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Valves - Flow Controls - Pressure Compensated - Flow Divider - Combiner - High Accuracy

FD50-44

FLOW DIVIDER/COMBINER

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Overview

Description

The FD50-44 is a screw-in cartridge, spool type flow divider/combiner valve.

Operation

The valve provides pressure compensated proportional division of inlet flow or combining of two return flows regardless of system operating pressure conditions. The valve is intended for use in mineral based or synthetic hydraulic fluids with lubricating properties.

Features

  • Choice of flow ranges.
  • Quiet, modulated response.
  • Wide operating flow range.
  • Accurate division or combination of flow.
  • Optional corrosion-resistant plating.
  • Industry-common cavity.
Pressure Ratings
Pressure rating:
  • 345 bar (5000 psi)
Burst pressure:
  • 1034 bar (15000 psi)
Flow Ratings
Inlet flow rating:
  • 2.0 to 7.0 lpm (0.5 to 1.8 gpm) Model code 99
  • 2.5 to 9.5 lpm (0.7 to 2.5 gpm) Model code 11
  • 4 to 19 lpm (1.0 to 5.0 gpm) Model code 22
  • 7.5 to 38 lpm (2.0 to 10.0 gpm) Model code 44
Synchronizing flow:
  • Approximately 10% of maximum inlet flow
Flow accuracy:
  • 5 % Of inlet flow at maximum flow rate
  • 10 % Of inlet flow at minimum flow rate
Temperature Ratings
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 polyurethane 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 90 °C (-40 to 194 °F)
Other Ratings
Corrosion protection:
  • 960 hr salt spray per ASTM b117 (model number - gfd50-44)
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 ISO 4406
Unit weight:
  • 0.11 kg (0.25 lb)
Internal wetted surface area:
  • 164 cm² (25.4 in²)
FD50-44_Flow-Pressure(2022-02-24)
FD50-44_Dim(2022-02-24)
Cavity:
  • VC10-4
Cartridge installation torque:
  • 65 to 71 N-m (48 to 52 ft-lb)
Orientation restriction:
  • None
Seal kit:
  • SK10-4X-MMM X=seal option
  • SK10-4U-000 Urethane
Housings:
FD50-44_Order(2022-02-24)

Model Options

FD50-44-H-J-N
H Line Body
CODE
DESCRIPTION
0
No Body
6T
Aluminum SAE 6
6TD
Ductile Iron SAE 6
J Seal
CODE
DESCRIPTION
N
Buna-N
V
Fluorocarbon
P
Polyurethane
N Flow Dividing/Combining
CODE
DESCRIPTION
11
50/50 Rated at 2.5-9.5 lpm (0.7-2.5 gpm)
22
50/50 Rated at 4.0-19.0 lpm (1.0-5.0 gpm)
33
Not listed in outline
44
50/50 Rated at 7.5-38.0 lpm (2.0-10.0 gpm)
66
Not listed in outline
99
50/50 Rated at 2.0-7.0 lpm (0.5-1.8 gpm)

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