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SUN HYDRAULICS
DIRECTNAL CART
DKFSXHN


$160.00
  • SUN HYDRAULICS
  • Material:DKFSXHN
  • Model:DKFS-XHN
  • Summary:Cartridge

Quantity in stock: 5

This is a normally closed, balanced poppet, switching element. Pilot pressure at port 3 shifts the valve to the open position.

  • Unique balanced construction provides predictable switching with 5000 psi (350 bar) at both ports 1 and 2, with the external drain open and a minimum pilot pressure of 300 psi (20 bar).
  • Port 1 and port 2 are fully sealed from port 3 and port 4. Ports 3 and 4 are positively sealed.
  • Any backpressure at the drain port is directly additive to the required pilot pressure for reliable operation.
  • Leakage rate between port 1 and port 2 is very low, typically less than 10 drops/min. at 5000 psi (0,7 cc/min at 350 bar).
  • Valve will reseat when the pilot pressure falls below 145 psi (10 bar).
  • These valves are hydraulically balanced between port 1 and port 2.
  • Cartridges configured with EPDM seals are for use in systems with phosphate ester fluids. Exposure to petroleum based fluids, greases and lubricants will damage the seals.
  • All ports will accept 5000 psi (350 bar).
  • 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.

Cavity T-22A
Series 2
Capacity 30 gpm120 L/min.
Minimum Pilot Pressure Required to Shift Valve 300 psi20 bar
Maximum Operating Pressure 5000 psi350 bar
Maximum Valve Leakage at 110 SUS (24 cSt) 10 drops/min.@5000 psi0,7 cc/min.@350 bar
Pilot Volume Displacement .02 in³0,33 cc
Valve Hex Size 1 1/8 in.28,6 mm
Valve Installation Torque 45 - 50 lbf ft61 - 68 Nm
Seal kit - Cartridge Viton: 990-022-006

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