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Valves - Flow Controls - Pressure Compensator - Restrictive Type - Pre-Compensator

EC12-32

FLOW ON DEMAND PRESSURE COMPENSATING ELEMENT WITH STATIC LOAD SENSE

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Overview

Description

EC12-32 is a screw-in, cartridge style, load sense, flow on demand, pressure compensator valve.

Operation

With inlet flow at port 2, the EC12-32 will deliver required flow at port 3 regardless of load pressure sensed at port 1.

note: 0.53 mm 0.021inorifice is recommended to be installed in load sense line at port 1 for better stability.

Features

  • Choice of compensator springs
  • Hardened parts for long life.
  • Quiet, modulated response.
  • Industry-common cavity.
Pressure Ratings
Pressure rating:
  • 241 bar (3500 psi)
Flow Ratings
Flow rating:
  • 57 lpm (15.0 gpm) With 5.5 bar (80 psi)compensating spring
  • 76 lpm (20.0 gpm) With 7.6 bar (110 psi)compensating spring
  • 83 lpm (22.0 gpm) With 11.0 bar (160 psi)compensating spring
  • 114 lpm (30.0 gpm) With 15.2 bar (220 psi)compensating spring
Maximum internal leakage:
  • 49 ml/min (3.0 in³/min) At port 1 with 241 bar (3500 psi) at port 2 (port 3 blocked)
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 70 °C (-40 to 160 °F)
Other Ratings
Corrosion protection:
  • 960 hr salt spray per ASTM b117 (model number - gec12-32)
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:
  • 0.39 kg (0.87 lb)
Internal wetted surface area:
  • 258.4 cm² (40.05 in²)
EC12-32_Flow-Pressure(2022-02-24)
EC12-32_Dim(2022-02-24)
Cavity:
  • VC12-3
Cartridge installation torque:
  • 45 to 50 N-m (33 to 37 ft-lb)
Maximum allowable torque:
  • 67.8 N-m (50 ft-lb)
Orientation restriction:
  • None
Seal kit:
  • SK12-3X-MM X = seal option
Housings:
EC12-32_Order(2022-02-24)

Model Options

EC12-32-H-J-R
H Line Body
CODE
DESCRIPTION
0
No Body
8T
Aluminum SAE 8
10T
Aluminum SAE 10
12T
Aluminum SAE 12
12TD
Ductile Iron SAE 12
6B
Aluminum BSPP 3/4" (6)
J Seal
CODE
DESCRIPTION
N
Buna-N
V
Fluorocarbon
P
Polyurethane
U
PPDI Urethane
R Compensator Spring
CODE
DESCRIPTION
80
80 Compensator Spring
160
160 Compensator Spring
220
220 Compensator Spring

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