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Flow Control Valves
NV08-20 — Needle Valve
Selection guide - similar valves. |
PDF file of this page.
STP file for NV08-20.
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A screw-in, cartridge-style, variable orifice, hydraulic flow restrictor valve.
The NV08-20 increases its orifice value from fully-closed to fully-open with counterclockwise
Adjustments cannot be backed out of the valve.
Desired settings may be locked down.
Hardened parts for long life.
Aluminum knob option.
Operating Pressure: 241 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 drops/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 100°C (-40° to 212°F) with Buna seals;
-26° to 204°C (-15° to 400°F) with Fluorocarbon 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_2w
Cavity Tool: CT08-2xx; See page 8.600.1
Seal Kit: SK08-2x-M; See page 8.650.1
Cartridge: Weight: 0.10 kg. (0.23 lbs.);
Steel with hardened work surfaces. Zinc-plated exposed surfaces; Buna N O-rings and polyester elastomer back-ups standard. 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 8.008.1_2w.
|Selection guide - similar valves.
||PDF file of this page.||STP file for NV08-20||Request a quote.|