USASI/ISO:
SYMBOLS
1.094.1
SV12-28 Poppet, 2-Way, N.C., Bi-Directional Blocking
PERFORMANCE (Cartridge Only)
1
2
DESCRIPTION
A solenoid-operated, two-way, normally closed, internally piloted, poppet-type,
bi-directional blocking, screw-in hydraulic cartridge valve, designed for low leakage
in load-holding applications.
OPERATION
When de-energized, the SV12-28 blocks fl ow in both directions. When energized, the
valve’s poppet opens on its seat, allowing fl ow from
➁ to ➀ or ➀ to ➁.
FEATURES
• Continuous-duty rated coil.
• Optional coil voltages and terminations.
• Effi cient wet-armature construction.
• Manual Override option.
• Cartridges are voltage interchangeable.
• Optional waterproof E-Coils rated up to IP69K.
• Hardened seat for long life and low leakage.
• Unitized, molded coil design.
• Cost-effective cavity.
RATINGS
Operating Pressure: 240 bar (3500 psi)
Flow: 113.6 lpm (30 gpm)
Internal Leakage: 7 drops per minute maximum at 240 bar (3500 psi)
Temperature: -40 to 120°C with standard Buna seals
Coil Duty Rating: Continuous from 85% to 115% of nominal voltage
Response Time: First indication of change of state with 100% voltage supplied at
80% of nominal fl ow rating: Energized: 40 msec.; De-energized: 32 msec.
Initial Coil Current Draw at 20°C: Standard Coil: 1.67 amps at 12 VDC;
0.18 amps at 115 VAC (full wave rectifi ed).
E-Coil: 1.7 amps at 12 VDC; 0.85 amps at 24 VDC
Minimum Pull-in Voltage: 85% of nominal at 240 bar (3500 psi)
Filtration: See page 9.010.1
Fluids: Mineral-based or synthetics with lubricating properties at viscosities of
7.4 to 420 cSt (50 to 2000 sus); See Temperature and Oil Viscosity, page 9.060.1
Installation: No restrictions; See page 9.020.1
Cavity: VC12-2; See page 9.112.1
Cavity Tool: CT12-2XX; See page 8.600.1
Seal Kit: SK12-2X-M; See page 8.650.1
Coil Nut: Part No. 7004400
For E-Coils manufactured prior to 1-1-04, see page 3.400.1 for coil nut info.
5.5/80
6.9/100
8.3/120
9.7/140
4.1/60
2.8/40
1.4/20
22.7
6
45.4
12
68.1
18
90.8
24
FLOW lpm/gpm
PRESSURE DROP bar/psi
➀ to ➁ or ➁ to ➀
32 cSt/150 sus oil at 40°C
113.6
30
SOLENOID VALVES
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SV12-28
DIMENSIONS
1.094.2
TORQUE -
35 ft-lbs
(47.4 Nm)
max.
1.62
41.1
1.84
DIA.
46.7
0.45
11.4
E-Coil
View
Standard
Coil View
2.38
60.5
MATERIALS
Cartridge: Weight: 0.25 kg.
(0.55 lbs.) Steel with hardened
work surfaces. Zinc-plated
exposed surfaces. Buna N
O-rings and polyester elastomer
back-up standard.
Standard Ported Body: Weight:
0.57 kg. (1.25 lbs.) Anodized high-
strength 6061 T6 aluminum alloy,
rated to 207 bar (3000 psi). Ductile
iron bodies available; dimensions
may differ. See page 8.012.1.
Standard Coil: Weight: 0.27 kg.
(0.60 lbs.); Unitized thermoplastic
encapsulated, Class H high
temperature magnetwire;
See page 3.200.1.
E-Coil: Weight: 0.41 kg. (0.9 lbs.);
Fully encapsulated with rugged
external metal shell. Rated up to
IP69K with integral connectors.
Note: See page 3.400.1 for all
E-Coil retrofi t applications.
TO ORDER
SV12-28__ - __ __ __ - __ - __ __ __ __ __
Option
None
(Blank)
Manual Override M
Manual Override Y
Manual Override J
For Manual Override options
see page 1.001.1
Porting
Cartridge Only 0
SAE 10 10T
SAE 12 12T
SAE 16 16T
3/4 in. BSP* 6B
1 in. BSP* 8B
*BSP Body; U.K. Mfr. Only
Seals
Buna N (Std.) N
Fluorocarbon V
Termination (VDC)
Std. Coil
DS Dual Spades
DG DIN 43650
DL Leadwires (2)
DL/W Leads w/Weatherpak
®
Connectors
DR Deutsch DT04-2P
Termination (VAC)
Std. Coil
AG DIN 43650
AP 1/2 in. Conduit
Termination (VDC)
E-Coil
ER Deutsch DT04-2P
(IP69K Rated)
EY Metri-Pack
® 150
(IP69K Rated)
Coils with internal diode are
available. Consult factory.
E-Coil
10 10 VDC
12 12 VDC
20 20 VDC
24 24 VDC
Voltage
Std. Coil
0 Less Coil**
10 10 VDC
†
12 12 VDC
24 24 VDC
36 36 VDC
48 48 VDC
24 24 VAC
115 115 VAC
230 230 VAC
**Includes Std. Coil Nut
†
DS, DW or DL
terminations only.
®
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