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Model

DTBFXCN

Control
Poppet Configuration
Seal Material
Coil

FLeX Series 2-way, direct-acting, solenoid-operated directional blocking poppet valve

Cavity: T-162A | Capacity:

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Model

DTBFXCN

Control
Poppet Configuration
Seal Material
Coil

Technical specifications

This FLeX Series, solenoid-operated 2-way, 2-position cartridge is a direct-acting directional poppet valve. Available in either normally open or normally closed configurations, these valves feature a pressure-balanced design, low leakage, and allow flow or blocking in both directions.

  • Suitable for load-holding applications when configured as Normally Closed. In the event of power failure, the valve will close.
  • 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.
  • Higher flow rates than competing valves of similar size.
  • Designed using CFD simulation for optimized geometries.
  • All configurations of this valve include zinc-nickel plating as standard for 1000-hour salt fog protection.
  • Normally Closed configuration can be used with any of the 740 Series coils, which include low-power, high-power, and 747 Series explosion-proof coils. Normally Open configuration can be used with the high-power and explosion proof coils only.
  • Coil connector options offer ratings up to IP69K. See individual coil product pages for details.
  • This valve is available with a manual push-type override option.
  • This valve exhibits extremely low leakage - 0.004 in3 (0,07 cc)/min (1 drop/min).
  • On models equipped with the D or L control, the detent mechanism in the manual override is meant for temporary actuation. The D, L and T manual control assemblies have a mechanical life expectancy of approximately 7,000 cycles.
  • A FULL DATA SHEET is available for this model using the link at the top of the page.
  • A wide variety of coil termination and voltage options are available, with and without surge protection. See the CONFIGURATION section.
  • 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
  • Series
  • Capacity
    9 gpm
  • Maximum Operating Pressure
    5000 psi
  • Maximum Valve Leakage at 110 SUS (24 cSt)
    0.004 in³/min.@5000 psi
  • Viscosity Range
    35 - 2000 SUS
  • Response Time - Typical
    50 ms
  • Switching Frequency
    15,000 max. cycles/hr
  • Valve Hex Size
    3/4 in.
  • Valve Installation Torque
    20 - 25 lbf ft
  • Model Weight
    5.6 oz.
  • Seal and nut kit - Coil
  • Seal kit - Cartridge
  • Seal kit - Cartridge
  • U.S. Patent #
    10,302,201

Model CAD Files

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Symbol CAD Files

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  • What parts of the Sun cartridge valve are field serviceable?
  • Why is the minimum opening pressure (bias spring pressure) on pilot-operated FLeX cartridges lower than competitor product?
  • What is the flow performance limit of pilot-operated FLeX cartridges?
  • What is the difference between nominal and maximum flow capacity?
  • Do FLeX valves utilize a floating nose design?
  • Is the FLeX program available in QuickDesign SmartConnect?
  • How big is a drop of hydraulic oil?  
  • Direct acting or pilot operated - what do I use?
  • 991283 740 Series momentary/twist operation, manual override control kit, T control
  • 991284 740 Series detent/lock operation, manual override control kit, L control
  • 991285 740 Series dual twist/lock operation, manual override control kit, D control
  • 991301 740 Series, red momentary/twist operation, manual override control kit, T control
  • 991302 740 Series, red detent/lock operation, manual override control kit, L control
  • 991303 740 Series, red dual twist/lock operation, manual override control kit, D control
  • 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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