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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 male NPT
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Item #

Material

P1 - Male Pipe Size

P - Female Pipe Size

L

E

Pressure Rating

CAD

N/A Carbon Steel N/A 1/4 N/A 1 N/A 50.8 mm N/A 7.1 mm N/A N/A
N/A Carbon Steel N/A 1/2 N/A 1 N/A 54.9 mm N/A 11.9 mm N/A N/A
N/A Carbon Steel N/A 3/4 N/A 1 N/A 55.1 mm N/A 15.7 mm N/A N/A
N/A Brass N/A 1/8 N/A 1/4 N/A 31.5 mm N/A 4.8 mm N/A N/A
N/A Brass N/A 1/8 N/A 3/8 N/A 33.5 mm N/A 4.8 mm N/A N/A
N/A Brass N/A 1/4 N/A 3/8 N/A 37.8 mm N/A 7.1 mm N/A N/A
N/A Brass N/A 1/8 N/A 1/2 N/A 40.0 mm N/A 4.8 mm N/A N/A
N/A Brass N/A 1/4 N/A 1/2 N/A 44.5 mm N/A 7.1 mm N/A N/A
N/A Brass N/A 3/8 N/A 1/2 N/A 44.5 mm N/A 9.6 mm N/A N/A
N/A Brass N/A 1/4 N/A 3/4 N/A 45.7 mm N/A 7.1 mm N/A N/A
N/A Brass N/A 3/8 N/A 3/4 N/A 45.7 mm N/A 9.6 mm N/A N/A
N/A Brass N/A 1/2 N/A 3/4 N/A 51.1 mm N/A 11.9 mm N/A N/A
N/A Brass N/A 1/4 N/A 1 N/A 50.8 mm N/A 7.1 mm N/A N/A
N/A Brass N/A 1/2 N/A 1 N/A 54.9 mm N/A 11.9 mm N/A N/A
N/A Brass N/A 3/4 N/A 1 N/A 55.1 mm N/A 15.7 mm N/A N/A
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