SUN HYDRAULICS
RELIEF
RPCCKQN
$66.20
- SUN HYDRAULICS
- Material:RPCCKQN
- Model:RPCC-KQN
- Summary:Cartridge
Quantity in stock: 0
Pilot-operated, balanced-piston relief cartridges are normally closed pressure regulating valves. When the pressure at the inlet (port 1) reaches the valve setting, the valve starts to open to tank (port 2), throttling flow to regulate the pressure. These valves are accurate, have low pressure rise vs. flow, they are smooth and quiet, and are moderately fast.
- 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. If used in cross port relief circuits, consider spool leakage.
- Minimum setting is 75 psi (5 bar) for all spring ranges.
- Not suitable for use in load holding applications due to spool leakage.
- 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.
- Cartridges configured with EPDM seals are for use in systems with phosphate ester fluids. Exposure to petroleum based fluids, greases and lubricants will damage the seals.
- 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-162A |
Series | 0 |
Capacity | 12 gpm45 L/min. |
Factory Pressure Settings Established at | 4 gpm15 L/min. |
Maximum Operating Pressure | 5000 psi350 bar |
Response Time - Typical | 10 ms10 ms |
Maximum Valve Leakage at 110 SUS (24 cSt) | 2 in³/min.@1000 psi30 cc/min.@70 bar |
Adjustment - Number of Clockwise Turns to Increase Setting | 55 |
Valve Hex Size | 3/4 in.19,1 mm |
Valve Installation Torque | 20 - 25 lbf ft27 - 33 Nm |
Adjustment Screw Internal Hex Size | 5/32 in.4 mm |
Locknut Hex Size | 1/2 in.12,7 mm |
Locknut Torque | 80 - 90 lbf in.9 - 10 Nm |
Model Weight | .20 lb0,10 kg |
Seal kit - Cartridge | Viton: 990-162-006 |
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Additional Resources
- 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
- 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
- Pressure Relief and Regulating Valves
- Manufacturing Sun Cartridge Cavities
- Performance Data
- 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