SUN HYDRAULICS
RPITCWV
$367.13 USD
- SUN HYDRAULICS
- Material:RPITCWV
- Model:RPIT-CWV
- 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 RPITCWV (RPITCWV) is a pilot-operated, anti-shock relief cartridge designed to limit maximum system pressure and the rate of pressure rise, providing essential protection for hydraulic systems. This valve is particularly effective in managing pressure transients caused by sudden load changes, making it ideal for applications involving variable displacement pumps and hydrostatic drives. The RPITCWV opens when the inlet port 1 pressure exceeds the threshold setting, diverting flow to tank port 2 and allowing the pilot section to move forward at a steady rate. This movement compresses the pilot spring until a mechanical stop is reached, achieving maximum relief setting. The valve's construction allows it to accept maximum pressure at port 2, making it suitable for cross-port relief circuits but not for load-holding applications. Its design incorporates Sun's floating style construction to minimize internal binding risks due to installation torque or machining variations. The RPITCWV also features a unique capability where back pressure on tank port 2 adds directly to the valve setting at a 1:1 ratio. With a cavity size of T-16A and Series 3 capacity of up to 100 gpm (380 L/min), this valve operates at pressures up to 5000 psi (350 bar). It has a typical response time of 2 ms and a pressure ramp-up time between 300-500 ms. The adjustment screw allows for an increase in setting with approximately 4.5 clockwise turns. The valve has specific installation requirements with a hex size of 1-1/4 inches (31.8 mm) and an installation torque ranging from 150-160 lbf ft (203-217 Nm). It weighs approximately 1 lb (0.45 kg) and uses Viton seal kits for optimal performance in various hydraulic applications.
The Sun Hydraulics RPITCWV (RPITCWV) is a pilot-operated, anti-shock relief cartridge designed to limit maximum system pressure and the rate of pressure rise, providing essential protection for hydraulic systems. This valve is particularly effective in managing pressure transients caused by sudden load changes, making it ideal for applications involving variable displacement pumps and hydrostatic drives. The RPITCWV opens when the inlet port 1 pressure exceeds the threshold setting, diverting flow to tank port 2 and allowing the pilot section to move forward at a steady rate. This movement compresses the pilot spring until a mechanical stop is reached, achieving maximum relief setting. The valve's construction allows it to accept maximum pressure at port 2, making it suitable for cross-port relief circuits but not for load-holding applications. Its design incorporates Sun's floating style construction to minimize internal binding risks due to installation torque or machining variations. The RPITCWV also features a unique capability where back pressure on tank port 2 adds directly to the valve setting at a 1:1 ratio. With a cavity size of T-16A and Series 3 capacity of up to 100 gpm (380 L/min), this valve operates at pressures up to 5000 psi (350 bar). It has a typical response time of 2 ms and a pressure ramp-up time between 300-500 ms. The adjustment screw allows for an increase in setting with approximately 4.5 clockwise turns. The valve has specific installation requirements with a hex size of 1-1/4 inches (31.8 mm) and an installation torque ranging from 150-160 lbf ft (203-217 Nm). It weighs approximately 1 lb (0.45 kg) and uses Viton seal kits for optimal performance in various hydraulic applications.
Pilot-operated, anti shock relief cartridges limit maximum system pressure and also limit the rate of pressure rise. The valve opens and then ramps closed at a constant speed, independent of settings and flows. The adjust screw determines the maximum (relief) setting and the minimum (threshold) setting.
- All 2-port relief cartridges (except pilot reliefs) are physically and functionally interchangeable (same flow path, same cavity for a given frame size).
- Will accept maximum pressure at port 2; suitable for use in cross port relief circuits.
- Not suitable for use in load holding applications.
- When pressure at the inlet (port 1) exceeds the threshold setting, the valve opens to tank (port 2). The pilot section moves forward at a steady rate, increasing the setting by compressing the pilot spring. Maximum setting is achieved when the pilot section reaches a mechanical stop.
- Valve provides protection for pumps and motors from pressure transients due to sudden load changes, especially variable displacement pumps, since the displacement mechanism is sometimes too slow to catch these pressure transients.
- Valve provides protection for hydrostatic drives by reducing the jerk caused by sudden reversals. The valve is suitable for cross-port applications.
- When used with a switching device, the valve can provide the ramp characteristic typically provided by proportional valves.
- Small power units can be started against an anti shock relief to provide longer pump life.
- Back pressure on the tank port (port 2) is directly additive to the valve setting at a 1:1 ratio.
- 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-16A |
| Series | 3 |
| Capacity | 100 gpm380 L/min. |
| Factory Pressure Settings Established at | 4 gpm15 L/min. |
| Maximum Operating Pressure | 5000 psi350 bar |
| Control Pilot Flow | 10 - 25 in³/min.0,16 - 0,41 L/min. |
| Response Time - Typical | 2 ms2 ms |
| U.S. Patent # | 6,039,0706,039,070 |
| Pressure Ramp Up Time | 300 - 500 ms300 - 500 ms |
| Adjustment - Number of Clockwise Turns to Increase Setting | 4.54.5 |
| Valve Hex Size | 1 1/4 in.31,8 mm |
| Valve Installation Torque | 150 - 160 lbf ft203 - 217 Nm |
| Adjustment Screw Internal Hex Size | 5/32 in.4 mm |
| Locknut Hex Size | 9/16 in.15 mm |
| Locknut Torque | 80 - 90 lbf in.9 - 10 Nm |
| Model Weight | 1.00 lb0,45 kg |
| Seal kit - Cartridge | Viton: 990-316-006 |
Show FAQ
Additional Resources
- Tri-Grip Handknob Now Offered From Sun as a Standard Control Option
- QuickDesign with SmartConnect Offers Drag-and-Drop Schematic Tool
- Sun Introduces 'Hybrid' Valves
- CE/TÜV Certified Pressure Relief Valves
- Pressure Relief and Regulating Cartridge Valve Technical Tips
- Pilot Operated, Balanced Poppet Relief Valves
- Sun Expands Corrosion-Resistant Solutions
- Sun Offers Zinc-Nickel Plating for Corrosion Resistance
- Sun Cartridges with EPDM Seals
- Series 4 PLUS Cartridges Offer Higher Flows with Lower Pressure Losses
- Pilot-Operated, Balanced Poppet, Anti Shock Reliefs
- CavitySaver multi-function valves deliver single-cartridge solutions
- 'Soft' Relief Eliminates Pressure Spikes
- Manufacturing Sun Cartridge Cavities
- Pressure Relief and Regulating Valves
- Sun's Floating Style Screw-In Cartridge
- Units of Measure, Settings, and Conversions
- Cavity Information (S-171) and Tooling
- Sun Model Code Explanation; 999-901-334
- Cartridges: Materials of Construction
- Fluid and Temperature Recommendations
- Performance Data
Notes:
- Patents: US#6,039,070; Germany EP 1 001 197; Japan #3,119,230
- Patents: US#6,039,070; Germany EP 1 001 197; Japan #3,119,230