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Selector Valve
Hydraulic selector valves route flow from a single supply line to one of two or more circuits, letting an operator pick which actuator or function gets oil without adding a second pump. A selector valve is defined by its number of working positions, rated flow in GPM, working pressure in PSI, port size, and whether it shifts by manual lever or solenoid. If you have an obsolete Cross SD4 or VS4 series valve and need a current match, send your specs for a cross-reference.
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Products
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Bestseller
Item SKU: 128140SVS2 Selector Valve, Cross Manufacturing #128140
$104.4149 Reviews -
Item SKU: 129024Cross SD4 Series Selector Valve SD4BALA4, 3/4" NPT Ports
$339.3122 Reviews -
Bestseller
Item SKU: 1V09341V0934 Cross 2 Position Detent Kit
$79.9018 Reviews -
Bestseller
Item SKU: 129027Cross SD4 Series Selector Valve SD4BALA6, 1" NPT Ports
$233.3413 Reviews -
Item SKU: 128100Cross VS4 Single Selector Valve, VS4BKLF6
$141.55 -
Item SKU: DSV-62-10-12-DEU
DSV-62-10-12-DEU Selector Valve – Versatile Hydraulic Control
$241.78 -
Item SKU: DSV-62-10-24-DIN
DSV-62-10-24-DIN Selector Valve – Versatile and Efficient Hydraulic Control
$241.78 -
Item SKU: 128030
Cross VS4 Single Selector Valve, VS4BALF7
$306.16 -
Item SKU: 128092
VS4 CROSS SINGLE SELECTOR VALVE, VS4BKLF8
$146.88 -
Item SKU: 129026
Cross SD4 Series Selector Valve, #12 SAE Ports
$398.43 -
Item SKU: DSV-62-08-24-DIN
DSV-62-08-24-DIN DC Selector Valve – Versatile Flow Control
$195.63 -
Item SKU: DSV-62-10-12-DIN
DSV-62-10-12-DIN Selector Valve – Versatile DC Valve for Hydraulic Systems
$241.78 -
Item SKU: 129333
Cross SD4 Series Selector Valve SD4BGBA6, 3/4" Solenoid
$1,105.19 -
Item SKU: 129900
Cross SD4 Selector Valve SD4BKLA4, 3/4" NPTF Ports
$295.75 -
Item SKU: 129925
Cross SD4 Selector Valve SD4BKLA6, 1″ NPTF Ports
$327.60 -
Item SKU: 128028
Cross VS4 Single Selector Valve, VS4BALF6
$304.33
How to Choose a Hydraulic Selector Valve
A selector valve has to match both the circuit it diverts and the actuators it feeds. Confirm these specs against your system before ordering:
- Rated flow (GPM): Match the valve to your pump output. Running flow above a valve's rating drives pressure drop and heat; undersizing starves the selected circuit.
- Working pressure (PSI): The valve's rating should meet or exceed your system relief setting, typically in the 2,000–3,000 PSI range for mobile and industrial circuits.
- Port size and thread: Verify inlet, outlet, and work-port sizes (commonly SAE or NPT) so the valve drops into your existing plumbing.
- Function and spool: Count the positions and the number of circuits you need to switch between, and confirm whether the center or rest condition should block or pass flow.
- Mount and actuation: Decide between manual lever and solenoid shift, and check the mounting pattern and envelope so the valve fits the available space.
Which Selector Valve Is Right for the Job?
Selector valves divert flow, but they are one part of a directional and control family. If you need full spool-controlled direction for a cylinder or motor rather than circuit switching, compare a Directional Control Valve Monoblock Style. To regulate speed once a circuit is selected, add a Flow Control Valve. To hold load and prevent reverse flow in a selected leg, pair the valve with In Line Check Valves. For high-pressure workholding and cylinder control circuits, review Enerpac Valves. To browse the full directional and control range, see all Hydraulic Valves.
Complete the System
A selector valve only performs as well as the components around it. Size your supply with the right Hydraulic Pumps so flow stays within the valve's rating, and match the diverted circuits to the Hydraulic Cylinders they drive. Connect everything with correctly rated Hydraulic Hoses and the matching Fittings so port threads and pressure ratings line up end to end.
Cross-Referencing an Obsolete Selector Valve
Northern Hydraulics has carried directional and control valves since 1963, and many fielded selector valves are discontinued Cross SD4 or VS4 series units. If your old valve is no longer listed, give us the legacy part number along with flow, pressure, port size, and actuation type, and we will work to identify a current equivalent that drops into the same circuit. Request a cross-reference.
Selector Valve – Frequently Asked Questions
What does a hydraulic selector valve do?
A selector valve directs flow from one supply line to one of two or more circuits, so a single pump can power different functions one at a time. The operator selects which circuit receives oil using a manual lever or a solenoid shift.
How do I select the right size selector valve?
Match the valve to your pump's flow in GPM and your system's working pressure in PSI, then confirm port size and thread so it fits your plumbing. Running flow above the valve's rating causes pressure drop and heat, so size with headroom rather than at the limit.
What pressure and flow are selector valves rated for?
Working pressure for selector valves used in mobile and industrial circuits commonly falls in the 2,000–3,000 PSI range, with flow ratings matched to the pump output. Always confirm the rated PSI meets or exceeds your relief valve setting, and check the listed GPM on the specific model.
What is the difference between a selector valve and a directional control valve?
A selector valve chooses which downstream circuit gets flow, while a directional control valve controls the direction of flow to extend or retract an actuator. If you need full spool-controlled direction for a cylinder or motor, compare a Directional Control Valve Monoblock Style.
Manual or solenoid selector valve — which should I use?
Use a manual lever valve when an operator is at the machine and switching is occasional, such as a Cross SD4 series unit. Choose a solenoid valve when you need electric or remote switching tied into a control system.
How do I keep the selected circuit from back-driving?
Pair the selector valve with In Line Check Valves to block reverse flow and hold load in the active leg. Add a Flow Control Valve if you also need to meter the speed of the selected circuit.
Can you cross-reference an obsolete Cross SD4 or VS4 selector valve?
Yes. Send the legacy part number along with flow, pressure, port size, and actuation type, and we will work to identify a current equivalent that fits the same circuit. Request a quote.
What else do I need to complete the valve assembly?
Most selector valve installs also need correctly rated Hydraulic Hoses and matching Fittings so port threads and pressure ratings line up. Confirm the supply pump and actuators are sized to the same flow and pressure as the valve.
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