Pilot-operated, pistón balanceado alivio válvula assembly
Symbols
Port Headings and Sizes [ + ]
| Modifiers | Ports |
| CAL, /10, /11, /S, /S3 | Ports 1 & 2: SAE 12; |
Cartridge Technical Features [ + ]
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.
- Main stage orifice is protected by a 150-micron stainless steel screen.
- 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.
- 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.
- W and Y controls (where applicable) can be specified with or without a special setting. When no special setting is specified, the valve is adjustable throughout its full range using the W or Y control. When a special setting is specified, this setting represents the maximum setting of the valve.
- Corrosion resistant cartridge valves are intended for use in corrosive environments and are identified by the model code suffix /AP for external stainless steel components, or /LH for external zinc-nickel plated components. See the CONFIGURATION section for all options. For further details, please see the Materials of Construction page located under TECH RESOURCES.
- 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.
Cartridge Technical Data [ + ]
Notar: Los datos pueden variar según la configuración . Consulte la sección de CONFIGURATION
| cavidad | T-3A |
| Series | 2 |
| Capacity | 50 gpm200 L/min. |
| Maximum Operating Pressure | 5000 psi350 bar |
| Factory Pressure Settings Established at | 4 gpm15 L/min. |
| Maximum Valve Leakage at 110 SUS (24 cSt) | 3 in³/min.@1000 psi50 cc/min.@70 bar |
| Response Time - Typical | 10 ms10 ms |
| Adjustment - No. of CW Turns from Min. to Max. setting | 55 |
| 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 |
| Model Weight | .50 lb0,25 kg |
| Seal kit - Cartridge | Buna: 990203007 |
| Seal kit - Cartridge | EPDM: 990203014 |
| Seal kit - Cartridge | Polyurethane: 990003002 |
| Seal kit - Cartridge | Viton: 990203006 |
Manifold Technical Data [ + ]
| Body Type | montaje en líneamontaje en línea |
| Interface | NoneNone |
| Body Features | noventa gradosnoventa grados |
| Mounting Hole Diameter | .42 in.10,7 mm |
| Mounting Hole Depth | ThroughThrough |
| Mounting Hole Quantity | 11 |
| Open Cavities | 11 |
| cavidad | T-3A |
| Port Size | SAE 12SAE 12 |
CAD Files [ + ]
Symbol File Formats
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CAD File Formats
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Notes [ + ]
- For Series 1 cartridges configured with an O control (panel mount handknob), a .75 in. (19 mm) diameter hole is required in the panel.
- Important: Carefully consider the maximum system pressure. The pressure rating of the manifold is dependent on the manifold material, with the port type/size a secondary consideration. Manifolds constructed of aluminum are not rated for pressures higher than 3000 psi (210 bar), regardless of the port type/size specified.
Additional Resources [ + ]
Realces
- Get the relief you need. Adjustable. Ventable. Blockable. FLeX-ible.
- Sun Cartridges with EPDM Seals
- Standard Line Mount Manifolds for High Flow Valves
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- CE/TÜV Certified Pressure Relief Valves
- QuickDesign con SmartConnect Ofrece una Herramienta para Construir Esquemáticos
- 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
- Une Gamme de Blocs Standard à Tuyauter pour Nos Cartouches Haut Débit
Technical Tips
- Manufacturing Sun Cartridge Cavities (522.27 KB)
- Pressure Relief and Regulating Valves (655.91 KB)
Technical Information
- QuickDesign & SunDesign: Sun's 3- & 5-Axis Solutions
- Units of Measure, Settings, and Conversions
- Sun's Floating Style Screw-In Cartridge (1.06 MB)
- Cartridges: Materials of Construction
- Performance Data
- Manifolds: Materials of Construction
- Cavity Information (S-171) and Tooling
- Sun Model Code Explanation; 999-901-334 (343.9 KB)
- Custom Integrated Packages from Sun
- Fluid Recommendations: Oil Viscosity, Cleanliness & Temperature
- Removing Valves from Ductile Manifolds (73.96 KB)
- Pressure Equipment Directive 2014/68/EU