C O R P O RATI O N

hydraulic s

sunhydraulics.com/model/DTAF

DTAF

5000 psi (350 bar)

T-8A cavity

HIGH RELIABILITY

10 million on-o

operational cycles

LOW INTERNAL LEAKAGE

Less than one drop per minute

USE WITH ANY OF THREE COILS

Includes options for energy savings

& for hazardous locations

DTAF-*H*

DTAF-*C*

2WAY, DIRECTACTING,

SOLENOIDOPERATED DIRECTIONAL

BLOCKING POPPET VALVE

Normally Closed

Normally Open

Sun FLeX Series Solenoid Valves

TABLE OF CONTENTS

Valve Functionality 2

Technical Features 2

Model Congurations & Options 3

Technical Specications 4

Performance Curves 5

Dimensional Drawings 6

Cavity Drawings/Tooling 7

Additional Information 8

FLeX Series

z All FLeX Series valves incorporate the Sun oating-style construction to minimize the possibility of internal

parts binding due to excessive installation torque and/or cavity/cartridge machining variations.

z Designed and tested to 10 million on-o operational cycles.

z Meets new NFPA test standard T2.6.1 R2014 for fatigue and burst pressure ratings.

z Higher ow rates than competing valves of similar size.

z Extremely low leakage ‒ 0.004 in

(0.07 cc

)/min (1 drop/min)

z Designed using CFD uid simulation for optimized geometries.

z Zinc-nickel plating standard for 1000-hour salt fog protection.

z Direct actuated and requires no minimum hydraulic pressure for operation.

z Can be used to pilot larger Sun cartridge valves that have an integral T-8A control cavity.

z Available with a manual push-version override option.

z Suitable for load-holding applications when using the normally closed option. In the event of power failure,

the valve will close.

z A wide variety of coil termination and voltage options are available, with and without surge protection. See

the CONFIGURATION section.

z Normally closed DTAF valves can be used with any of the FLeX coils, which includes low-power, high-power

and explosion-proof coils. Normally open DTAF valves can be used with the high-power and explosion-

proof coils.

z Coil connector options oer ratings up to IP69K. See individual coil product pages for details.

TECHNICAL FEATURESS

DTAF

SERIES P, CAVITY: T-8A2WAY, DIRECTACTING, SOLENOIDOPERATED

DIRECTIONAL BLOCKING POPPET VALVE

The 2/2 directional poppet valves are direct acting and feature

a pressure-balanced design. Both ports can be loaded with an

operating pressure up to 5000 psi (350 bar). They comprise a

hex body (3), solenoid with coil (2), poppet (5), pin (4), spring

(6), and coil nut (1).

DTAF-*H* (normally open)

Function: When the coil (2) is de-energized, the spring (6)

holds the poppet (5) away from the seat (3), allowing bi-direc-

tional ow. When energized, the poppet is pushed into the

seat by the solenoid, and the valve is closed, blocking ow.

TECHNICAL FEATURES

DTAF-*C* (normally closed)

Function: When de-energized, the poppet (5) is pulled

against the valve seat (3) by the spring (6), closing the valve

and blocking ow. When energized, the solenoid with coil (2)

pushes the poppet o the seat and opens the valve, allowing

bi-directional ow.

PORT

FLeX Series

CONFIGURATIONS

Voltage

M20 x 1.5

180°

M20 x 1.5

90°

1/2” NPT

180°

1/2” NPT 90°

Wattage

@ 20°C

Circuitry

12 Vdc 747-JM12BD 747-JM12CD 747-JN12BD 747-JN12CD 29.6 W With diode

24 Vdc 747-JM24BD 747-JM24CD 747-JN24BD 747-JN24CD 29.9 W With diode

115 Vac 747-JM11BD 747-JM11CD 747-JN11BD 747-JN11CD 29.7 W Rectied

230 Vac 747-JM23BD 747-JM23CD 747-JN23BD 747-JN23CD 28.9 W Rectied

Voltage

DIN 43650 Form A

(IP65/IP67)

Deutsch DT04-2P

(IP69K)

Resistance @20°C

(ohms) ±10%

(with diode*)

TVS Diode (Nominal)

Breakdown Voltage

(with diode*)

High-Power Low-Power High-Power Low-Power

12 Vdc 740-212 740-212L 740-912 740-912L 5.8 ohms 68 Vdc

14 Vdc 740-214 740-214L 740-914 740-914L 7.8 ohms 68 Vdc

24 Vdc 740-224 740-224L 740-924 740-924L 23.0 ohms 68 Vdc

28 Vdc 740-228 740-228L 740-928 740-928L 31.4 ohms 68 Vdc

115 Vac 740-211 740-211L N/A N/A 416 ohms 250 Vac

230 Vac 740-223 740-223L N/A N/A 1686 ohms 400 Vac

* Above model codes are shown without transient voltage suppression (TVS) diodes.

To order FLeX coils with a TVS diode, append model code with “D” (Example: 740-212LD).

Sun cartridges have a base seven-digit part number. Each

of the digits in the sequence has signicance as shown in

the model code explanation below. Available options and

modiers for specic cartridges, manifolds, and valve packages

are shown on the individual product pages and data sheets. All

modiers are not applicable for every model.

747

Low- or high-power coils

DIN or Deutsch connector

12, 14, 24, or 28 Vdc

115, 230 Vac

With or without TVS diode

740

C N

74*

Hazardous location coils

Explosion-proof

CSA, ATEX, IECEx certied

12, 24 Vdc

115, 230 Vac

See individual coil data sheets for

full coil conguration.

Important Note:

When performing model code searches on www.sunhydraulics.com, do not

include setting(s). When ordering, no spaces or dashes are used.

MODEL CODE EXPLANATION

COMPATIBLE FLeX SERIES COILS

BASE MODEL CODE CONFIGURATIONS

VALVE

D T A F

‒

COIL

COIL TYPE

Directional

Poppet style

Series P

FLeX Series

N = Buna-N

V = Viton

C = normally closed

H = normally open

X = no manual override

M = manual override

* * * *

‒

CONFIGURATIONS

Low-Power (17-W) & High-Power (25-W) Coils

Hazardous Location, Explosion-Proof (30-W) Coils

Note that the normally closed version (DTAF-*C*) is compatible with both low- and high-power coils and the hazardous location

coils. The normally open version (DTAF-*H*) is compatible with the high-power coils and the hazardous location coils.

FLeX Series

TECHNICAL SPECIFICATIONS

Sun Cavity T-8A

Sun Cartridge Series Series P

Maximum Flow Rate/Capacity 7 gpm (26.5 L/min)*

Nominal Flow Rate/Capacity

Low-power coil (normally closed): 0.9 gpm (3.4 L/min)**

High-power coil (normally closed): 2.2 gpm (8.3 L/min)

High-power coil (normally open): 1.6 gpm (6.1 L/min)

Maximum Operating Pressure 5000 psi (350 bar)

Response Time - Typical 50 ms (open & close)

Maximum Internal Leakage at 110 SUS (24 cSt)

at 5000 psi (350 bar)

0.004 in

(0.07 cc

)/min (1 drop/min)

Switching Frequency (Maximum) 15,000 cycles/hour

Manual Override Option Yes

Viscosity Range 2,8 to 380 cSt or 35 to 2000 SUS

Filtration Minimum cleanliness (ISO 4406 1999, 4/6/14 μm) 19/17/14

Valve Hex Size 0.75 in (19,1 mm)

Valve Installation Torque 20‒25 lbf ft (27‒34 N-m)

Mounting Position No restrictions

Valve Weight (excluding coil) 5.6 oz (159 g)

Seal Kit - Viton 990-608-006

Seal Kit - Buna 990-608-007

* See performance curves on P 5 for more details.

** The low-power coil can be used only on the DTAF-*C* normally closed version of the valve.

DTAF

SERIES P, CAVITY: T-8A2WAY, DIRECTACTING, SOLENOIDOPERATED

DIRECTIONAL BLOCKING POPPET VALVE

FLeX Series

PERFORMANCE CURVES

TYPICAL PRESSURE DIFFERENTIAL VS. FLOW

PERFORMANCE LIMITS @15% UNDERVOLTAGE & STABILIZED COIL TEMP

DTAF-*C*

(Normally closed)

DTAF-*H*

(Normally open)

DTAF-*C* w/Low-Power Coil

(Normally closed)

DTAF-*C* w/High-Power Coil

(Normally closed)

Note: The DTAF-*H* normally open valve

cannot use the low-power coil.

DTAF-*H* w/High-Power Coil

(Normally open)

FLeX Series

DIMENSIONAL DRAWINGS

747 SERIES HAZARDOUS LOCATION COILS

90° CONNECTOR 180° CONNECTOR

DTAF WITH 740 SERIES LOW- & HIGH-POWER COILS

X CONTROL - 3.23 [82,0]

1.50 [38,0] HIGH POWER

1.22 [31,0] LOW POWER*

1.60 [40,6]

1.32 [33,5]

M CONTROL - 3.54 [89,9]

*LOW POWER COIL NOT COMPATIBLE WITH DTAF-*H*

DIN 43650 FORM A

CONNECTOR

DEUTSCH DT04-2P

CONNECTOR

PUSH MANUAL

OVERRIDE

* The low-power coil can be used only on the DTAF-*C* normally closed version of the valve.

NOTE: Please verify cartridge clearance requirements when choosing a Sun manifold. Dierent valve controls and coils require

dierent clearances. An additional minimum 2.0 in. (50,8 mm) beyond the valve extension is needed for coil installation and removal.

FLeX Series

DESCRIPTION HIGH-SPEED STEEL TITANIUM COATED

M16 X 1.5-6H tap, straight shank 998991 998991101

Series P deep hex socket 998100006

T-8A cavity form drill, morse taper 994008001 994008101

T-8A cavity form drill, straight shank 994008002 994008102

T-8A cavity form reamer, morse taper 995008001 995008101

T-8A cavity form reamer, straight shank 995008002 995008102

T-8A CAVITY TOOLING

T-8A CAVITY

T-8A CAVITY DIMENSIONAL DRAWING

T-8A CAVITY

LOCATING SHOULDER

PORT

LOCATING SHOULDER

NOTE: For cavity tooling, see table below.

For full cavity detail, download the latest

drawings from our website.

www.sunhydraulics.com/cavity/T-8A

STANDARD T-8A LINE-MOUNT & SANDWICH MANIFOLDS

Sun Hydraulics oers eight standard line-mount manifolds with T-8A cavity for the DTAF. These single-

cavity manifolds include in a range of port sizes and interfaces. The popular WFN model line-mount

90° manifold (shown at left) has a single cavity and SAE 4 ports.

In sandwich manifolds, we oer 11 standard single-cavity bodies based on the T-8A cavity, including

six with SAE 4 ports that include a range of ISO interfaces.

To search our complete line of more than 4000 standard manifolds, please visit our website:

www.SunHydraulics.com/models/manifolds.

T-8A-COMPATIBLE MAIN STAGE ELEMENTS

As a T-8A pilot stage cartridge, the DTAF can control any of Sun’s 95 main stage cartridges with integral T-8A cavities. Main stage

elements include relief, reducing, reducing/relieving, sequence, logic, directional and ow control functions. The combination of

the DTAF and one of these main stage elements delivers accurate, high-speed control at capacities up to 300 gpm (1,100 L/min).

To see all Sun main stage cartridges with integral T-8A cavity, visit our website: www.sunhydraulics.com. Use the “Cartridges”

navigation to go to any category of cartridges (or click on the main “Cartridges” navigation to see all cartridges). Once you are on

a product listing page, in the left column under “Descriptors,” choose “Integral T-8A control cavity.” This will lter the list and show

those cartridges that include the cavity.

DESCRIPTION PART NUMBER

Wire harness, 2-pin Deutsch-to-Metri-Pack Conversion 991-717

Wire harness, 2-pin Deutsch-to-Amp Jr Timer Conversion 991-718

Wire harness, 2-pin Deutsch-to-Twin-Lead Conversion 991-719

ACCESSORIES

Sun Hydraulics Headquarters

Sarasota, Florida USA

(1) 941 362 1200

suninfo@sunhydraulics.com

Sun Hydraulics Korea Corp.

Incheon Korea

+82 3281 31350

sales@sunhydraulics.co.kr

Sun Hydraulics Limited

Coventry England

+44 2476 217 400

sales@sunuk.com

Sun Hydraulics China Co. Ltd.

Shanghai P.R. China

+86 2151 162862

sunchinainfo@sunhydraulics.com

Sun Hydraulik GmbH

Erkelenz Germany

+49 2431 80910

sales@sunhydraulik.de

Sun Hydraulics Corp. (India)

Bangalore India

+91 8028 456325

sunindiainfo@sunhydraulics.com

Sun Hydraulics Corp. (S.America)

Rosario, Argentina

+54 9 341 584 3075

ventas@sunhydraulics.com

October 2017

ADDITIONAL INFORMATION

C O R P O RATI O N

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