 mm N/A 41.2 mm N/A
N/A Carbon Steel N/A 1 N/A 1/2 N/A 55.4 mm N/A 18.7 mm N/A 41.2 mm N/A
N/A Carbon Steel N/A 1 N/A 3/4 N/A 57.0 mm N/A 23.5 mm N/A 41.2 mm N/A
N/A Brass N/A 1/4 N/A 1/8 N/A 31.2 mm N/A 8.9 mm N/A 19.1 mm N/A
N/A Brass N/A 3/8 N/A 1/4 N/A 34.8 mm N/A 11.7 mm N/A 22.2 mm N/A
N/A Brass N/A 1/2 N/A 1/8 N/A 39.4 mm N/A 8.7 mm N/A 26.9 mm N/A
N/A Brass N/A 1/2 N/A 1/4 N/A 44.2 mm N/A 11.7 mm N/A 26.9 mm N/A
N/A Brass N/A 1/2 N/A 3/8 N/A 45.0 mm N/A 15.0 mm N/A 26.9 mm N/A
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