Dwyer Omega – Model NVII Needle Valves

Dwyer Omega – Model NVII Needle Valves

The Model NVII Needle Valves provide easy flow regulation in all applications, including shut off and throttling for pressure gages and instruments. With a one piece, hot forged brass body construction, years of maintenance-free service can be expected. The Model NVII, with its tamper-proof design and blowout-proof stem, provides excellent performance and reliability.

Service

Gases and liquids compatible with wetted materials. Not rated for steam use

End Connection Size

1/4˝ NPT

Pressure Limit

2000 psi (138 bar) (CWP)

Wetted Materials

Valve body: Brass (CW617N); Retainer, handwheel: Brass(CW614N); O-ring: Fluoroelastomer

Temperature Limits

-40 to 350°F (-40 to 176.7°C). (Warning: freezing of the fluid in the installation may severely damage the valve.)

Flow Coefficient

0.31

Weight

0.22 lb