Sun Cartridge Valve RDJA-LWN Low Pressure Loss Long Life High Reliability High Flow Capacity Fast Response

Description:

The Sun Cartridge Valve RDJA-LWN is a direct-acting, pressure-limiting valve manufactured by Sun Hydraulics. It is a normally closed, pressure-limiting valve primarily used to protect components in hydraulic systems from pressure transients. The valve design utilizes Sun Hydraulics' unique floating mechanism, which reduces installation torque sensitivity and prevents the possibility of seizure of internal moving parts. It offers a maximum flow rate of 760 L/min (200 gpm) and a maximum operating pressure of 350 bar (5000 psi). This valve is relatively insensitive to fluid temperature fluctuations and contamination, making it adaptable to diverse operating environments. It also features a fast response time, typically around 2 milliseconds, which is critical for applications requiring rapid pressure control.
 

Applications:

Construction Machinery: The RDJA-LWN valve is widely used in the hydraulic systems of construction machinery, such as excavators, loaders, and cranes. These devices may encounter pressure transients during operation. The RDJA-LWN valve effectively protects critical components such as hydraulic pumps, cylinders, and motors from damage caused by excessive pressure.
Construction Materials Machinery: The RDJA-LWN valve also plays a vital role in the hydraulic systems of construction materials machinery, such as concrete pump trucks and mixing plants. It ensures the stability of the hydraulic system under high pressure while protecting hydraulic components from pressure shocks.
Aerospace: In the aerospace sector, hydraulic systems must meet extremely high reliability and safety requirements. Due to its fast response and high-precision pressure control capabilities, the RDJA-LWN valve is used in aircraft landing gear systems and flight control surface actuation systems, ensuring the stable operation of these critical systems.
CNC Machine Tools: The hydraulic systems of CNC machine tools require precise pressure control to ensure machining accuracy and equipment reliability. The RDJA-LWN valve provides stable pressure control, protecting delicate components within the hydraulic system, such as hydraulic spindles and hydraulic clamps. Ceramic Factory Hydraulic Equipment: In hydraulic equipment in ceramic factories, such as brick presses and molding machines, the RDJA-LWN valve protects the hydraulic system from pressure transients, ensuring stability and reliability during high-pressure operation.
Steel Mill Hydraulic Equipment: In hydraulic equipment in steel mills, such as rolling mills and presses, the RDJA-LWN valve withstands high pressures and high-frequency pressure fluctuations, protecting critical components in the hydraulic system and improving equipment efficiency and service life.
 

Advantages:

High Reliability: The RDJA-LWN valve utilizes Sun Hydraulics' floating structure, which reduces sensitivity to installation torque and prevents the possibility of internal moving components seizing. These design features ensure high reliability even under harsh operating conditions, reducing equipment failures and downtime.
Fast Response: The RDJA-LWN valve has a fast response time, typically around 2 milliseconds. This rapid response allows the valve to react promptly to pressure changes, ensuring stability in the hydraulic system during pressure transients. This is crucial for applications requiring rapid pressure control, such as aerospace and CNC machine tools.

High Flow Capacity: The RDJA-LWN valve has a maximum flow rate of 760 L/min (200 gpm), meeting the demands of high-flow hydraulic systems. This high flow capacity makes the valve suitable for large hydraulic equipment and complex hydraulic systems, ensuring stable operation under high loads.

Low Pressure Loss: The RDJA-LWN valve's design optimizes the flow path and reduces pressure loss. This low pressure loss not only improves hydraulic system efficiency, but also reduces energy waste and lowers equipment operating costs.

Easy Installation and Maintenance: The RDJA-LWN valve features simple installation and threaded connections, making it easy to integrate into existing hydraulic systems. Furthermore, maintenance is extremely convenient; cleaning or inspecting the plug-in valve does not require changing the valve settings or disassembling any piping. This significantly reduces maintenance time and costs, increasing equipment availability.

Long Life: The RDJA-LWN valve's internal working components are heat-treated for high resistance to wear, impact, and fatigue, ensuring a long service life. Long life not only reduces the replacement cost of the equipment, but also improves the overall reliability of the equipment.

FAQ:

Q1: Wonder if you accept small orders?

A1: Do not worry. Feel free to contact us .in order to get more orders and give our clients more convener ,we accept small order.

Q2: Can you send products to my country?

A2: Sure, we can. If you do not have your own ship forwarder, we can help you.

Q3: What's your payment terms ?

A3: By T/T,LC AT SIGHT,100% full payment.

Q4: How long is your production lead time?

A4:It depends on product and order qty. Normally, it takes us 15 days for an order with MOQ qty.

Q5: When can I get the quotation ?

A5: We usually quote you within 24 hours after we get your inquiry. If you are very urgent to get the quotation.Please call us or tell us in your mail, so that we could regard your inquiry priority.