Structured Manufacturing Data (2026)

Solenoid Valve

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Solenoid Valve used in the Machinery and Equipment Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Solenoid Valve is characterized by the integration of Solenoid Coil and Plunger/Armature. In industrial production environments, manufacturers listed on CNFX commonly emphasize Brass construction to support stable, high-cycle operation across diverse manufacturing scenarios.

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

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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.
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.
Common Materials
Brass, Stainless Steel, PTFE (Seals)
Technical Parameters
  • Nominal pipe size (NPS) indicating the valve's port size and flow capacity. (inch) Standard Spec
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

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Solenoid Valve.

brass solenoid valve for gas control stainless steel solenoid valve machinery PTFE seal solenoid valve gas system industrial solenoid valve BOM components electromechanical gas valve specifications

Applied To / Applications

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

Gas Control System
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Marking Head
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Pulse-Jet Cleaning System
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Cleaning Mechanism (e.g., Shaker, Pulse Jet Valve)
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Filling Nozzle Assembly
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Control Valve Block
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Pneumatic Diverter
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Assist Gas System
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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: -20°C to 120°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.

Compliance & Manufacturing Standards

Reference 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
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

Factories Producing Solenoid Valve

Manufacturer profiles with relevant production capability in China

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Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What materials are used in this solenoid valve for gas control systems?

This solenoid valve is constructed from durable brass and stainless steel for the valve body, with PTFE (polytetrafluoroethylene) seals and diaphragm to ensure reliable, leak-proof operation in gas control applications.

What are the main components in the BOM for this solenoid valve?

The bill of materials includes key components: plunger/armature for magnetic actuation, seal/diaphragm for fluid isolation, solenoid coil for electromagnetic operation, spring for return mechanism, and the valve body housing.

How does this solenoid valve regulate gas flow in machinery equipment?

The valve uses electromagnetic force from the solenoid coil to move the plunger/armature, which opens or closes the flow path. This electromechanical operation allows precise on/off control of gas flow in industrial systems.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data basis: CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks for Machinery and Equipment Manufacturing.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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