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LPFA

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-2A
Series 2
Capacity 30 gpm
Capacity (metric) 120 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 1 1/8 in.
Valve Hex Size (metric) 28,6 mm
Valve Installation Torque 45 – 50 lbf ft
Valve Installation Torque (metric) 61 – 68 Nm
Seal kit – Cartridge Viton: 990202006
Model Weight 0.50 lb.
Model Weight (metric) 0.23 kg.

Configuration Options

Control

L Tuning Adjustment
X Not Adjustable

Bias Pressure

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

Seal Material

N Buna-N
V Viton

Material/Coating

/AP Stainless Steel, Passivated
Cavity: T-2A
Nominal Capacity: 30 gpm (120 lpm)
Downloads
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Possible variants

LPFA8DN, LPFA-8DN, LPFA8DV, LPFA-8DV, LPFA8HN, LPFA-8HN, LPFA8HV, LPFA-8HV, LPFALDN, LPFA-LDN, LPFALDV, LPFA-LDV, LPFAXDN, LPFA-XDN, LPFAXDN/AP, LPFA-XDN/AP, LPFAXDV, LPFA-XDV, LPFAXDV/AP, LPFA-XDV/AP, LPFAXHN, LPFA-XHN, LPFAXHN/AP, LPFA-XHN/AP, LPFAXHV, LPFA-XHV, LPFAXHV/AP, LPFA-XHV/AP

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