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

NV10-21

NEEDLE VALVE FINE METERING ADJUSTMENT

Overview

Description

A screw in, cartridge style, variable orifice, hydraulic flow metering valve

Operation

It is intended for applications requiring fine adjustment over multiple turns

Features

  • Adjustments cannot be backed out of the valve.
  • Hardened parts for long life.
  • Fine/Low-effort adjustment.
  • Linear adjustment.
  • Positive shut-off.
  • Industry-common cavity.

Ratings

Flow Ratings
Flow rating
15 gpm At full open (9 turns) 160 psid
Maximum internal leakage
3 drops/min Max at shut off
Pressure Ratings
Pressure rating
3500 psi
Temperature Ratings
Maximum operating fluid temperature
-40 to 120 °C

Properties

Operating torque required
7 in-lb At 3500 psi

Performance

NV10-21_Flow-Pressure NV10-21_Flow-Turns

Dimensions

NV10-21_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

Accessories

Order code

POSITION
CODE
DESCRIPTION
NV10-21F-H-J
F
Adjustment Option
F
E
Plastic Knob
F
T
Extended Shaft Only
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
NV10-21_Order