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

NV08-21

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.
  • Positive shut-off.
  • Compact, industry-common cavity.
Flow Ratings
Flow rating:
  • 15 gpm At 250 psid at full open (5.5 turns) 250 psid
Maximum internal leakage:
  • 3 drops/min Max. At shut off
Pressure Ratings
Pressure rating:
  • 3500 psi
Temperature Ratings
Operating fluid temperature:
  • -40 to 120 °C (-40 to 248 °F)
Operating torque required:
  • 4 in-lb At 3500 psi
NV08-21_Flow-Pressure(2022-02-24)
NV08-21_Dim(2022-02-24)
NV08-21_Order(2022-02-24)
POSITION
CODE
DESCRIPTION
NV08-21F-H-J
F
Adjustment Option
F
E
Plastic Knob
F
T
Extended Shaft Only
H
Line Body
H
0
No Body
H
4T
Aluminum SAE 4
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
3BD
Ductile Iron BSPP 3/8" (3)
J
Seal
J
N
Buna-N
J
V
Fluorocarbon
J
P
Polyurethane
J
U
PPDI Urethane