Sun Hydraulics Directional Blocking Poppet Valve - (740 Series) - Solenoid-operated- Direct-acting - 2-Way - DTDFMCN

Features
 • This solenoid-operated 2-way, 2-position cartridge is a direct-acting, poppet-style directional valve
 • The valve is available in either a normally open or normally closed configuration and is designed to be used with 740 and 747 Series coils
 • Due to the poppet style construction, this valve has extremely low leakage
 • The solenoid tube assembly is fatigue rated for 5000 psi (350 bar) service
 • This valve is direct actuated and requires no minimum hydraulic pressure for operation
 • 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
 • All configurations of this valve include zinc-nickel plating as standard for 1000-hour salt fog protection
 • Coil connector options offer ratings up to IP69K
 • See individual coil product pages for details
 • This cartridge utilizes both 740 Series high-power and 747 Series hazardous location coils
 • This valve is suitable for load holding applications when using the Normally Closed option
 • In the event of power failure, the valve will spring closed
 • This cartridge has an option for manual override
 • See the CONFIGURATION section
 • Valves exhibit extremely low leakage rates; less than 10 drops/min
 • @ 5000 psi (0,7 cc/min @ 350 bar)
 • 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
 • 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', "The solenoid's unique magnetic design results in a high efficiency solenoid, yielding high spool actuating force per Watt expended, leading to reliable valve shifting", 'Coils can be mounted on the tube in either direction
 • 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

Specifications

 • Cavity :- T-13A
 • Series :- 1
 • Capacity :- 10 gpm40 L/min.
 • Maximum Operating Pressure :- 5000 psi350 bar
 • Maximum Valve Leakage at 110 SUS (24 cSt) :- 10 drops/min.@5000 psi0,7 cc/min.@350 bar
 • Manual Override Force Requirement :- 5 lbs/1000 psi @ Port 133 N/100 bar @ Port 1
 • Manual Override Stroke :- .10 in.2,5 mm
 • 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 :- 7/8 in.22,2 mm
 • Valve Installation Torque :- 30 - 35 lbf ft41 - 47 Nm
 • Model Weight :- 0.54 lb.0.24 kg.
 • Seal kit - Cartridge :- Buna: 990413007
 • Seal kit - Cartridge :- Polyurethane: 990413002
 • Seal kit - Cartridge :- Viton: 990413006

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