Circle Valve Technologies Inc.
307 Derstine Ave, Suite 204
Lansdale, PA 19446

Toll Free:800-645-6733
Phone: 267-933-6300
Fax: 267-933-6305
Email: [email protected]
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This miniature valve can be manually or remotely operated. Operating temperatures range from -20° to +250° F (-29° to +120° C), while operating pressures range from high vacuum to 300 psig. Available in brass and Monel® this valve can be used as a stop valve in a calibrated leak tester, and in labs where leak-tight service is necessary.

Hoke 4500 Series Bellows Sealed valve
Unit of Measure
1 

Item #

Body Material

Stem Tip

Inlet

Outlet

Operating Pressure

Operating Temperature

4551F2B N/A Brass N/A Monel N/A 1/8" Female NPT N/A 1/8" Female NPT N/A 0 to 300 psig N/A -20 to 250 ºF-29 to 120 ºC
4551Q4M N/A Monel®
N/A Monel N/A 1/4" Tube Stubs N/A 1/4" Tube Stubs N/A 0 to 300 psig N/A -20 to 250 ºF-29 to 120 ºC
4551Q4B N/A Brass N/A Monel® N/A 1/4" Tube Stubs N/A 1/4" Tube Stubs N/A 0 to 300 psig N/A -20 to 250 ºF-29 to 120 ºC
Unit of Measure
1