SUN HYDRAULICS
RSJS8WN
$525.59 USD
- SUN HYDRAULICS
- Material:RSJS8WN
- Model:RSJS-8WN
- Summary:Cartridge
Quantity in stock: 0
***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 RSJS8WN (RSJS8WN) is a sophisticated, normally closed poppet valve featuring an integral pilot control cavity. This valve is designed with an external drain and a balanced poppet configuration, making it highly effective for pressure regulation applications. It accepts any T8A pressure control cartridge, allowing for precise control of the pressure differential between the inlet port 1 and the drain port 3. As the inlet pressure reaches the pilot control cartridge's setting, the poppet element modulates open towards port 2 to maintain desired pressure levels. The valve's design ensures insensitivity to back pressure at port 2 up to its set point, making it suitable as a replacement for two-port relief valves in systems with return line pressure. The RSJS8WN is part of a family of interchangeable three-port sequence cartridges that share common flow paths and cavities within their frame size. The valve incorporates a 150-micron stainless steel screen to safeguard its main stage orifice. Its construction allows for direct additive pressure at port 3 without exceeding 5000 psi (350 bar). Installation requires careful torque application for both the main stage and T8A pilot control valves. This model supports maximum pressures at port 2 and is ideal for cross-port relief circuits due to its robust design against cavitation-related issues like noise and manifold erosion. It features Sun's floating style construction to reduce risks of internal binding from excessive torque or machining variations. The RSJS8WN operates with a maximum capacity of 120 gpm (480 L/min) at pressures up to 5000 psi (350 bar), with typical response times around 2 ms. It ensures minimal leakage at reseat conditions and requires specific installation torques for optimal performance.
The Sun Hydraulics RSJS8WN (RSJS8WN) is a sophisticated, normally closed poppet valve featuring an integral pilot control cavity. This valve is designed with an external drain and a balanced poppet configuration, making it highly effective for pressure regulation applications. It accepts any T8A pressure control cartridge, allowing for precise control of the pressure differential between the inlet port 1 and the drain port 3. As the inlet pressure reaches the pilot control cartridge's setting, the poppet element modulates open towards port 2 to maintain desired pressure levels. The valve's design ensures insensitivity to back pressure at port 2 up to its set point, making it suitable as a replacement for two-port relief valves in systems with return line pressure. The RSJS8WN is part of a family of interchangeable three-port sequence cartridges that share common flow paths and cavities within their frame size. The valve incorporates a 150-micron stainless steel screen to safeguard its main stage orifice. Its construction allows for direct additive pressure at port 3 without exceeding 5000 psi (350 bar). Installation requires careful torque application for both the main stage and T8A pilot control valves. This model supports maximum pressures at port 2 and is ideal for cross-port relief circuits due to its robust design against cavitation-related issues like noise and manifold erosion. It features Sun's floating style construction to reduce risks of internal binding from excessive torque or machining variations. The RSJS8WN operates with a maximum capacity of 120 gpm (480 L/min) at pressures up to 5000 psi (350 bar), with typical response times around 2 ms. It ensures minimal leakage at reseat conditions and requires specific installation torques for optimal performance.
This valve is a normally closed poppet element that incorporates an integral pilot control cavity. It is externally drained, and is a balanced poppet design. The pilot control cavity will accept any T-8A pressure control cartridge. When the pressure at the inlet (port 1) reaches the pilot control cartridge's setting, the poppet element starts to open to port 2, throttling flow to regulate the pressure. The pilot cartridge's setting determines the difference in pressure between the inlet (port 1) and the drain (port 3). These valves are insensitive to back pressure at port 2, up to the valve setting. They may be used to regulate pressure in place of 2-port relief valves if there is pressure in the return line.
- All 3 port sequence cartridges are physically and functionally interchangeable (i.e. same flow path, same cavity for a given frame size).
- Pilot flow continues to increase as the pressure at port 1 (inlet), relative to the pressure at port 3 (drain), rises above the valve setting.
- The main stage orifice is protected by a 150 micron stainless steel screen.
- Pressure at port 3 is directly additive to the valve setting at a 1:1 ratio and should not exceed 5000 psi (350 bar).
- NOTE: 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.
- The -8 control option allows the pilot control valve to be incorporated directly into the end of the relief cartridge via the T-8A cavity. These pilot control cartridges are sold separately and include solenoid operation, air pilot operation, and hydraulic pilot operation. See Pilot Control Cartridges.
- Because the modulating occurs inside the cartridge these valves are immune to most of the problems associated with cavitation, namely noise and manifold erosion.
- Will accept maximum pressure at port 2; suitable for use in cross port relief circuits.
- 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-19A |
| Series | 4 |
| Capacity | 120 gpm480 L/min. |
| Maximum Operating Pressure | 5000 psi350 bar |
| Control Pilot Flow | 15 - 20 in³/min.0,25 - 0,33 L/min. |
| Response Time - Typical | 2 ms2 ms |
| Pilot Control Cavity | T-8AT-8A |
| Pilot Control Valve Installation Torque | 20 - 25 lbf ft27 - 33 Nm |
| Pilot Control Valve Hex Size | 7/8 in.22,2 mm |
| Main stage leakage at reseat | 10 drops/min.0,7 cc/min. |
| Valve Hex Size | 1 5/8 in.41,3 mm |
| Valve Installation Torque | 350 - 375 lbf ft474 - 508 Nm |
| Model Weight | 3.10 lb1,40 kg |
| Seal kit - Cartridge | Viton: 990-219-006 |
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Notes:
- Compound cartridge (pilot and main stage) assembly information is provided for reference only. Cartridges must be ordered separately and assembled at point of use.