Dk-Lok USA
Dk-Lok USA
161 West I-65 Service Road
Mobile, AL 36608
Phone: (251) 472-9580
Fax: (251) 450-0962 or (800) 287-8186
[email protected]
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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
GPB Series Hollow Hex Plugs
GPB Series Hollow Hex Plugs-2
Unit of Measure
Items GPB Series Hollow Hex Plugs
GPB-2N-S
GPB Series Hollow Hex Plugs 		GPB Series Hollow Hex Plugs
GPB-4N-S
GPB Series Hollow Hex Plugs 		GPB Series Hollow Hex Plugs
GPB-6N-S
GPB Series Hollow Hex Plugs 		GPB Series Hollow Hex Plugs
GPB-8N-S
GPB Series Hollow Hex Plugs 		GPB Series Hollow Hex Plugs
GPB-2N-C
GPB Series Hollow Hex Plugs
Material N/A Stainless Steel 316/316L Dual Grade N/A Stainless Steel 316/316L Dual Grade N/A Stainless Steel 316/316L Dual Grade N/A Stainless Steel 316/316L Dual Grade N/A Carbon Steel
P - Thread Type N/A NPT
P - Thread Size N/A 1/8 N/A 1/4 N/A 3/8 N/A 1/2 N/A 1/8
L N/A 10.4 mm N/A 15.5 mm N/A 15.0 mm N/A 19.3 mm N/A 10.4 mm
B N/A 7.4 mm N/A 12.4 mm N/A 11.9 mm N/A 16.2 mm N/A 7.4 mm
C N/A 9.4 mm N/A 12.1 mm N/A 15.7 mm N/A 19.3 mm N/A 9.4 mm
H - Flat N/A 4.8 mm N/A 6.4 mm N/A 7.9 mm N/A 9.5 mm N/A 4.8 mm