Item In Stock
A screw-in, cartridge-style, variable orifice, hydraulic flow restrictor valve. It is intended for applications requiring fi ne adjustment over multiple turns.
The NV08-21 increases its orifice value from fully closed to fully open with adjustment
rotation in the counterclockwise direction. Effective adjustment is linear to eight turns.
Note: This is intended as a low-effort adjustment suitable for operation through
linkage. It may be unsuitable in environments where vibration is present.
• Adjustment cannot be backed out of the valve.
• Hardened parts for long life.
• Industry common cavity.
• Fine/low effort adjustment.
• Positive shut-off.
• Linear adjustment.
Operating Pressure: 240 bar (3500 psi)
Flow: See Performance Chart
Internal Leakage: 0.25 cc/minute (5 drops/minute) max. at shut-off
Adjustment Torque Required: 0.34 Nm (3 inch-pounds) at 7 bar (100 psi); 0.68 Nm (6 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
PERFORMANCE (Cartridge Only)
