SUN HYDRAULICS
RVETCBV
$205.70 USD
Tags:
- SUN HYDRAULICS
- Material:RVETCBV
- Model:RVET-CBV
- 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 RVETCBV (Material Number: RVETCBV) is a ventable, pilot-operated, anti-shock relief cartridge designed to limit maximum system pressure and control the rate of pressure increase. This versatile 3-port valve features a vent port that allows for remote control by other pilot or 2-way valves. The adjust screw on the valve sets both the maximum relief and minimum threshold settings, making it adaptable for various applications. The valve's design ensures immunity to cavitation-related issues such as noise and manifold erosion. It is capable of handling a maximum pressure at port 2, making it suitable for cross-port relief circuits, though not recommended for load-holding applications. When pressure at inlet port 1 surpasses the threshold setting, the valve opens to tank port 2, with the pilot section moving forward steadily to compress the pilot spring until a mechanical stop is reached. This mechanism offers protection in hydrostatic drives by reducing sudden reversals' jerkiness and providing ramp characteristics when used with switching devices. The valve supports small power units starting against an anti-shock relief to extend pump life. Additionally, back pressure on tank port 2 directly adds to the valve setting at a 1:1 ratio. The RVETCBV incorporates Sun's floating style construction, minimizing internal parts binding risks due to excessive installation torque or machining variations. It has a capacity of 30 gpm (120 L/min) and operates at pressures up to 5000 psi (350 bar). With a typical response time of 2 ms and adjustable settings through clockwise turns of up to 4.5 rotations, this cartridge valve provides reliability and precision in hydraulic systems requiring controlled pressure modulation.
The Sun Hydraulics RVETCBV (Material Number: RVETCBV) is a ventable, pilot-operated, anti-shock relief cartridge designed to limit maximum system pressure and control the rate of pressure increase. This versatile 3-port valve features a vent port that allows for remote control by other pilot or 2-way valves. The adjust screw on the valve sets both the maximum relief and minimum threshold settings, making it adaptable for various applications. The valve's design ensures immunity to cavitation-related issues such as noise and manifold erosion. It is capable of handling a maximum pressure at port 2, making it suitable for cross-port relief circuits, though not recommended for load-holding applications. When pressure at inlet port 1 surpasses the threshold setting, the valve opens to tank port 2, with the pilot section moving forward steadily to compress the pilot spring until a mechanical stop is reached. This mechanism offers protection in hydrostatic drives by reducing sudden reversals' jerkiness and providing ramp characteristics when used with switching devices. The valve supports small power units starting against an anti-shock relief to extend pump life. Additionally, back pressure on tank port 2 directly adds to the valve setting at a 1:1 ratio. The RVETCBV incorporates Sun's floating style construction, minimizing internal parts binding risks due to excessive installation torque or machining variations. It has a capacity of 30 gpm (120 L/min) and operates at pressures up to 5000 psi (350 bar). With a typical response time of 2 ms and adjustable settings through clockwise turns of up to 4.5 rotations, this cartridge valve provides reliability and precision in hydraulic systems requiring controlled pressure modulation.
Ventable, 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. These 3 port valves include a vent port (port 3) that connects between the main piston and the pilot stage to provide for remote control by other pilot or 2-way valves. The adjust screw determines the maximum (relief) setting and the minimum (threshold) setting.
- 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.
- A remote pilot relief on port 3 (vent) will control the valve below its own setting.
- 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 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.
- The main stage orifice is protected against contamination.
- 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-2A |
| Series | 2 |
| Capacity | 30 gpm120 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 | 200 - 400 ms200 - 400 ms |
| Adjustment - Number of Clockwise Turns to Increase Setting | 4.54.5 |
| Valve Hex Size | 1 1/8 in.28,6 mm |
| Valve Installation Torque | 45 - 50 lbf ft61 - 68 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 |
| Seal kit - Cartridge | Viton: 990-402-006 |
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Additional Resources
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- 'Soft' Relief Eliminates Pressure Spikes
- Manufacturing Sun Cartridge Cavities
- Pressure Relief and Regulating Valves
- Cavity Information (S-171) and Tooling
- Sun Model Code Explanation; 999-901-334
- Cartridges: Materials of Construction
- Fluid and Temperature Recommendations
- Performance Data
- Sun's Floating Style Screw-In Cartridge
- Units of Measure, Settings, and Conversions
Notes:
- Patents are pending for this product.