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Shenzhen Foreach Technology Co., Ltd.

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Home/Product Center/Valves/SV10 Solenoid Valves/SV10-M6/U28-2NO
FOREACH SV10-M6/U28-2NO 2-way normally open threaded miniature diaphragm solenoid valve

2-way normally open threaded miniature diaphragm solenoid valve with M6 or 1/4-28 UNF ports and 12 V or 24 V DC options, for reagent or wash-fluid lines that remain open when power is off

The SV10-M6/U28-2NO normally open 2-way valve keeps a reagent or wash-fluid line open when power is removed and closes it when energized, allowing the instrument to interrupt delivery as needed. The valve opens or closes the fluid path; a pump or pressure difference moves the liquid. Coil options are 12 V DC or 24 V DC.

Choose M6 or 1/4-28 UNF fittings to match the valve. Recommended thread engagement is 5 mm and tightening torque is 0.25–0.3 N·m. Use a suitable sealing washer at the bottom seal. EPDM, FKM or FFKM diaphragms and matching O-rings can be combined with the available valve-seat materials. Check all wetted parts against the actual reagents and wash fluids; a PFA seat or base plate requires separate configuration confirmation.

Typical Applications:

2-way solenoid valves for reagent on/off control, Power-off behavior: normally closed or normally open, Equipment integration: manifold or tubing connections

Model:This product is custom-made
Configuration family (not a complete ordering code)SV10-M6/U28-2NO
Valve structureRocker diaphragm valve
Ports and function2-way normally open (NO)
ConnectionM6 / 1/4-28 UNF
Operating pressure-75 kPa – 0.25 MPa
Orifice diameter1.4 mm
Chamber volume20 μL
Flow coefficient Cv0.03
Diaphragm and O-ring optionsEPDM / FKM / FFKM
Base platePEEK; PFA for threaded versions by configuration
Threaded valve-seat optionsPVDF / PTFE / PMMA / POM / PEEK; PFA by configuration
Rated voltageDC 12 / 24 V (±10%)
Standard power2.5 W
Power-saving circuitStart: 2.5 W; hold: ≤1 W
Standard response time≤15 ms, no load
Power-saving response time≤25 ms, no load
Ambient temperature0–50 °C
Fluid temperature0–50 °C, non-freezing
Coil insulationF
Weight39 g
Response test conditions25 °C, rated voltage, maximum operating pressure with air, common port pressurized. Response varies with fluid, pressure, tubing and temperature.

Typical Applications

2-way normally open threaded miniature diaphragm solenoid valve with M6 or 1/4-28 UNF ports and 12 V or 24 V DC options, for reagent or wash-fluid lines that remain open when power is off.

2-way solenoid valves for reagent on/off control

In an automated analyzer, a 2-way valve can open the reagent line for a dispensing step and close it afterwards. Choose NC when the connection must be closed without power, or NO when it must remain open.

Coordinate the valve with the pump and equipment program. The valve controls the connection; the pump and its operating sequence determine the amount delivered.

Power-off behavior: normally closed or normally open

The normally open valve is open when de-energized and closes when energized. Use it for fluid paths that must remain open when power is off. The valve controls the connection; a pump or pressure difference drives the liquid.

Equipment integration: manifold or tubing connections

Use the base-mounted version when combining valves on a fluidic manifold. Choose threaded connections for tube fittings, or barbed connections for flexible tubing.

Plan access for installation, tubing replacement and wiring. The three connection styles serve different layouts while retaining the same choices of 2-way or 3-way function.

Tell us about your application

Describe which liquid must flow at each step and what should happen when power is removed. Include the connection drawing, fluids, pressure, temperature, supply voltage and installation space.

Compare 2-way and 3-way solenoid valves

All SV10 solenoid valves
3-Way Manifold-Mount
3-Way Barbed
3-Way Threaded
2-Way Manifold-Mount
2-Way Barbed
2-Way Threaded
2-Way Manifold-Mount, Normally Open
2-Way Barbed, Normally Open

Datasheet not yet available

The datasheet for this product has not been uploaded yet.

Frequently Asked Questions

The normally open valve is open when de-energized and closes when energized. Use it for fluid paths that must remain open when power is off. The valve controls the connection; a pump or pressure difference drives the liquid.

Choose the valve according to what your equipment needs when power is removed. A normally closed solenoid valve closes the connection without power and opens it when energized. A normally open solenoid valve does the reverse. The SV10 series offers NC and NO options for its 2-way valves.

Provide the reagent and cleaning-fluid composition, concentration, temperature and contact time. Check all wetted parts together: diaphragm, O-rings, base plate and, on threaded versions, the valve seat. A material name alone does not establish compatibility with every fluid.

Yes. The SV10 series offers separate 12 V DC and 24 V DC versions, each with ±10% voltage tolerance. Select the coil for your equipment supply. Standard power is 2.5 W; the optional power-saving circuit uses 2.5 W at start and no more than 1 W while holding. Observe polarity: red positive, black negative.

Response is ≤15 ms for the standard version and ≤25 ms with the power-saving circuit under no-load test conditions at 25 °C, rated voltage and maximum operating air pressure applied to the common port. Actual timing varies with the circuit and fluid. FFKM diaphragms respond more slowly at temperatures of 15 °C or below.

Send the circuit diagram, 2-way or 3-way requirement, unpowered state, connection type, reagent and cleaning fluids, pressure, temperature and supply voltage. Include mounting space and cycle timing so we can match the connection, materials and power-saving option. The displayed models identify configuration families, not complete ordering codes. Confirm the operating state, voltage, diaphragm and other wetted materials, and power-saving option when ordering. M6 and U28 identify separate M6 and 1/4-28 UNF threaded versions.

Related Videos

SV10 Miniature Solenoid Valves: Product Overview

SV10

Related Technical Articles

What Is a Solenoid Valve? Operating Principles and 2-Way/3-Way Fluid Control

Follow the fluid path after energization to understand how 2-way and 3-way solenoid valves handle reagent dispensing and washing, and how they work with pumps and control programs.

2026-09-29View Details

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Configure your SV10 solenoid valve

Match the valve function, connection, wetted materials and voltage to your equipment.

Discuss your requirements