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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Offered in four different body materials, this group of valves can handle a wide range of general purpose liquid and gas applications. Six types of stem tips are available, including two styles of vee-points.
3900 series hoke needle valve display image
Unit of Measure
1 

Item #

Body Material

Stem Tip

Inlet

Outlet

Operating Pressure

Operating Temperature

Cv Factor

3912F8B N/A Brass N/A Regulating N/A 1/2" Female NPT N/A 1/2" Female NPT N/A 3000 psig207 bar N/A -65 to 450 ºF-54 to 232 ºC N/A 1.10
3912G8Y N/A 316 Stainless Steel N/A Regulating N/A 1/2" Gyrolok® N/A 1/2" Gyrolok® N/A 5000 psig345 bar N/A -65 to 450 ºF-54 to 232 ºC N/A 1.10
3912F8Y N/A 316 Stainless Steel N/A Regulating N/A 1/2" Female NPT N/A 1/2" Female NPT N/A 5000 psig345 bar N/A -65 to 450 ºF-54 to 232 ºC N/A 1.10
3912F8E N/A Carbon Steel N/A Regulating N/A 1/2" Female NPT N/A 1/2" Female NPT N/A 5000 psig345 bar N/A -65 to 450 ºF-54 to 232 ºC N/A 1.10
3952F8B N/A Brass N/A PCTFE N/A 1/2" Female NPT N/A 1/2" Female NPT N/A 3000 psig207 bar N/A -20 to 250 ºF-29 to 121 ºC N/A 1.10
3952G8Y N/A 316 Stainless Steel N/A PCTFE N/A 1/2" Gyrolok® N/A 1/2" Gyrolok® N/A 5000 psig345 bar N/A -20 to 250 ºF-29 to 121 ºC N/A 1.10
3952F8Y N/A 316 Stainless Steel N/A PCTFE N/A 1/2" Female NPT N/A 1/2" Female NPT N/A 5000 psig345 bar N/A -20 to 250 ºF-29 to 121 ºC N/A 1.10
3952F8E N/A Carbon Steel N/A PCTFE N/A 1/2" Female NPT N/A 1/2" Female NPT N/A 5000 psig345 bar N/A -20 to 250 ºF-29 to 121 ºC N/A 1.10
Unit of Measure
1