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Pilot-operated, normally closed, electro-proportional throttle with reverse flow check
Cavity: T-16A | Capacity:
See CAD Files tab below to request images.
Technical specifications
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 (350 bar).
- 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.
- 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.
- Capacities rated at 200 psi (14 bar) differential and maximum rated coil current.
- Maximum Deadband (as a percentage of command) A Flow Rate = 39% C Flow Rate = 30% E Flow Rate = 46%
- Maximum Hysteresis at 200 psid (14 bar) A Flow Rate = 5 gpm (20 L/min.) C Flow Rate = 6 gpm (23 L/min.) E Flow Rate = 13 gpm (49 L/min.)
- Minimum Capacity at 1000 psid (70 bar) A Flow Rate = 35 gpm (140 L/min.) C Flow Rate = 80 gpm (320 L/min.) E Flow Rate = 110 gpm (416 L/min.)
- 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
- Series
- Capacity60 gpm
- Recommended dither frequency100 Hz
- Deadband, nominal (as a percentage of input)25%
- Manual Override Force Requirement5 lbs/1000 psi @ Port 1
- Manual Override Stroke.06 in.
- Maximum Valve Leakage at 110 SUS (24 cSt)20 drops/min.@5000 psi
- Solenoid Tube Diameter.75 in.
- Valve Hex Size1 1/4 in.
- Valve Installation Torque150 - 160 lbf ft
- Model Weight1.50 lb
- Model Weight (with coil)2.00 lb
- Seal and nut kit - Coil
- Seal kit - Cartridge
- Seal kit - Cartridge
- Seal kit - Cartridge
- Seal kit - Cartridge
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