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DTAFS

2-way directional valve from Sun Hydraulics

Description

This FLeX Series, solenoid-operated 2-way, 2-position cartridge is a direct-acting directional poppet valve with a soft shift feature. 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.

This cartridge can be installed directly into a cavity in the end of many of Sun’s pilot operated and ventable valves to provide integrated pilot control.

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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.
  • Cartridge can be installed directly into a cavity in some Sun pilot operated and ventable cartridges to provide electrically operated pilot control functions. Separate pilot lines are eliminated and only one cavity needs to be machined to accommodate both the control and primary function.
  • 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).
  • 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.

Technical Data

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

Cavity T-8A
Series P
Capacity 7 gpm
Capacity (metric) 28 L/min.
Maximum Operating Pressure 5000 psi
Maximum Operating Pressure (metric) 350 bar
Maximum Valve Leakage at 110 SUS (24 cSt) 0.004 in³/min.@5000 psi
Maximum Valve Leakage at 110 SUS (24 cSt) (metric) 0,07 cc/min.@350 bar
Manual Override Force Requirement 10 lbs/1000 psi @ Port 1
Manual Override Force Requirement (metric) 66 N/100 bar @ Port 1
Viscosity Range 35 – 2000 SUS
Viscosity Range (metric) 2,8 – 380 cSt
Valve Hex Size 3/4 in.
Valve Hex Size (metric) 19,1 mm
Valve Installation Torque 20 – 25 lbf ft
Valve Installation Torque (metric) 27 – 33 Nm
Model Weight .40 lb
Model Weight (metric) 0,20 kg
U.S. Patent # 10,302,201
Seal kit – Cartridge Viton: 990608006
Seal and nut kit – Coil Viton: 990740006

Configuration Options

Poppet Configuration

C Normally Closed
H Normally Open

Seal Material

N Buna-N
V Viton
E EPDM

Coil

211 DIN 43650-Form A, 115 VAC
211L DIN 43650-Form A, 115 VAC, low power
212 DIN 43650-Form A, 12 VDC
212D DIN 43650-Form A, 12 VDC, with transient voltage suppression (TVS) diodes
212L DIN 43650-Form A, 12 VDC, low power
212LD DIN 43650-Form A, 12 VDC, low power with transient voltage suppression (TVS) diodes
214 DIN 43650-Form A, 14 VDC
214D DIN 43650-Form A, 14 VDC, with transient voltage suppression (TVS) diodes
214L DIN 43650-Form A, 14 VDC, low power
214LD DIN 43650-Form A, 14 VDC, low power with transient voltage suppression (TVS) diodes
223 DIN 43650-Form A, 230 VAC
223L DIN 43650-Form A, 230 VAC, low power
224 DIN 43650-Form A, 24 VDC
224D DIN 43650-Form A, 24 VDC, with transient voltage suppression (TVS) diodes
224L DIN 43650-Form A, 24 VDC, low power
224LD DIN 43650-Form A, 24 VDC, low power with transient voltage suppression (TVS) diodes
228 DIN 43650-Form A, 28 VDC
228D DIN 43650-Form A, 28 VDC, with transient voltage suppression (TVS) diodes
228L DIN 43650-Form A, 28 VDC, low power
228LD DIN 43650-Form A, 28 VDC, low power with transient voltage suppression (TVS) diodes
612 AMP Junior Timer, 12 VDC
612D AMP Junior Timer, 12 VDC, with transient voltage suppression (TVS) diodes
612L AMP Junior Timer, 12 VDC, low power
612LD AMP Junior Timer, 12 VDC, low power with transient voltage suppression (TVS) diodes
614 AMP Junior Timer, 14 VDC
614D AMP Junior Timer, 14 VDC, with transient voltage suppression (TVS) diodes
614L AMP Junior Timer, 14 VDC, low power
614LD AMP Junior Timer, 14 VDC, low power with transient voltage suppression (TVS) diodes
624 AMP Junior Timer, 24 VDC
624D AMP Junior Timer, 24 VDC, with transient voltage suppression (TVS) diodes
624L AMP Junior Timer, 24 VDC, low power
624LD AMP Junior Timer, 24 VDC, low power with transient voltage suppression (TVS) diodes
628 AMP Junior Timer, 28 VDC
628D AMP Junior Timer, 28 VDC, with transient voltage suppression (TVS) diodes
628L AMP Junior Timer, 28 VDC, low power
628LD AMP Junior Timer, 28 VDC, low power with transient voltage suppression (TVS) diodes
712 Twin Lead, 12 VDC
712D Twin Lead, 12 VDC, with transient voltage suppression (TVS) diodes
712L Twin Lead, 12 VDC, low power
712LD Twin Lead, 12 VDC, low power with transient voltage suppression (TVS) diodes
714 Twin Lead, 14 VDC
714D Twin Lead, 14 VDC, with transient voltage suppression (TVS) diodes
714L Twin Lead, 14 VDC, low power
714LD Twin Lead, 14 VDC, low power with transient voltage suppression (TVS) diodes
724 Twin Lead, 24 VDC
724D Twin Lead, 24 VDC, with transient voltage suppression (TVS) diodes
724L Twin Lead, 24 VDC, low power
724LD Twin Lead, 24 VDC, low power with transient voltage suppression (TVS) diodes
728 Twin Lead, 28 VDC
728D Twin Lead, 28 VDC, with transient voltage suppression (TVS) diodes
728L Twin Lead, 28 VDC, low power
728LD Twin Lead, 28 VDC, low power with transient voltage suppression (TVS) diodes
812 Metri-Pack, 12 VDC
812D Metri-Pack, 12 VDC, with transient voltage suppression (TVS) diodes
812L Metri-Pack, 12 VDC, low power
812LD Metri-Pack, 12 VDC, low power with transient voltage suppression (TVS) diodes
814 Metri-Pack, 14 VDC
814D Metri-Pack, 14 VDC, with transient voltage suppression (TVS) diodes
814L Metri-Pack, 14 VDC, low power
814LD Metri-Pack, 14 VDC, low power with transient voltage suppression (TVS) diodes
824 Metri-Pack, 24 VDC
824D Metri-Pack, 24 VDC, with transient voltage suppression (TVS) diodes
824L Metri-Pack, 24 VDC, low power
824LD Metri-Pack, 24 VDC, low power with transient voltage suppression (TVS) diodes
828 Metri-Pack, 28 VDC
828D Metri-Pack, 28 VDC, with transient voltage suppression (TVS) diodes
828L Metri-Pack, 28 VDC, low power
828LD Metri-Pack, 28 VDC, low power with transient voltage suppression (TVS) diodes
912 Deutsch DT04-2P, 12 VDC
912D Deutsch DT04-2P, 12 VDC, with transient voltage suppression (TVS) diodes
912L Deutsch DT04-2P, 12 VDC, low power
912LD Deutsch DT04-2P, 12 VDC, low power with transient voltage suppression (TVS) diodes
914 Deutsch DT04-2P, 14 VDC
914D Deutsch DT04-2P, 14 VDC, with transient voltage suppression (TVS) diodes
914L Deutsch DT04-2P, 14 VDC, low power
914LD Deutsch DT04-2P, 14 VDC, low power with transient voltage suppression (TVS) diodes
924 Deutsch DT04-2P, 24 VDC
924D Deutsch DT04-2P, 24 VDC, with transient voltage suppression (TVS) diodes
924L Deutsch DT04-2P, 24 VDC, low power
924LD Deutsch DT04-2P, 24 VDC, low power with transient voltage suppression (TVS) diodes
928 Deutsch DT04-2P, 28 VDC
928D Deutsch DT04-2P, 28 VDC, with transient voltage suppression (TVS) diodes
928L Deutsch DT04-2P, 28 VDC, low power
928LD Deutsch DT04-2P, 28 VDC, low power with transient voltage suppression (TVS) diodes
JM11BD Explosion Proof, Metric (M20 X 1.5), 115 VAC, 180 Degree, CSA and ATEX Certification
JM11CD Explosion Proof, Metric (M20 X 1.5), 115 VAC, 90 Degree, CSA and ATEX Certification
JM12BD Explosion Proof, Metric (M20 X 1.5), 12 VDC, 180 Degree, CSA and ATEX Certification
JM12CD Explosion Proof, Metric (M20 X 1.5), 12 VDC, 90 Degree, CSA and ATEX Certification
JM23BD Explosion Proof, Metric (M20 X 1.5), 230 VAC, 180 Degree, CSA and ATEX Certification
JM23CD Explosion Proof, Metric (M20 X 1.5), 230 VAC, 90 Degree, CSA and ATEX Certification
JM24BD Explosion Proof, Metric (M20 X 1.5), 24 VDC, 180 Degree, CSA and ATEX Certification
JM24CD Explosion Proof, Metric (M20 X 1.5), 24 VDC, 90 Degree, CSA and ATEX Certification
JN11BD Explosion Proof, 1/2 inch NPT mechanical conduit, 115 VAC, 180 Degree, CSA and ATEX Certification
JN11CD Explosion Proof, 1/2 inch NPT mechanical conduit, 115 VAC, 90 Degree, CSA and ATEX Certification
JN12BD Explosion Proof, 1/2 inch NPT mechanical conduit, 12 VDC, 180 Degree, CSA and ATEX Certification
JN12CD Explosion Proof, 1/2 inch NPT mechanical conduit, 12 VDC, 90 Degree, CSA and ATEX Certification
JN23BD Explosion Proof, 1/2 inch NPT mechanical conduit, 230 VAC, 180 Degree, CSA and ATEX Certification
JN23CD Explosion Proof, 1/2 inch NPT mechanical conduit, 230 VAC, 90 Degree, CSA and ATEX Certification
JN24BD Explosion Proof, 1/2 inch NPT mechanical conduit, 24 VDC, 180 Degree, CSA and ATEX Certification
JN24CD Explosion Proof, 1/2 inch NPT mechanical conduit, 24 VDC, 90 Degree, CSA and ATEX Certification
Cavity: T-8A
Nominal Capacity: 7 gmp (28 lpm)
Downloads
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Possible variants

DTAFSCN, DTAFSHN, DTAFSCV, DTAFSHV, DTAFSCE, DTAFSHE

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