
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
| Configuration family (not a complete ordering code) | SV10-M6/U28-2NO |
|---|---|
| Valve structure | Rocker diaphragm valve |
| Ports and function | 2-way normally open (NO) |
| Connection | M6 / 1/4-28 UNF |
| Operating pressure | -75 kPa – 0.25 MPa |
| Orifice diameter | 1.4 mm |
| Chamber volume | 20 μL |
| Flow coefficient Cv | 0.03 |
| Diaphragm and O-ring options | EPDM / FKM / FFKM |
| Base plate | PEEK; PFA for threaded versions by configuration |
| Threaded valve-seat options | PVDF / PTFE / PMMA / POM / PEEK; PFA by configuration |
| Rated voltage | DC 12 / 24 V (±10%) |
| Standard power | 2.5 W |
| Power-saving circuit | Start: 2.5 W; hold: ≤1 W |
| Standard response time | ≤15 ms, no load |
| Power-saving response time | ≤25 ms, no load |
| Ambient temperature | 0–50 °C |
| Fluid temperature | 0–50 °C, non-freezing |
| Coil insulation | F |
| Weight | 39 g |
| Response test conditions | 25 °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
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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.
Configure your SV10 solenoid valve
Match the valve function, connection, wetted materials and voltage to your equipment.