Valves - Directional Controls - Check Valve - Pilot Operated

DC10-40

DUAL PILOT OPERATED CHECK VALVE

Overview

Description

The DC10-40X is a cartridge style, dual pilot operated check valve for use in blocking or load holding circuits with general purpose hydraulic fluids.

Operation

The valve has option of thermal relief from port 4 to 3.

Features

  • Hardened seat for long life and low leakage.
  • Low pressure drop.
  • Optional thermal relief.
Pressure Ratings
Pressure rating:
  • 241 bar (3500 psi)
Thermal relief crack pressure:
  • 310 to 386 bar (4500 to 5600 psi)
Pilot ratio:
  • 3:1
Flow Ratings
Flow rating:
  • 45.4 lpm (12 gpm)
  • 60.6 lpm (16 gpm) Maximum
Maximum internal leakage:
  • 0.25 ml/min (5 drops/min) Check valve leakage (at 207 bar (3000 psi))
  • 0.25 ml/min (5 drops/min) Thermal relief leakage (at up to 85% of crack pressure)
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:
  • Gdc10-40x - 960 hour salt spray per ASTM b117
Unit weight:
  • 0.14 kg (0.30 lb)
Internal wetted surface area:
  • 174 cm² (27 in²)
DC10-40_Perf_Chrt(2022-02-24)
DC10-40_Dim_Dwg(2022-02-24)
Cavity:
Cartridge installation torque:
  • 32.6 to 35.4 N-m (24 to 26 ft-lb)
Orientation restriction:
  • None
Seal kit:
  • SK10-4N-MMM Buna N
  • SK10-4V-MMM Fluorocarbon
  • SK10-4P-MMM Polyurethane
DC10-40_Order(2022-02-24)

Model Options

DC10-40-H-J-R
H Line Body
CODE
DESCRIPTION
0
No Body
6T
Aluminum SAE 6
8T
Aluminum SAE 8
6TD
Ductile Iron SAE 6
J Seal
CODE
DESCRIPTION
N
Buna-N
V
Fluorocarbon
P
Polyurethane
U
PPDI Urethane
R Spring
CODE
DESCRIPTION
25
25 psi Bias Spring
70
70 psi Bias Spring
115
115 psi Bias Spring