Editorial Technical Reference

Solenoid Valve

This page explains how Solenoid Valve is classified within Machinery and Equipment Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

An electromechanically operated valve that controls the flow of gas in a Gas Control System.

Representative product image. Confirm appearance and specifications with the manufacturer.

Product Specifications

Technical details and manufacturing context for Solenoid Valve

Definition
A solenoid valve is a critical component within a Gas Control System that uses an electric current through a solenoid coil to generate a magnetic field, which actuates a plunger or armature to open or close the valve orifice, thereby precisely starting, stopping, or regulating the flow of gas to downstream equipment or processes. This product is a part-level component intended for integration into larger systems, not a standalone device. It is available in configurations with port sizes from 1/8 to 1 inch (NPT or G thread options), flow coefficients (Cv) from 0.5 to 5.0, and operating pressures from 1.0 to 1.6 MPa. The proof pressure is 2.4 MPa (1.5 times maximum operating pressure). Operating temperature ranges from -40 to 85 °C, with NBR seals limiting the high end. Response time is 10 to 30 ms at rated pressure. Coil voltage is 24 V DC ±10% (per IEC 60038), with power consumption of 5 to 10 W (inrush vs. holding). IP ratings range from IP54 to IP65 (per IEC 60529). Body materials include brass, stainless steel (grades 304 to 316 per ASTM A276), and PTFE for seals. Seal materials range from NBR to FKM (per ASTM D2000). Weight varies from 0.5 to 2.5 kg depending on port size. These values are directory reference ranges; actual specifications must be confirmed with the legal manufacturer or supplier for the specific model and application. The product is not certified or compliant solely by listing these standards; they serve as procurement and verification references.
Working Principle
When de-energized, a spring or fluid pressure holds the valve in its default position (normally open or normally closed). Applying an electrical current to the solenoid coil creates a magnetic field that moves a ferromagnetic plunger against the spring force. This movement opens or closes the main valve orifice, allowing or blocking gas flow. Removing the current de-energizes the coil, and the spring returns the plunger to its default position. The valve's response time, typically 10-30 ms, depends on the coil voltage and system pressure. The operating pressure range is 1.0-1.6 MPa. The proof pressure of 2.4 MPa verifies structural integrity. The valve's IP rating (IP54-IP65) indicates protection against dust and water, with IP65 suitable for outdoor use. The coil voltage (24 V DC ±10%) and power consumption (5-10 W) define electrical requirements. The body and seal materials (e.g., brass, stainless steel, NBR, FKM) determine compatibility with the gas media and environmental conditions.
Common Materials
Brass, Stainless Steel, PTFE (Seals)
Technical Parameters
ParameterTypical rangeNotes & selection driver
Port Size1/8–1 inchNPT or G thread options
Flow Coefficient (Cv)0.5–5.0 CvHigher Cv for larger ports
Proof Pressure2.4 MPa1.5 times max operating pressure
Operating Temperature-40–85 °CNBR seal limits at high end
Response Time10–30 msOpening/closing at rated pressure
Coil Voltage24 ±10% V DCOther voltages on requestIEC 60038
Power Consumption5–10 WInrush vs holding
IP RatingIP54–IP65IP65 for outdoor useIEC 60529
Body Material304–316 SS316 for corrosive mediaASTM A276
Seal MaterialNBR–FKMFKM for high tempASTM D2000
Weight0.5–2.5 kgDepends on port size

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM
  • Solenoid Coil Part
    Converts electrical energy into a magnetic field to actuate the plunger.
    Material: Copper Wire, Epoxy Encapsulation
  • Plunger/Armature Part
    Ferromagnetic core moved by the magnetic field to open/close the valve seat.
    Material: Carbon Steel, Stainless Steel
  • Valve Body
    Houses internal components and provides connection ports for gas piping.
    Material: Brass, Stainless Steel
  • Seal/Diaphragm Part
    Creates a leak-tight seal between the plunger and valve seat or within the body.
    Material: NBR, EPDM, PTFE, FKM (Viton)
  • Spring Part
    Returns the plunger to its default position when the coil is de-energized.
    Material: Stainless Steel

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: 0 to 10 bar (max operating pressure)
flow rate: 0.1 to 100 L/min (Cv dependent)
temperature: -40°C to +85°C
response time: 10 to 100 ms (depending on size and voltage)
Media Compatibility
✓ Natural gas ✓ Compressed air ✓ Inert gases (e.g., nitrogen, argon)
Unsuitable: Corrosive or abrasive slurries with high particulate concentration
Sizing Data Required
  • Required flow rate (Cv/Kv value)
  • Operating pressure differential (ΔP)
  • Media temperature and viscosity

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Coil Burnout
Cause: Overvoltage, excessive heat from continuous duty cycling, or insulation degradation due to moisture/contamination leading to short circuits.
Spool/Plunger Sticking
Cause: Contaminant buildup (particles, sludge) in fluid lines, wear debris from internal components, or corrosion due to incompatible media/moisture ingress.
Maintenance Indicators
  • Audible buzzing or humming from the coil without valve actuation, indicating electrical issues or mechanical binding.
  • Visible fluid leakage around solenoid housing or fittings, suggesting seal degradation or physical damage.
Engineering Tips
  • Install upstream filtration (e.g., 10-micron filter) and ensure fluid compatibility to prevent contamination-induced wear and sticking.
  • Implement preventive coil resistance checks and thermal monitoring to detect insulation breakdown early, and use surge protection on electrical supply.

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
ISO 5599-1: Pneumatic fluid power - Five-port directional control valves - Part 1: Mounting interface surfaces without electrical connector ANSI/FCI 70-2: Control Valve Seat Leakage DIN EN 175301-803: Detail specification - Solenoid valves for industrial use

Quoted from the published standard.

Manufacturing Precision
  • Valve seat leakage: ≤ 0.01% of rated flow at maximum pressure differential
  • Solenoid coil resistance: ±10% of nominal value at 20°C
Quality Inspection
  • Pressure decay leak test (bubble test) for seat and body seals
  • Functional cycle test (minimum 1 million cycles) under rated pressure and voltage

Manufacturers of Solenoid Valve

12 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

Zhejiang FONHO Automotive Co., Ltd.
Taizhou, Zhejiang, CN
Founded 2009200+ staff17,000 m²
IATF 16949:2016
Also makes: Air Dryer, Fuel Filter, Hydraulic Filter and 3 more
Managed by the manufacturer
Listed on the company's own website
Hydraflu Hydraulic Co.
Shanghai, CN
CE
Listed on the company's own website · profile compiled by CNFX from public sources
JOCHAMP
Rui'an, Zhejiang, CN
Founded 2005
CE ISO9001 SGS
Listed on the company's own website · profile compiled by CNFX from public sources
Skysorter
Anhui, CN
CE
Listed on the company's own website · profile compiled by CNFX from public sources
AKS Pneumatic Components Co., Ltd.
Zhejiang, CN
Listed on the company's own website · profile compiled by CNFX from public sources
CAS GYW COLD CHAIN SYSTEM (JIANGSU) CO.,LTD.
Shanghai, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Chinadrip Irrigation Equipment (Xiamen) Co., Ltd.
Xiamen, Fujian, CN
Listed on the company's own website · profile compiled by CNFX from public sources
CYCO Nozzles
Guangdong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Fescolo Pneumatic Co., Ltd.
Ningbo, Zhejiang, CN
Listed on the company's own website · profile compiled by CNFX from public sources
GEYA
Zhejiang, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Hearken Flow
Tianjin, CN
Also makes: Butterfly Valve, Ball Valve, Pneumatic Actuator and 9 more
Listed on the company's own website · profile compiled by CNFX from public sources
HEBAI
Zhejiang, CN
Listed on the company's own website · profile compiled by CNFX from public sources
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Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

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Frequently Asked Questions

What are the available port sizes and connection types?

The port sizes range from 1/8 to 1 inch, with NPT or G thread options. The specific thread type and size must be confirmed for the intended application.

What is the operating pressure range and why is it important?

The operating pressure range is 1.0 to 1.6 MPa. The proof pressure is 2.4 MPa, which is 1.5 times the maximum operating pressure.

What are the electrical requirements?

The coil voltage is 24 V DC ±10% per IEC 60038, and power consumption is 5 to 10 W (inrush vs. holding). Other voltages may be available on request, but must be verified with the manufacturer.

What materials are used for the body and seals?

Body materials include brass, stainless steel (grades 304 to 316 per ASTM A276), and PTFE for seals. Seal materials range from NBR to FKM per ASTM D2000. The choice depends on the gas media and temperature; for example, FKM is suitable for high temperatures.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification
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