NV08-23 Needle Valve, Fine Adjustment (NV08-23)
A screw-in, cartridge-style, variable orifice, fi ne adjustment, hydraulic flow restrictor valve.
Product Operation
The NV08-23 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: 38 lpm (10 gpm) nominal at 165 bar (2400 psi) fully open
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)
Operating Temperature: –40 to 100°C (-40° to 212°F) with standard Buna N seals
–26 to 204°C (-15°F to 400°F) with Fluorocarbon seals
–54 to 104°C (-65°F to 225°F) with Polyurethane seals
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