NV10-20 Needle Valve

DESCRIPTION

A screw-in, cartridge-style, variable orifi ce, hydraulic fl ow restrictor valve.

OPERATION

The NV10-20 increases its orifi ce value from fully closed to fully open with

counterclockwise adjustment rotation.

FEATURES

• Adjustments cannot be backed out of the valve.

• Desired settings may be locked down.

Operating Pressure: 240 bar (3500 psi)

Flow: 45 lpm (12 gpm) nominal at 7 bar (100 psi) 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);

5.41Nm (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

Fully

Open

1/8

1/4 1/2

3/4

27.6/400

20.7/300

13.8/200

6.9/100

TURNS

1 1-1/2

2-1/2

2

2-3/4

34.1

9

22.7

6

ΔP = 6.9 bar/100 psi —

ΔP = 5.5 bar/80 psi - - -

45.4/12.0

SYMBOLS

FLOW CONTROLS

HYDRAFORCE

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Anodized aluminum knobs.

Standard Ported Body: Weight:

0.16 kg. (0.35 lbs.) Anodized high-

strength 6061 T6 aluminum alloy,

rated to 207 bar (3000 psi). Ductile

iron bodies available; dimensions

may differ. See page 8.010.1

DIMENSIONS

MATERIALS

TO ORDER

NV10-20

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