FLeX Series 4-way, 2-position, solenoid-operated directional spool valve
This FLeX Series solenoid-operated 4-way, 2-position cartridge is a direct-acting, balanced spool directional valve.
- This valve is direct actuated and requires no minimum hydraulic pressure for operation.
- Designed and tested to 10-million operational cycles at full-rated pressure.
- Exceeds new NFPA test standard T2.6.1 R2014 for fatigue and burst pressure ratings.
- Designed using CFD simulation for optimized geometries.
- All configurations of this valve include zinc-nickel plating as standard for 1000-hour salt fog protection.
- A FULL DATA SHEET is available for this model using the link at the top of the page.
- This valve utilizes a wet armature design. This means that the working fluid surrounds the armature and is exposed to the heat generated by the coil. This can be a factor if the coil is energized for long periods of time. Some fluids, notably water/glycol mixtures, break down at these temperatures over time and form varnishes that will affect the function of the cartridge.
- A wide variety of coil termination and voltage options are available, with and without surge protection. See the CONFIGURATION section.
- Coil connector options offer ratings up to IP69K. See individual coil product pages for details. Additional weatherized coils and kits are available for more complete environmental protection.
- 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.
|Capacity||4 gpm15 L/min.|
|Maximum Operating Pressure||5000 psi350 bar|
|Typical Valve Leakage at 110 SUS (24 cSt) - Except N Spool||4 in³/min.@5000 psi66 cc/min.@350 bar|
|Typical Valve Leakage at 110 SUS (24 cSt) - N Spool, Inlet on 3||7 in³/min.@5000 psi115 cc/min.@350 bar|
|Response Time - Typical||50 ms50 ms|
|Switching Frequency||15,000 max. cycles/hr15,000 max. cycles/hr|
|Solenoid Tube Diameter||.63 in.16 mm|
|Valve Hex Size||3/4 in.19,1 mm|
|Valve Installation Torque||25 - 30 lbf ft35 - 40 Nm|
|Model Weight||.65 lb0,30 kg|
|Seal kit - Cartridge||Buna: 990030007|
|Seal kit - Cartridge||Viton: 990030006|
|Seal and nut kit - Coil||Viton: 990740006|
There are exactly 250 Sun drops in a cubic inch or 15 in a cc.
Direct-acting valves are used to prevent over pressure, and pilot-operated valves are used to regulate pressure. If you are unsure, use a direct-acting valve. Sun's direct acting valves are very fast, dirt tolerant, stable, and robust. Sun's pilot-operated valves are moderately fast, they have a low pressure rise vs. flow curve, and they are easy to adjust.
Yes. All FLeX phase 1 valves are available in the SmartConnect schematic tool, and are also available for submittal to QuickDesign.
- Please verify cartridge clearance requirements when choosing a Sun manifold. Different valve controls and coils require different clearances.
- An additional 2.00 inches (50,8 mm) beyond the valve extension is needed for coil installation and removal.
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- Solenoid Operated Directional Valves Technical Tips
- QuickDesign with SmartConnect Offers Drag-and-Drop Schematic Tool
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- Sun's New FLeX Series Solenoid Valves & Coils
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- Our FLeX family of solenoid-operated valves is expanding
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- Manufacturing Sun Cartridge Cavities (522.27 KB)
- Fluid Recommendations: Oil Viscosity, Cleanliness & Temperature
- Cartridges: Materials of Construction
- Performance Data
- Units of Measure, Settings, and Conversions
- Cavity Information (S-171) and Tooling
- Sun's Floating Style Screw-In Cartridge (1.06 MB)
- Sun Model Code Explanation; 999-901-334 (343.9 KB)
- 747 Series Hazardous Location Coils - CSA Certificate of Complian (106.22 KB)
- 747 Series Hazardous Location Coils - IECEx Certificate of Confor (285.26 KB)
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