Sun Hydraulics
SUN Logic Elements
Womack Machine Supply Company proudly partners with Sun Hydraulics to deliver the finest Cartridge Directional Valves available. Our collaboration ensures that customers in multiple locations across the United States have access to these exceptional products, click here to see available locations. Our commitment to excellence, combined with the reliability and performance of Sun Hydraulics, guarantees that you receive top-quality Cartridge Directional Valves components for your specific needs.
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Sun Hydraulics offers a broad variety of balanced and unbalanced logic switching cartridges that can be used for a variety of directional control applications. Logic modulating cartridges for pressure and flow control applications are also offered. Sun logic cartridges can be conveniently applied using many mounting options.
- Offer machine designers almost unlimited flexibility in logic circuit design
- Can be remotely piloted using other Sun pilot products
- Includes versions that accept a Sun pilot control directly into the hex end of the logic cartridge for integrated pilot control
- Includes sealed pilot versions to prevent leakage between pilot and work ports
Unbalanced Poppet, Pilot-to-Close Switching Element
- Maximum operating pressure = 5000 psi
- Area ratio: A3 to A1 = 1.8:1
- Area ratio: A3 to A2 = 2.25:1
- Control orifice diameter = LODA, LODB, LODD, LOFA, LOFB, LOFD: 0.021 in., LOHA, LOHB,
- LOHD: 0.031 in., LOJA, LOJB, LOJD: 0.035 in.
- Pilot volume for complete shift = LOD*: 0.04 in³/min., LOF*: 0.07 in³/min., LOH*: 0.25 in³/min., LOJ*: 0.42 in³/min.
- These valves are pressure responsive at all three ports, therefore it is essential to consider all aspects of system operation through a complete cycle. Pressure changes at any one port may cause a valve to switch from a closeld to an open position, or vice versa. All possible pressure changes in the complete circuit must be considered to assure a safe, functional system design.
Unbalanced Poppet, Pilot-to-Close Switching Element with Integral Pilot Control Cavity
- Maximum operating pressure = 5000 psi
- Area ratio: A3 to A1 = 1.8:1
- Area ratio: A3 to A2 = 2.25:1
- Control orifice diameter = LOD*-8, LOD*-8, LOF*-8, LOF*-8: 0.021 in., LOH*, LOH*-8: 0.031 in., LOJ*, LOJ*-8: 0.035 in.
- These valves are pressure responsive at all three ports, therefore it is essential to consider all aspects of system operation through a complete cycle. Pressure changes at any one port may cause a valve to switch from a closed to an open position, or vice versa. All possible pressure changes in the complete circuit must be considered to assure a safe, functional system design.
- With the -8 control option, the main stage valve should first be installed to the correct torque value. The T-8A pilot control valve should then be installed into the main stage valve to its required torque value.
Unbalanced Poppet, Pilot-to-Open Switching Element
- Maximum operating pressure = 5000 psi
- Area ratio: A3 to A1 = 1.8:1
- Area ratio: A3 to A2 = 2.25:1
- Control orifice diameter = LKDC: 0.031 in., LKFC: 0.035 in., LKHC: 0.062 in., LKJC: 0.094 in.
- Pilot volume for complete shift = LKDC: 0.02 in³/min., LKFC: 0.06 in³/min., LKHC: 0.15 in³/min., LKJC: 0.30 in³/min.
- These valves are pressure responsive at all three ports, therefore it is essential to consider all aspects of system operation through a complete cycle. Pressure changes at any one port may cause a valve to switch from a closed to an open position, or vice versa. All possible pressure changes in the complete circuit must be considered to assure a safe, functional system design.
Normally Open Modulating Element
- Maximum operating pressure = 5000 psi
- Maximum leakage at 150 SUS, port 3 = 1 in³/min.
- Control orifice diameter = LPB*, LPD*, LPF*: 0.016 in., LPH*, LPJ*: 0.021 in.
Normally Closed Modulating Element
- Maximum operating pressure = 5000 psi
- Control orifice diameter = LRB*, LRD*, LRF*: 0.016 in., LRH*, LRJ*: 0.021 in.
Normally Open, Direct Operated
- Maximum operating pressure = 5000 psi (Port 1 and Port 2)
- Minimum pilot pressure to shift valve = DODS: 400 psi, DOFS, DOHS, DOJS: 300 psi
- Maximum valve leakage, Port 1 to Port 2 or Port 2 to Port 1 = 5 drops/min.
- Pilot volume for complete shift = DODS: 0.01 in³/min., DOFS: 0.02 in³/min., DOHS: 0.05 in³/min., DOJS: 0.17 in³/min.
- Valve will open when the pilot pressure falls below 145 psi.
- Any back pressure at the drain port is directly additive to the required pilot pressure for reliable operation.
Normally Open, Vent-to-Operate
- Maximum operating pressure = 5000 psi
- Minimum pilot pressure to shift valve with Port 4 vented to tank = DODR: 400 psi, DOFR, DOHR, DOJR: 300 psi
- Maximum valve leakage, Port 1 to Port 2 or Port 2 to Port 1 = 5 drops/min.
- Control pilot flow = DODR: 25 in³/min., DOFR: 22 in³/min., DOHR, DOJR: 35 in³/min.
- Valve will open when the pilot pressure falls below 145 psi or with Port 4 blocked.
- Port 4 may be externally connected to a pilot switching valve. The pilot valve should have a leakage rate of less than 10 drops/min. and be able to satisfy the pilot flow requirements. Sun model DAAA-***
- solenoid pilot valve is ideal for this application.
Normally Open, Vent-to-Operate with Integral Pilot Control Cavity
- Maximum operating pressure = 5000 psi
- Minimum pilot pressure to shift valve = DODR: 400 psi, DOFR, DOHR, DOJR: 300 psi
- Maximum valve leakage, Port 1 to Port 2 or Port 2 to Port 1 = 5 drops/min.
- Control pilot flow = DODR: 25 in³/min., DOFR: 22 in³/min., DOHR, DOJR: 35 in³/min.
- Valve will open when the pilot pressure falls below 145 psi.
- Any back pressure at the drain port is directly additive to the required pilot pressure.
- With the -8 control option, the main stage valve should first be installed to the correct torque value. The T-8A pilot control valve should then be installed into the main stage valve to its required torque value.
Normally Open, Pressure Adjustable
- Maximum operating pressure = 5000 psi
- Minimum pilot pressure to shift valve = DODP: 400 psi, DOFP, DOH, DOJP: 300 psi
- Maximum valve leakage, Port 1 to Port 2 or Port 2 to Port 1 = 5 drops/min.
- Control pilot flow at shift = DODP, DOFP: 24 in³/min., DOHP, DOJP: 36 in³/min.
- Valve will open when the pilot pressure drops 85% below setting.
- Any back pressure at the drain port is directly additive to the required pilot pressure.
Normally Closed, Direct Operated
- Maximum operating pressure = 5000 psi
- Minimum pilot pressure to shift valve = DKDS: 400 psi, DKFS, DKHS, DKJS: 300 psi
- Maximum valve leakage, Port 1 to Port 2 or Port 2 to Port 1 = 5 drops/min.
- Pilot volume for complete shift = DKDS: 0.01 in³/min., DKFS: 0.02 in³/min., DKHS: 0.05 in³/min., DKJS: 0.17 in³/min.
- Valve will reseat when the pilot pressure drops 85% below setting.
- Any back pressure at the drain port is directly additive to the required pilot pressure.
Normally Closed, Pressure Adjustable
- Maximum operating pressure = 5000 psi
- Minimum pilot pressure to shift valve = DKDP: 400 psi, DKFP, DKHP, DKJP: 300 psi
- Maximum valve leakage, Port 1 to Port 2 or Port 2 to Port 1 = 5 drops/min.
- Control pilot flow at shift = DKDP, DKFP: 24 in³/min., DKHP, DKJP: 36 in³/min.
- Any back pressure at the drain port is directly additive to the required pilot pressure.
- Valve will reseat when the pilot pressure falls to 85% of the cracking value.
Normally Closed, Vent-to-Operate
- Maximum operating pressure = 5000 psi
- Minimum pilot pressure to shift valve with Port 4 vented to tank = DKDR: 400 psi,
- DKFR, DKHR, DKJR: 300 psi
- Maximum valve leakage, Port 1 to Port 2 or Port 2 to Port 1 = 5 drops/min.
- Control pilot flow = DKDR: 25 in³/min., DKFR: 22 in³/min., DKHR, DKJR: 35 in³/min.
- Valve will reseat when the pilot pressure falls below 145 psi.
- Port 4 may be externally connected to a pilot switching valve. The pilot valve should have a leakage
- rate of less than 10 drops/min. and be able to satisfy the pilot flow requirements. Sun model DAAA-***
- solenoid pilot valve is ideal for this application.
Normally Closed, Vent-to-Operate with Integral Pilot Control Cavity
- Maximum operating pressure = 5000 psi
- Minimum pilot pressure to shift valve with Port 4 vented to tank = DKDR: 400 psi,
- DKFR, DKHR, DKJR: 300 psi
- Maximum valve leakage, Port 1 to Port 2 or Port 2 to Port 1 = 5 drops/min.
- Control pilot flow = DKDR: 25 in³/min., DKFR: 22 in³/min., DKHR, DKJR: 35 in³/min.
- Valve will open when the pilot pressure falls below 145 psi.
- Any back pressure at the drain port is directly additive to the required pilot pressure for reliable
- operation.
- With the -8 control option, the main stage valve should first be installed to the correct torque value. The T-8A pilot control valve should then be installed into the main stage valve to its required torque value.
AVAILABLE IN THESE LOCATIONS
- Arkansas
- Louisiana
- Oklahoma
- Texas
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If you’re interested in any of our products, or you have any questions about pricing and availability, let our team know today. We’re here to help!