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 to reduced female NPT

Hex Reducing Coupling GCGR
Unit of Measure
1 2 

Item #

Body Material

Connection Size 1

Connection Type 1

Connection Size 2

Connection Type 2

Hex (H)

Length (L)

Dim. P1

GCGR-12-4N-C N/A Carbon Steel N/A 3/4 in N/A Female NPT N/A 1/4 in N/A Female NPT N/A 1 5/16 in33.3 mm N/A 1.80 in45.7 mm N/A 1/4 in
GCGR-12-8N-C N/A Carbon Steel N/A 3/4 in N/A Female NPT N/A 1/2 in N/A Female NPT N/A 1 5/16 in33.3 mm N/A 2.05 in52 mm N/A 1/2 in
GCGR-16-4N-C N/A Carbon Steel N/A 1 in N/A Female NPT N/A 1/4 in N/A Female NPT N/A 1 5/8 in41.2 mm N/A 2 in50.8 mm N/A 1/4 in
GCGR-16-8N-C N/A Carbon Steel N/A 1 in N/A Female NPT N/A 1/2 in N/A Female NPT N/A 1 5/8 in41.2 mm N/A 2.18 in55.4 mm N/A 1/2 in
GCGR-16-12N-C N/A Carbon Steel N/A 1 in N/A Female NPT N/A 3/4 in N/A Female NPT N/A 1 5/8 in41.2 mm N/A 2.24 in57 mm N/A 3/4 in
Unit of Measure
1 2