Core Features
The ODE Solenoid Valve 5315A0V25 is an ultra-compact, high-precision 2/2-way normally closed direct-acting solenoid valve, engineered for micro-flow control of industrial gases, neutral liquids, and weak corrosive fluids in precision automation systems that demand fast response speed, zero-differential pressure operation, and broad media compatibility. It is ideally suited for applications such as analytical instrument fluid path regulation, medical device reagent delivery, small pneumatic actuator pilot control, and laboratory sample processing that require stable on-off switching under low-pressure and high-precision working conditions.
Belonging to ODE’s 53 series of miniature direct-acting solenoid valves, it features an 15A0V25 core valve body configuration optimized for micro-flow media transmission (flow coefficient Cv = 0.08) with minimal pressure loss and structural compactness. The direct-acting design eliminates the need for a pilot mechanism, enabling reliable operation even under zero-differential pressure conditions, which is critical for low-pressure system start-up and precision flow control. The normally closed (NC) structure ensures the valve blocks media flow when de-energized, preventing unintended leakage and improving system safety; when energized, the solenoid core directly drives the valve seat to open, realizing fast on-off switching of micro-flow media. The high-strength stainless steel valve body combined with PTFE internal sealing components offers superior corrosion resistance and broad media compatibility, suitable for neutral gases, deionized water, and weak corrosive liquids commonly used in precision instrumentation scenarios.
Following ODE’s standardized product naming convention, the model code 5315A0V25 corresponds to key technical attributes:
53: Series designation, miniature 2/2-way direct-acting solenoid valve for micro-flow, high-precision control applications
15: Valve core and performance code, optimized for ultra-fast response and zero-differential pressure operation
A0: Material and sealing code, indicating stainless steel valve body and PTFE sealing components for corrosion resistance and chemical compatibility
V25: Coil voltage and interface code, indicating DC24V low-power coil and mini DIN 43650 A electrical connector for compact system integration
This valve is a 2/2-Way Normally Closed Direct-Acting Solenoid Valve (solenoid de-energized: valve closed, media flow cut off; solenoid energized: solenoid core drives valve seat open, media flows through the valve). It is optimized for industrial and laboratory precision micro-flow control systems, delivering consistent performance and long service life in standard indoor working conditions.
Key Performance Specifications
Parameter Details
Valve Type 2/2-Way Normally Closed Direct-Acting Solenoid Valve
Flow Coefficient (Cv) 0.08
Maximum Operating Pressure 6 bar (compressed air/gas), 4 bar (neutral liquid)
Minimum Operating Pressure 0 bar (zero-differential pressure operation supported)
Working Medium Compressed air, nitrogen, deionized water, weak corrosive liquids, neutral industrial fluids
Medium Temperature Range -10°C to +80°C (freezing prohibited to avoid valve core damage)
Ambient Temperature Range -5°C to +55°C (non-condensing humidity ≤ 85%)
Pressure Drop ≤ 0.04 bar (at nominal flow rate and 2 bar inlet pressure)
Response Time Opening: ≤ 4 ms; Closing: ≤ 2 ms (at rated DC24V & 1 bar inlet pressure)
Cycle Frequency Up to 550 cycles per minute (continuous cyclic operation)
Leakage Rate ≤ 0.0003 mL/min (liquid, de-energized position, bubble test)
Reset Mode Spring-return normally closed (fail-safe closure when power is cut off)
Electrical Specifications
Parameter Details
Solenoid Coil Voltage DC24V (±10% tolerance, low-power energy-saving configuration)
Coil Power Consumption 0.6 W (nominal)
Insulation Class Class B (130°C maximum coil temperature, suitable for compact enclosure environments)
Protection Class IP65 (coil housing; dust-tight, water-resistant for indoor precision equipment installation)
Electrical Interface Mini DIN 43650 A connector, compatible with micro industrial control cables
EMC Compliance Meets IEC 61000-6-2 standards for industrial electromagnetic compatibility
Coil Service Life ≥ 32 million cycles (continuous operation under rated conditions)
Additional Protection Built-in reverse polarity protection to prevent coil burnout from incorrect wiring
Mechanical Specifications
Parameter Details
Connection Type G1/16 inch BSPP metric threaded ports (male thread, ultra-compact design)
Valve Body Material Stainless steel (316L) for enhanced corrosion resistance and structural rigidity
Internal Sealing Material Polytetrafluoroethylene (PTFE) seals, optimized for micro-flow media compatibility and low leakage
Core Components 15A0V25 2/2-way direct-acting valve core + DC24V low-power solenoid coil + spring-return mechanism + PTFE sealing assembly
Mounting Type Pipe-mounted (direct connection to G1/16 pipelines), compatible with miniature pipe clamps for stability
Weight 0.03 kg (valve body + solenoid coil assembly)
Operating Orientation Any orientation (no impact on performance due to direct-acting design)
Installation & Matching Requirements
System Compatibility
Designed for integration with low-pressure, micro-flow precision industrial and laboratory control systems (≤ 6 bar for gas, ≤ 4 bar for liquid) requiring fast on-off control; ensure the working medium is clean and free of solid particles (particle size ≤ 5 μm, install a micro-filter upstream for optimal valve life); verify compatibility with the target medium (gas/liquid/weak corrosive liquid) before commissioning to leverage the PTFE seal’s broad media compatibility; use standard G1/16 inch threaded pipelines and fittings rated for ≥ 8 bar to match the valve’s performance and minimize system pressure loss; confirm the medium and ambient temperature ranges align with specifications to avoid seal deformation or valve core malfunction.
Electrical Connection Requirements
Use standard low-voltage DC24V micro cables to connect the mini DIN 43650 A solenoid coil connector; match the connector pinout to the control system microcontroller or PLC output module; ensure correct polarity connection to avoid triggering reverse polarity protection; maintain the power supply voltage stability (±10% of rated DC24V) to maintain response time accuracy and operation consistency; route the control signal cables separately from high-current power cables by at least 1 cm to avoid electromagnetic interference; tighten the connector lock nut securely to maintain IP65 waterproof protection; configure the control system with overcurrent protection to prevent coil burnout during long-term cyclic operation.
Mounting Requirements
The pipeline connection surface must be flat, clean, and free of burrs (surface roughness ≤ Ra 1.6 μm) to ensure secure installation and prevent media leakage; use a torque wrench to tighten pipeline connection nuts to 1.5 N·m to avoid thread damage during installation; maintain a minimum clearance of 2 cm around the valve for coil heat dissipation and maintenance access; avoid installing the valve near high-temperature heat sources exceeding 80°C or in areas with strong vibration to extend service life; ensure the valve inlet and outlet are correctly connected according to the flow direction marking (arrow on valve body) to avoid reverse flow and valve damage.
Maintenance Requirements
Inspect solenoid coil connectors and wiring every 12 months for oxidation, loose connections, or insulation damage to ensure stable DC24V power supply and fast valve response; check the valve body and pipeline connections for leakage every 3 months using a bubble test, retightening nuts or replacing gaskets if necessary; clean the upstream micro-filter screen every 1 month to prevent particle clogging of the 15A0V25 valve core, maintaining nominal flow rate and operation stability; verify the spring-return normally closed fail-safe function every 6 months by cutting off power and checking valve closure tightness; replace PTFE internal seals every 5 years (or after 28 million cycles) to maintain ultra-low leakage rate and reliable sealing performance under micro-flow conditions; disassemble and clean the valve core and spring mechanism every 24 months using neutral cleaning agent to remove accumulated debris, ensuring smooth on-off switching and reset; inspect the 316L stainless steel valve body for corrosion every 12 months and polish with anti-corrosion paste if signs of rust appear.
Environmental Protection
Suitable for indoor precision equipment environments due to IP65 protection class and 316L stainless steel valve body design; avoid long-term exposure to strong acid/alkali media or high-concentration corrosive gases that may damage the valve body and PTFE seals; store the valve in a dry, ventilated area (10–30°C) with protective packaging when not in use to prevent seal hardening or coil moisture damage; dispose of replaced components (especially PTFE seals and valve core parts) in accordance with local environmental regulations for industrial waste; ensure proper disposal of DC24V low-power coil components to comply with electrical waste regulations.