Sun Common Cavity Cartridges Deliver
Excellent Solutions for your Applications
We are proud to announce the launch of Sun Common (SC) cavity cartridge valves. Joining the broad range of existing Sun Hydraulics cartridge valves, these SC cavity cartridges are optimized for lower pressure systems.
These valves boast a common SAE style cavity, which is compliant to SAE cavity standard ISO 17209:2013. Several great options that will allow you to engineer optimized, interchangeable solutions and enhance the functionality of your demanding applications are available now.
Jump to the table below as a quick reference guide for all these offerings by clicking HERE.
Manual Hydraulic Hand Pump with Dual Integrated Check Valves
The manual hydraulic hand pump, HPUA, is one of the newest featured products in the Sun Common cartridge cavity family. Featuring dual integrated check valves, this product ensures optimal flow control and prevents backflow. The lever socket can rotate 360°, allowing for easy and convenient operation. The HPUA is rated to 3000 psi (210 bar) and is constructed with zinc plating to ASTM specifications for 240 hours of salt spray resistance, making this valve capable to withstand harsh environments.
Proportional pressure reducing and relieving, solenoid-operated cartridge valve
The PRTS is a proportional, direct-acting reducer/reliever that reduces a high primary pressure at the inlet port (Port 2) to a constant reduced pressure at Port 1, with relief function from Port 1 to tank (Port 3). Biased to relieving mode, this valve energizes the coil connection between Port 2 to Port 1. Rated to 3000 psi (210 bar) and featuring a nominal flow rate of 1 gpm (4 L/min), the PRTS consumes low levels of oil due to being closed in the transition between reducing and relieving.
4-way, 3-position, electro-proportional, solenoid-operated, directional valve
The FNUC is a 3-position, 4-way, electro-proportional, solenoid-operated directional valve centered to the neutral position. The FNUC is available with a Blocked Center condition or an A and B Bleed to T Center condition. This valve is rated to 3600 psi (250 bar). The flow from Port 3 (P) to Port 2 (B) and from Port 4 (A) to Port 1 (T) increases proportionally to the current applied to coil A. The flow from Port 3 (P) to Port 4 (A) and from Port 2 (A) to Port 1 (T) increases proportionally to the current applied to coil B. On aerial platforms, the FNUC provides fine speed control of the working cylinders in a compact, lightweight, cartridge valve solution.
4-way, 3-position, solenoid-operated, direct acting, directional spool valve
Creatively designed for high reliability, the DNUC and DNTC are direct-acting, solenoid-operated, 4-way, 3-position spool valves that are spring centered to the neutral position. The DNUC is rated to 3600 psi (250 bar) and features nominal flow ratings up to 7 gpm (28L/min) as well as four spool configurations. This valve can be installed into a SC-10-04 cavity and utilized with the 779 Series coils. Best incorporated in applications such as outrigger controls, scissor lifts, municipal trucks, and aerial work platforms, the DNUC offers incredible compact cartridge solutions. In contrast, the DNTC is compatible with the 769 Series coils and designed to fit into a SC-08-04 cavity. Rated to 3000 psi (210 bar), the nominal flow rating of the DNTC is 3 gpm (11 L/min), making this valve ideal for smaller actuators or pilot circuits.
4-way, 2-position solenoid-operated, direct acting, balanced spool directional valve
Solenoid-operated and direct acting, the DNUT is a 4-way, 2-position balanced spool directional valve that requires no minimum hydraulic pressure for its optimal functionality. Rated to a maximum operating pressure of 3000 psi (210 bar), the DNUT features an 8 gpm (30 L/min) capacity and caters to a SC-10-04 cavity. This valve is compatible with the 780 Series coils and can be utilized in applications such as tractors, bull dozers, as well as a wide variety of applications requiring pilot control.
3-way, 2-position solenoid-operated, direct acting, balanced spool directional valves
The DMUT, DMUQ, and DMTA are solenoid-operated, 3-way, 2-position balanced spool directional valves.
No minimum hydraulic pressure is required for the optimal functionality of these cartridges. While the DMTA valve fits into an SC-08-03 cavity and is compatible with the 769 Series coils, both DMUT and DMUQ valves can be installed into a SC-10-03 cavity, and they are compatible with the 780 Series coils. The DMTA valve is available with a manual push-type, with detent, override option. Maximum operating pressure for the DMTA is 3600 psi (250 bar), and capacity is 4 gpm (15L/min). The maximum operating pressure for the DMUT is 3000 psi (210 bar). The maximum operating pressure for DMUQ is rated to 1600 psi (110 bar). Both the DMUT and DMUQ have a capacity of 7gpm (28L/min). The DMTA is an excellent pilot control solution. It can also be used to open water nozzles when spraying mine sites for dust suppression. Furthermore, industrial pilot machinery, bull dozers, and tractors are all best suited for the DMUT cartridge, while the DMUQ can functionally support the hydraulic control of pilot nozzle actuators for water spraying trucks or industrial pilot machinery.
2-way, 2-position solenoid-operated, directional poppet valves
The DGUA and DGTA valves share commonality in their description but boast differences in their cavity adherence and maximum capacities. The DGUA fits a SC-10-02 cavity and has a capacity of 16 gpm (60 L/min.) while the DGTA cartridge fits a SC-08-02 cavity and has a 12 gpm (46 L/min.) Both valves make ideal choices for applications that require a freewheel option on a motor.
2-way, 2-position solenoid operated, directional poppet valve with reverse free flow check
DFTA is a 2-way, 2-position, solenoid operated poppet valve with a reserve free flow check. This valve fits a SC-08-02 cavity, is rated to 5000 psi (350 bar) and has a capacity of 10 gpm (40 L/min.). The DFTA can be used in hydraulic press applications, and it utilizes a 779 Series coil.
2-way, 2-stage solenoid-operated, poppet valves with reverse free flow check
The DFUA and DFUB valves are 2-way, 2-stage, solenoid-operated poppet valves with a reverse free flow check. These valves exhibit low leakage when closed and are available in either normally open or normally closed configuration, with or without a manual override. While the valves share SC-10-02 cavity sizes, maximum operating pressures of 5000 psi (350 bar) and capacities of 16 gpm (60L/min.), their key difference lies in flow direction: DFUA flows from Port 1 to Port 2, while DFUB flows from Port 2 to Port 1. These valves both utilize a 779 Series coil and make excellent options for selector circuits.
Model DFTB is a 2-way, 2-stage solenoid-operated poppet valve with reverse free flow check. This valve exhibits low leakage when closed and is available in either normally open or normally closed configuration, with or without a manual override. This valve fits a SC-08-02 cavity, and it's rated to 4300 psi (300 bar). It has a capacity of 8 gpm (30 L/min.) and uses 769 Series coils. The DFTB can be used in rotary actuator applications.
2-way, 2-position solenoid-operated, direct acting, balanced poppet valve
The DTTA is a 2-way, direct-acting, balanced poppet solenoid-operated directional valve. This versatile double blocking valve fits a SC-08-02 cavity and is rated to a maximum operating pressure of 3600 psi (250 bar). This valve utilizes the 769 Series coils. The DTTA can be used in many applications such as street sweepers, lifts, and auxiliary attachments for agriculture and construction equipment.
2-way, 2-position solenoid-operated, direct acting, balanced spool directional valve
The DLUT is a solenoid-operated, direct-acting, 2-way, 2-position balanced spool directional valve that is offered in a SC-10-02 cavity and a normally closed configuration. This bi-directional valve has a preferred flow path of 2 to 1. No minimum hydraulic pressure is required for the operation of the valve. The DLUT is compatible with the 780 Series coils. The valve offers great functionality and can serve as an optimal solution for sweepers or other industrial hydraulic machines with maximum pressures less than 3000 psi (210 bar).
Bi-directional, direct-acting relief valve
The bi-directional, direct-acting relief cartridge RBUA is a normally closed, pressure-limiting valve used to protect hydraulic components from pressure transients. This valve fits a SC-10-02 cavity and has a maximum operating pressure of 5000 psi (350 bar). It features a capacity of 20 gpm (80 L/min) and is great for use in forklift applications.
Direct-acting relief valve
The RDUA is a direct-acting relief cartridge. Normally closed, this pressure-limiting device is used to protect hydraulic systems from over pressurization. When the pressure at the inlet (Port 1) reaches the valve setting, the valve opens to tank (Port 2) to prevent over pressurization. Compact and economical, the RDUA boasts a fast-acting response time and is best utilized in compact mobile machinery such as scissor lifts.
Single ball, shuttle valve
The Sun common cavity shuttle valve, CSTT, works with the connection of a single ball shuttle which permits the higher of two work ports to the signal or common port. The single ball allows for the decay of the pressure signal when both load ports fall to a lower pressure. The signal is sensed at port 2, and all ports are rated to a maximum operating pressure of 3000 psi (210 bar). Best suited for SC-08-03 cavities, this SC shuttle valve is great for load sense systems. It features hardened steel balls and seats for superb wear characteristics and contamination tolerance.
Check valves
The CXUT and CXTA are free-flow, nose-to-side check valves that functionally provide 5 drops/minute load holding leakage rating. These 2-port check valves allow free flow from the inlet (port 1) to the outlet (port 2) and block flow in the opposite direction. With a maximum operating pressure of 3000 psi (210 bar), the CXUT also features a nominal flow rating of 16 gpm (60 L/min). This valve can be installed into an SC-10-02 cavity and features a low-profile design for compact cartridge solutions. In comparison, the CXTA boasts a maximum operating pressure of 5000 psi (350 bar) with a nominal flow rating of 10 gpm (40L/min.) and fits a SC-08-02 cavity.
| Model Code | Description | Capacity | Cavity | Coil Options | Symbol |
| HPUA | Manual Hydraulic Hand Pump with Dual Integrated Check Valves | .442 in³ (7,2 cc) | SC-10-02 | - |  |
| FNUC | Electro-proportional, solenoid-operated, directional valve | 10 gpm (40 l/min) | SC-10-04 | 778-**** |  |
| PRTS | Proportional Pressure Reducing and Relieving Valve | 1 gpm (4L/min) | SC-08-03 | 769-**** |  |
| DNUC | 4-Way, 3-Position Solenoid Valve | 7 gpm (28L/min) | SC-10-04 | 779-**** |  |
| DNTC | 4-Way, 3-Position Solenoid Valve | 3 gpm (11L/min) | SC-08-04 | 769-**** |  |
| DNUT | 4-Way, 2-Position Balanced Spool Directional Valve | 8 gpm (30L/min) | SC-10-04 | 780-**** |  |
| DMTA | 3-Way, 2-Position Balanced Spool Directional Valve | 4 gpm (15L/min) | SC-08-03 | 769-**** |  |
| DMUT | 3-Way, 2-Position Balanced Spool Directional Valve | 7 gpm (28L/min) | SC-10-03 | 780-**** |  |
| DMUQ | 3-Way, 2-Position Balanced Spool Directional Valve | 7 gpm (28L/min) | SC-10-03 | 780-**** |  |
| DGVA | 2-Way, 2-Position Solenoid-Operated Directional Poppet Valve | 40 gpm (150L/min) | SC-12-02 | 779-**** |  |
| DGUA | 2-Way, 2-Position Solenoid-Operated Directional Poppet Valve | 16 gpm (60L/min) | SC-10-02 | 779-**** | |
| DGTA | 2-Way, 2-Position Solenoid-Operated Directional Poppet Valve | 12 gpm (46L/min) | SC-08-02 | 769-**** | |
| DFTA | 2-Way, Solenoid-Operated Directional Poppet Valve with Reverse Flow Check | 10 gpm (40L/min) | SC-08-02 | 779-**** |  |
| DFUA | 2-Way, 2-Stage Solenoid-Operated Poppet Valve with Reverse Flow Check | 16 gpm (60L/min) | SC-10-02 | 779-**** |  |
| DFUB | 2-Way, 2-Stage Solenoid-Operated Poppet Valve with Reverse Flow Check | 16 gpm (60L/min) | SC-10-02 | 779-**** |  |
| DFTB | 2-Way, 2-Stage Solenoid-Operated Poppet Valve with Reverse Flow Check | 8 gpm (30L/min) | SC-08-02 | 769-**** |  |
| DTTA | 2-Way, Direct-acting Balanced Poppet Solenoid Directional Valve | 6 gpm (23L/min) | SC-08-02 | 769-**** |  |
| DLUT | 2-Way, 2-Position Spool Valve | 8 gpm (30L/min) | SC-10-02 | 780-**** |  |
| RBUA | Bi-directional, Direct-acting Relief Valve | 20 gpm (80L/min) | SC-10-02 | - |  |
| RDUA | Direct-acting Relief Valve | 10 gpm (40L/min) | SC-10-02 | - |  |
| CSTT | Sun Common Cavity Shuttle Valve | 8 gpm (30L/min) | SC-08-03 | - |  |
| CXTA | Free-flow, Nose-to-Side Check Valve | 10 gpm (40L/min) | SC-08-02 | - |  |
| CXUT |
Free-flow, Nose-to-Side Check Valve | 16 gpm (64L/min) | SC-10-02 | - |  |
Common solutions for your unique applications
Built with the same quality and reliability you’re used to from Sun Hydraulics, these SC cavity valves will put the power to engineer optimized solutions for a broad range of hydraulic applications in the palm of your hands!