DESCRIPTION
A high pressure, proportional, solenoid-operated, 3-way, normally-closed, flow
control, screw-in hydraulic cartridge valve intended for post-compensated applications
with load-sense systems. In post-compensated systems, the load-sense port 1 of the
HSPEC12-30A valve is connected to the highest load, which maintains flow sharing
when flow demand exceeds flow supply. Pressure compensation value of the valve
defined as pressure difference between inlet and load sense ports is provided by
appropriate setup of a pump load sense control or by additional pressure compensa-
tor valve, one for the whole system, in case the pump is non-adjustable.
OPERATION
When de-energized, the HSPEC12-30A blocks flow from port 3 to port 2. The valve
will regulate flow out of port 2 regardless of load pressure with flow rate proportional to
current applied to the solenoid.
FEATURES
• Integral post-compensator. • Uses "A" type linear metering poppet.
• Integral load sense. • Manual override option.
• Reduced manifold space claim. • E-Coils rated up to IP69K.
• Continuous-duty rated coils. • Flow sharing possible.
• All HyPerformance™ valves are tested to the rigorous standards of NFPA specifica-
tion T2.6.1 and are tested at a verfication level of 90% and an assurance of 99%.
RATINGS
Operating Pressure: 350 bar (5075 psi); 10% cycle life; 420 bar (6090 psi)
Note: All HyPerformance™ products are tested for 900K cycles at 350 bar and
100K at 420 bar.
Proof Pressure: 690 bar (10000 psi)
Burst Pressure: 1380 bar (20000 psi)
Flow Rating: 68 lpm (18 gpm) at 150 psi (10.3 bar) compensation value
Internal Leakage: Port 3 to port 2 or port 1 to port 2: 7 drops/minute with 350 bar
(5075 psi) at port 3 or port 1.
Operating Temperature: -54° to 107°C (-65° to 225° F) with urethane seals
Installation: No restrictions; See page 9.020.1
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
Cavity: HVC12-3; See page 9.112.1
Cavity Tool: HCT12-3; See page 8.600.1
Seal Kit: HSK12-3U-0; See page 8.650.1
HSPEC12-30A Proportional Flow Control Valve
ISO SYMBOL
2.319.1
PERFORMANCE (Cartridge Only)
HYDRAFORCE
.com
®
ELECTRO-PROPORTIONAL VALVES - FLOW CONTROL
PRESSURE DROP vs. FLOW
Port 3 to 2, 12V Coil, 100 Hz PWM
10.3 bar (150 psi) Compensation Value
32 cSt/150 sus oil at 40°C (104°F)
17.2/250
10.3/150
3.4/50
6.9/100
13.8/200
PRESSURE DROP bar/psi
FLOW lpm/gpm
0 19
5.0
38
10.0
57
15.0
76
20.0
95
25.0
20.7/300
FLOW VS. CURRENT
10.3 bar (150 psi) Compensation Value
310 bar (4500 psi) Load at Port 2
12V Coil, 100 Hz PWM
75.7/20
68.1/18
37.8/10
22.7/6
CURRENT mA
FLOW lpm/gpm
0 200 400 600 800 1000 1200
1400
60.6/16
53.0/14
45.5/12
30.3/8
15.1/4
7.6/2
DIMENSIONS
HSPEC12-30A
2.319.2
TO ORDER
Cartridge: Weight: (without coil and
nut): 0.32 kg. (0.70 lbs.); With
Manual Override: 0.33 kg. (0.72
lb.) Steel with hardened work
surfaces. Zinc-plated
exposed surfaces. PPDI
urethane seals without back-up
rings standard.
10-Size E-Coil: Weight: 0.41 kg.
(0.9 lbs.); Fully encapsulated
with rugged external metal shell.
Rated up to IP69K with integral
connectors. See page 3.400.1.
Ported Body: Weight: 4.05 kg.
(8.93 lb.) H-series ductile iron
standard. Rated to 345 bar
(5000 psi). See page 8.012.1.
MATERIALS
®
HYDRAFORCE
HYDRAFORCE
.com
®
ORIFICE DISCS SHOULD NOT
COIL MUST BE INSTALLED
WITH LETTERING UP
BE USED WITH THIS PRODUCT.
ACROSS
FLATS
TORQUE:
115 to 125 ft-lbs
156 to 170 Nm
2.89
73.4
3.31
84.1
1.31
33.3
1.84
46.7
1.62
41.1
53.8
82.6
101.6
29.2
8.6
92.1
4.8
101.6
50.8
63.5
1.15
3.63
0.19
4.00
3.25
2.12
4.00
2.00
2.50
0.34
2
3
1
DIA.
66.1
2.60
ACROSS
FLATS
TORQUE:
5 to 7 ft-lbs
7 to 10 Nm
‘T’-Type
Manual Override
H-Series Ductile
Iron Body shown
0.75
19.1
HSPEC12-30A - __ - __ __ - __ - __ __ __ __
Porting
Cartridge Only 0
SAE 12 12HT
Seals
PPDI urethane U
Voltage
0 Less Coil**
12 12 VDC
24 24 VDC
For Coils with Zener Diode, add “/Z” to option code.
For example: “ER/Z”. Not available on all models.
See coil option info. on pages 3.200.1 & 3.400.1
Coil Termination E-Coil
Deutsch DT04-2P ER (IP69K)
Metri-Pack
®
150 EY (IP69K)
Dual Lead Wires EL (IP69K)
Amp Jr. Timer EJ (IP67)
DIN 43650 EG (IP65)
with Integral Post-Compensator
Options
None Blank
Manual Override T
Note: PPDI Urethane seals are recommended for
operating pressures above 241 bar (3500 psi).
Note: Consult factory for additional seal options.
