Circle Valve Technologies Inc.
1533 Gehman Road
Harleysville, PA 19438

Toll Free:800-645-6733
Phone: 267-933-6300
Fax: 267-933-6305
Email: [email protected]
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Female NPT both ends

Hex Coupling GCG
Unit of Measure
1 

Item #

Body Material

Connection Size

Connection Type 1

Connection Size 2

Connection Type 2

Hex (H)

Length (L)

GCG-2N-S N/A Stainless Steel N/A 1/8 in N/A Female NPT N/A 1/8 in N/A Female NPT N/A 9/16 in14.2 mm N/A 0.81 in20.57 mm
GCG-4N-S N/A Stainless Steel N/A 1/4 in N/A Female NPT N/A 1/4 in N/A Female NPT N/A 3/4 in19.05 mm N/A 1.19 in30.22 mm
GCG-6N-S N/A Stainless Steel N/A 3/8 in N/A Female NPT N/A 3/8 in N/A Female NPT N/A 7/8 in22.2 mm N/A 1.31 in33.27 mm
GCG-8N-S N/A Stainless Steel N/A 1/2 in N/A Female NPT N/A 1/2 in N/A Female NPT N/A 1 1/16 in26.9 mm N/A 1.56 in39.62 mm
GCG-12N-S N/A Stainless Steel N/A 3/4 in N/A Female NPT N/A 3/4 in N/A Female NPT N/A 1 5/16 in33.3 mm N/A 1.62 in41.14 mm
GCG-16N-S N/A Stainless Steel N/A 1 in N/A Female NPT N/A 1 in N/A Female NPT N/A 1 5/8 in41.2 mm N/A 2 in50.8 mm
GCG-2N-10K-S N/A Stainless Steel N/A 1/8 in N/A Female NPT N/A 1/8 in N/A Female NPT N/A 13/16 in20.64 mm N/A 0.81 in20.57 mm
GCG-4N-10K-S N/A Stainless Steel N/A 1/4 in N/A Female NPT N/A 1/4 in N/A Female NPT N/A 1.00 in25.4 mm N/A 1.19 in30.22 mm
GCG-2N-B N/A Brass N/A 1/8 in N/A Female NPT N/A 1/8 in N/A Female NPT N/A 9/16 in14.2 mm N/A 0.81 in20.57 mm
GCG-4N-B N/A Brass N/A 1/4 in N/A Female NPT N/A 1/4 in N/A Female NPT N/A 3/4 in19.05 mm N/A 1.19 in30.22 mm
GCG-6N-B N/A Brass N/A 3/8 in N/A Female NPT N/A 3/8 in N/A Female NPT N/A 7/8 in22.2 mm N/A 1.31 in33.27 mm
GCG-8N-B N/A Brass N/A 1/2 in N/A Female NPT N/A 1/2 in N/A Female NPT N/A 1 1/16 in26.9 mm N/A 1.56 in39.62 mm
GCG-12N-B N/A Brass N/A 3/4 in N/A Female NPT N/A 3/4 in N/A Female NPT N/A 1 5/16 in33.3 mm N/A 1.62 in41.14 mm
GCG-16N-B N/A Brass N/A 1 in N/A Female NPT N/A 1 in N/A Female NPT N/A 1 5/8 in41.2 mm N/A 2 in50.8 mm
GCG-2N-C N/A Carbon Steel N/A 1/8 in N/A Female NPT N/A 1/8 in N/A Female NPT N/A 9/16 in14.2 mm N/A 0.81 in20.57 mm
GCG-4N-C N/A Carbon Steel N/A 1/4 in N/A Female NPT N/A 1/4 in N/A Female NPT N/A 3/4 in19.05 mm N/A 1.19 in30.22 mm
GCG-6N-C N/A Carbon Steel N/A 3/8 in N/A Female NPT N/A 3/8 in N/A Female NPT N/A 7/8 in22.2 mm N/A 1.31 in33.27 mm
GCG-8N-C N/A Carbon Steel N/A 1/2 in N/A Female NPT N/A 1/2 in N/A Female NPT N/A 1 1/16 in26.9 mm N/A 1.56 in39.62 mm
GCG-12N-C N/A Carbon Steel N/A 3/4 in N/A Female NPT N/A 3/4 in N/A Female NPT N/A 1 5/16 in33.3 mm N/A 1.62 in41.14 mm
GCG-16N-C N/A Carbon Steel N/A 1 in N/A Female NPT N/A 1 in N/A Female NPT N/A 1 5/8 in41.2 mm N/A 2 in50.8 mm
Unit of Measure
1