NV12-20 Needle Valve (NV12-20)
A screw-in, cartridge-style, variable orifice, hydraulic flow restrictor valve.
Product Operation
The NV12-20 increases its orifice value from fully closed to fully open with counter-
clockwise adjustment rotation.
Product Features
• Adjustments cannot be backed out of the valve.
• Desired settings may be locked down.
• Hardened parts for long life.
• Cost effective cavity.
• Aluminum knob option.
• Positive shut-off.
• Linear adjustment.
Product Ratings
Operating Pressure: 240 bar (3500 psi)
Flow: 113.6 lpm (30 gpm) nominal at 7 bar (100 psi) at full open 4.5 turns
Internal Leakage: 0.15 cc/minute (3 drops/minute) max. at shut-off
Adjustment Torque Required: 0.17 Nm (1.5 lb.-in.) at 7 bar (100 psi); 16.9 Nm (150 lb.-in.) 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: VC12-2; See page 9.112.1
Cavity Tool: CT12-2XX; See page 8.600.1
Seal Kit: SK12-2X-M; See page 8.650.1