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LPDA

Modulating element from Sun Hydraulics

Description

These normally open modulating elements with an internal orifice between port 1 and port 3 can be used as a main-stage reducing valve. The valve can be controlled remotely using a pilot relief or pilot solenoid valve.

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  • Sun offers a variety of pressure and solenoid pilot control valves than can be used as remote control operators. See Pilot Control Cartridges.
  • A tuning adjustment (models configured with an L control) is available to vary the pressure drop across the compensator to increase/decrease flow within +/-25% of setting.
  • All ports will accept 5000 psi (350 bar).
  • Corrosion resistant cartridge valves are intended for use in corrosive environments and are identified by the model code suffix /AP for external stainless steel components, or /LH for external zinc-nickel plated components. See the CONFIGURATION section for all options. For further details, please see the Materials of Construction page located under TECH RESOURCES.
  • Incorporates the Sun floating style construction to minimize the possibility of internal parts binding due to excessive installation torque and/or cavity/cartridge machining variations.

Technical Data

Note: Data may vary by configuration. See CONFIGURATION section.

Cavity T-11A
Series 1
Capacity 15 gpm
Capacity (metric) 60 L/min.
Maximum Operating Pressure 5000 psi
Maximum Operating Pressure (metric) 350 bar
Control Pilot Flow 10 – 15 in³/min.
Control Pilot Flow (metric) 0,16 – 0,25 L/min.
Control Orifice Diameter .016 in.
Control Orifice Diameter (metric) 0,4 mm
Valve Hex Size 7/8 in.
Valve Hex Size (metric) 22,2 mm
Valve Installation Torque 30 – 35 lbf ft
Valve Installation Torque (metric) 41 – 47 Nm
Seal kit – Cartridge Viton: 990011006
Model Weight 0.28 lb.
Model Weight (metric) 0.13 kg.

Configuration Options

Control

L Tuning Adjustment
X Not Adjustable

Bias Pressure

D 50 psi (3,5 bar)
F 100 psi (7 bar)
H 200 psi (14 bar)

Seal Material

N Buna-N
V Viton

Material/Coating

/AP Stainless Steel, Passivated
Cavity: T-11A
Nominal Capacity: 15 gpm (60 lpm )
Downloads
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Possible variants

LPDA8DN, LPDA-8DN, LPDA8DV, LPDA-8DV, LPDA8FN, LPDA-8FN, LPDA8FV, LPDA-8FV, LPDA8HN, LPDA-8HN, LPDA8HV, LPDA-8HV, LPDALDN, LPDA-LDN, LPDALDV, LPDA-LDV, LPDAXDN, LPDA-XDN, LPDAXDN/AP, LPDA-XDN/AP, LPDAXDV, LPDA-XDV, LPDAXDV/AP, LPDA-XDV/AP, LPDAXFN, LPDA-XFN, LPDAXFN/AP, LPDA-XFN/AP, LPDAXFV, LPDA-XFV, LPDAXFV/AP, LPDA-XFV/AP, LPDAXHN, LPDA-XHN, LPDAXHN/AP, LPDA-XHN/AP, LPDAXHV, LPDA-XHV, LPDAXHV/AP, LPDA-XHV/AP

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