Valves - Flow Controls - Non-compensated - Needle Valve - Fine Adjustment

NV10-22

NEEDLE VALVE

Overview

Description

NV10-22 is a screw-in, cartridge style, variable orifice, hydraulic flow restrictor valve

Operation

The valve increases its orifice value from fully closed to fully open with counter-clockwise adjustment rotation

Features

  • Adjustments cannot be backed out of the valve.
  • Desired settings may be locked down.
  • Hardened parts for long life.
  • Positive shut-off.
  • Linear adjustment.
  • Industry-common cavity.

Ratings

Pressure Ratings
Pressure rating
241 bar (3500 psi)
Proof pressure
345 bar (5000 psi)
Burst pressure
896 bar (13000 psi)
Flow Ratings
Flow rating
See pressure drop vs. Flow chart
Maximum internal leakage
0.05 ml/min (1 drops/min) Max at shut-off
Temperature Ratings
Maximum operating fluid temperature
-40 to 100 °C (-40 to 212 °F) With buna N seals
-26 to 204 °C (-15 to 400 °F) With fluorocarbon seals
-54 to 107 °C (-65 to 225 °F) With urethane seals
Storage temperature
-40 to 70 °C (-40 to 160 °F)
Ambient temperature
-40 to 70 °C (-40 to 160 °F)
Other Ratings
Corrosion protection
960 hr salt spray per ASTM b117 (model number: gnv10-22x)

Operating Parameters

Fluids
Mineral based or synthetic hydraulic fluid with lubricating properties
Fluid viscosity range
7.4 to 420 cSt
Maximum operating contamination level
18/16/13 per iso4406

Properties

Cartridge weight
0.12 kg (0.27 lb) Option A
Internal wetted surface area
76.1 cm² (11.8 in²)

Performance

NV10-22_Flow-Pressure

Dimensions

NV10-22_Dim

Materials

Materials

Cartridge: Weight: 0.15 kg. (0.33 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.

Installation Specifications

Cavity
VC10-2
Cartridge installation torque
34 to 37 N-m (25 to 27 ft-lb)
Maximum allowable torque
67.8 N-m (50 ft-lb)
Orientation restriction
None

Accessories

Seal kit
SK10-2X-M
N, V = seal option
SK10-2U-O

Order code

POSITION
CODE
DESCRIPTION
NV10-22F-H-J
F
Adjustment Option
F
A
3/16" Hex Allen Head
F
C
3/16" Hex Allen Head with Cover Cap
H
Line Body
H
0
No Body
H
6T
Aluminum SAE 6
H
8T
Aluminum SAE 8
H
6TD
Ductile Iron SAE 6
H
8TD
Ductile Iron SAE 8
H
2B
Aluminum BSPP 1/4" (2)
H
3B
Aluminum BSPP 3/8" (3)
H
4B
Aluminum BSPP 1/2" (4)
H
4BD
Ductile Iron BSPP 1/2" (4)
J
Seal
J
N
Buna-N
J
V
Fluorocarbon
J
P
Polyurethane
J
U
PPDI Urethane
NV10-22_Order