NV08-20 Needle Valve (NV08-20)

A screw-in, cartridge-style, variable orifice, hydraulic flow restrictor valve.

Product Operation

The NV08-20 increases its orifice value from fully closed to fully open with
counterclockwise adjustment rotation.

Product Features

• Adjustments cannot be backed out of the valve.
• Desired settings may be locked down.
• Hardened parts for long life.
 Aluminum knob option.
 Positive shut-off.
 Linear adjustment.• Compact size.

Product Ratings

Operating Pressure: 240 bar (3500 psi)
Flow: 42 lpm (11 gpm) nominal at 7 bar (100 psi) differential at full open 3.5 turns
Internal Leakage: 0.25 cc/minute (5 drop/minute) max. at shut-off
Adjustment Torque Required: 0.56 Nm (5 inch-pounds) at 7 bar (100 psi); 5.41 Nm (48 inch-pounds) at 207 bar (3000 psi)
Temperature: -40 to 120°C
Filtration: See page 9.010.1
Fluids: Mineral-based or synthetics with lubricating properties at viscosities of 7.4 to 420 cSt (50 to 2000 sus); See Temperature and Oil Viscosity, page 9.060.1
Installation: No restrictions; See page 9.020.1
Cavity: VC08-2; See page 9.108.1
Cavity Tool: CT08-2XX; See page 8.600.1
Seal Kit: SK08-2X-M; See page 8.650.1

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