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SUN HYDRAULICS
FPHKEEN812


$427.80 USD
  • SUN HYDRAULICS
  • Material:FPHKEEN812
  • Model:FPHK-EEN@812
  • Summary:Cartridge

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***Disclaimer: The following summary contains information gathered from various sources such as product descriptions, technical specifications and catalogs. While efforts have been made to provide accurate details, inaccuracies may occur. It is advised to verify all information by contacting Sun Hydraulics directly.***
The Sun Hydraulics FPHKEEN812 (Material Number: FPHKEEN812) is a pilot-operated, normally closed, electroproportional throttle valve with a reverse free flow check feature. This versatile valve is designed to manage flow direction and pressure efficiently, making it ideal for various hydraulic applications. It operates with pressures up to 5000 psi and supports a capacity of 60 gpm (240 L/min). The valve's design allows metered flow from port 1 to port 2 while enabling reverse free flow from port 2 to port 1. The interchangeable coils can be mounted in either direction on the tube, enhancing compatibility with other Sun solenoid-operated valves. For optimal functionality, the use of an amplifier with current sensing and adjustable dither is recommended. The dither frequency should be adjustable between 100 and 250 Hz for precise control. The valve also offers several manual override options, including a momentary-twist override that allows manual shifting by twisting clockwise by 90 degrees. This feature provides flexibility in operation depending on specific circuit requirements. The FPHKEEN812 incorporates Sun's floating style construction, minimizing the risk of internal parts binding due to excessive installation torque or machining variations. It features a cavity size of T16A and belongs to Series 3. The valve's hex size is 1-1/4 inches (31.8 mm), and it requires an installation torque between 150 to 160 lbf ft (203 to 217 Nm). With a maximum leakage rate at high viscosity conditions being just about ten drops per minute at 5000 psi, this valve ensures efficient performance in demanding environments. Additionally, it weighs approximately 1.50 lb (0.70 kg) without the coil and around 2.00 lb with the coil installed, making it relatively lightweight for ease of integration into hydraulic systems.

This valve is a pilot operated, normally closed, electro-proportional throttle with reverse free flow check. Energizing the coil generates an opening force on the pilot stage which vents the main stage poppet to open proportionally. Metered flow is from port 1 to port 2 with reverse free flow from port 2 to port 1.

  • Capable of operating with pressures up to 5000 psi.
  • Coils are interchangeable with Sun's other full flow, solenoid-operated valves and can be mounted on the tube in either direction.
  • This cartridge has several manual override choices, including no manual override. See Option Configuration.
  • For optimum performance, an amplifier with current sensing and adjustable dither should be used. Dither should be adjustable between 100 - 250 Hz.
  • The momentary/twist override option "E" allows the operator to shift the valve by twisting the manual override clockwise 90 degrees.
  • Depending on circuit requirements, a reverse free flow check bypassing the compensator may be needed when using the FPHK with an external compensator.
  • 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-16A
Series 3
Capacity 60 gpm240 L/min.
Recommended dither frequency 100 Hz100 Hz
Maximum Valve Leakage at 110 SUS (24 cSt) 10 drops/min.@5000 psi0,7 cc/min.@350 bar
Manual Override Force Requirement 5 lbs/1000 psi @ Port 133 N/100 bar @ Port 1
Deadband, nominal (as a percentage of input) 25%25%
Manual Override Stroke .06 in.1,50 mm
Solenoid Tube Diameter .75 in.19 mm
Valve Hex Size 1 1/4 in.31,8 mm
Valve Installation Torque 150 - 160 lbf ft203 - 217 Nm
Model Weight 1.50 lb0,70 kg
Model Weight (with coil) 2.00 lb2.00 lb
Seal kit - Cartridge Viton: 990-016-006
Seal and nut kit - Coil Viton: 990-770-006Viton: 990-770-006

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