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

FD52-45

FLOW DIVIDING / COMBINING VALVE

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Overview

Description

The FD52-45 is a screw-in cartridge, spool type flow divider/combiner valve

Operation

The cartridge valve pressure compensated proportional division of inlet flow or combining of two return flows regardless of system operating pressure conditions. The valve provides synchronizing flow in dividing and combining modes

Features

  • Hardened parts for long life.
  • Quiet, modulated response.
  • Wide operating flow range.
  • Synchronizing in dividing and combining modes.
  • Floating cage — high installation torque.
  • Industry-common cavity.

Ratings

Pressure Ratings
Pressure rating:
  • 345 bar (5000 psi)
  • 420 bar (6090 psi) 10% duty cycle
Pressure drop:
  • 20.5 bar (300 psi) At maximum inlet flow
Flow Ratings
Inlet flow rating:
  • 15 to 60 lpm (4.0 to 16.0 gpm) Model code 44
  • 23 to 90 lpm (6.0 to 24.0 gpm) Model code 66
  • 30 to 106 lpm (8.0 to 28.0 gpm) Model code 88
Synchronizing flow:
  • Approximately 10% of maximum inlet flow
Flow accuracy:
  • 10 % Of inlet flow for -44 and -66 models
  • 15 % Of inlet flow for -88 models
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
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 - gfd52-45)

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 ISO 4406

Properties

Unit weight:
  • 0.24 kg (0.53 lb)
Internal wetted surface area:
  • 238 cm² (43.8 in²)

Performance

FD52-45_Flow-Pressure

Dimensions

FD52-45_Dim

Materials

Materials

Cartridge: Weight: 0.24 kg (0.53 lb); Steel with hardened work surfaces. Zinc-plated exposed surfaces; Buna N O-rings and polyester elastomer back-ups standard.

Ported Body: Ductile iron body required for operation over 207 bar (3000 psi). Aluminum bodies are available for lower pressure operation. FD-type bodies recommended but a standard 4-way body may also be used with Port 1 plugged.

Installation Specifications

Cavity:
  • VC12-4
  • HVC12-4 for applications with pressure excursions up to 420 bar (6090 psi)
Cartridge installation torque:
  • 99 to 104 N-m (73 to 77 ft-lb)
  • 156 to 169 N-m (115 to 125 ft-lb) For applications with pressure excursions up to applications with pressure excursions up to 6090 psi [420 bar]
Orientation restriction:
  • None

Accessories

Seal kit:
  • SK12-4X-MMM (x=seal option) X=seal option
Housings:

Order Code

POSITION
CODE
DESCRIPTION
FD52-45-H-J-N
H
Line Body
H
0
No Body
H
10T
Aluminum SAE 10
H
12T
Aluminum SAE 12
H
12TD
Ductile Iron SAE 12
J
Seal
J
N
Buna-N
J
V
Fluorocarbon
J
P
Polyurethane
N
Flow Dividing/Combining
N
22
Not listed in outline
N
33
Not listed in outline
N
44
50/50 Rated at 15.0-60.0 lpm (6.0-24.0 gpm)
N
55
Not listed in outline
N
66
50/50 Rated at 23.0-90.0 lpm (6.0-24.0 gpm)
N
88
50/50 Rated at 30.0-106.0 lpm (8.0-28.0 gpm)
FD52-45_Order

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