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DMDAS

3-way directional valve from Sun Hydraulics

Description

This solenoid-operated 3-way, 2-position cartridge is a direct-acting, balanced spool directional valve.

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  • The soft shift cartridge is interchangeable with the standard cartridge, however, the performance limits are lower.
  • The soft shift feature can reduce shock due to valve actuation but should not be counted upon in applications where timing is critical. If you need accurate ramping or timing control, consider Sun’s electro-proportional valves.
  • The soft shift feature results in an increase in response time over Sun’s standard solenoid. Response time is dependent on flow, pressure, coil voltage, oil viscosity and ambient temperature.
  • For consistent soft shift performance, port 1 should be at a positive pressure.
  • This valve includes a push-type manual override control. Other manual control options such as T or D, cannot be ordered with the soft shift control but can be installed easily in the field. See Twist/Lock Manual Override link above for details. Please note: Manual override functionality is not compatible with weatherized coils.
  • The solenoid tube assembly is fatigue rated for 5000 psi (350 bar) service.
  • 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.
  • 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.
  • 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.
  • 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.

Technical Data

Note: Data may vary by configuration. See CONFIGURATION section.

Cavity T-11A
Series 1
Capacity 5 gpm
Capacity (metric) 20 L/min.
Maximum Operating Pressure 5000 psi
Maximum Operating Pressure (metric) 350 bar
Maximum Valve Leakage at 110 SUS (24 cSt) 5 in³/min.@3000 psi
Maximum Valve Leakage at 110 SUS (24 cSt) (metric) 80 cc/min.@210 bar
Manual Override Force Requirement 5 lbs/1000 psi @ Port 1
Manual Override Force Requirement (metric) 33 N/100 bar @ Port 1
Manual Override Stroke .10 in.
Manual Override Stroke (metric) 2,5 mm
Solenoid Tube Diameter .75 in.
Solenoid Tube Diameter (metric) 19 mm
Valve Hex Size 7/8 in.
Valve Hex Size (metric) 22,2 mm
Valve Installation Torque 30 – 35 lbf ft
Valve Installation Torque (metric) 41 – 47 Nm
Model Weight 0.61 lb.
Model Weight (metric) 0.28 kg.
Seal kit – Cartridge Viton: 990411006

Configuration Options

Spool Configuration

A ★ Normally Open 1 to 2, Closed 2 to 3
N ★ Normally Open 2 to 3, Closed 1 to 2
B Normally Open 1 to 2, Closed 2 to 3, Closed Transition
P Normally Open 1 to 3, Closed 1 to 2
R Normally Open 2 to 3, Closed 1 to 2, Closed Transition

Seal Material

N ★ Buna-N
V Viton
E EPDM

Material/Coating

/LH Mild Steel, Zinc-Nickel

Spool Configuration

EMB {with embedded driver}

Coil

211 DIN 43650-Form A, 115 VAC
212 DIN 43650-Form A, 12 VDC
212N DIN 43650-Form A, 12 VDC, no transient voltage suppression (TVS) diodes
214 DIN 43650-Form A, 14 VDC
214N DIN 43650-Form A, 14 VDC, no transient voltage suppression (TVS) diodes
223 DIN 43650-Form A, 230 VAC
224 DIN 43650-Form A, 24 VDC
224N DIN 43650-Form A, 24 VDC, no transient voltage suppression (TVS) diodes
228 DIN 43650-Form A, 28 VDC
2E12V DIN 43650-Form A, programmable via IR link coil/power saver, 12 VDC
2E24V DIN 43650-Form A, programmable via IR link coil/power saver, 24 VDC
4E12V Deutsch DT04-6P, programmable via IR link coil/power saver, 12 VDC
4E24V Deutsch DT04-6P, programmable via IR link coil/power saver, 24 VDC
812 Metri-Pack, 12 VDC
912 Deutsch DT04-2P, 12 VDC
912N Deutsch DT04-2P, 12 VDC, no transient voltage suppression (TVS) diodes
914 Deutsch DT04-2P, 14 VDC
914N Deutsch DT04-2P, 14 VDC, no transient voltage suppression (TVS) diodes
924 Deutsch DT04-2P, 24 VDC
924N Deutsch DT04-2P, 24 VDC, no transient voltage suppression (TVS) diodes
928 Deutsch DT04-2P, 28 VDC
HN24AA Explosion Proof, 1/2 inch NPT mechanical conduit, 24 VDC, 10 feet twin lead, ATEX Certification Ex mb IIC T3 Gb.
HN24AB Explosion Proof, 1/2 inch NPT mechanical conduit, 24 VDC, 10 feet twin lead, CSA Certification
Cavity: T-11A
Nominal Capacity: 20 lpm (5 gpm)
Downloads
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Possible variants

DMDASNN, DMDASAN, DMDASBN, DMDASNN, DMDASRN, DMDASPN, DMDASNV, DMDASAV, DMDASBV, DMDASNV, DMDASRV, DMDASPV, DMDASNE, DMDASAE, DMDASBE, DMDASNE, DMDASRE, DMDASPE, DMDA-SNN, DMDA-SAN, DMDA-SBN, DMDA-SNN, DMDA-SRN, DMDA-SPN, DMDA-SNV, DMDA-SAV, DMDA-SBV, DMDA-SNV, DMDA-SRV, DMDA-SPV, DMDA-SNE, DMDA-SAE, DMDA-SBE, DMDA-SNE, DMDA-SRE, DMDA-SPE

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