Industry-Verified Manufacturing Data (2026)

Solenoid Valve

Based on aggregated insights from multiple verified 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
    Converts electrical energy into a magnetic field to actuate the plunger.
    Material: Copper Wire, Epoxy Encapsulation
  • Plunger/Armature
    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
    Creates a leak-tight seal between the plunger and valve seat or within the body.
    Material: NBR, EPDM, PTFE, FKM (Viton)
  • Spring
    Returns the plunger to its default position when the coil is de-energized.
    Material: Stainless Steel
Engineering Reasoning
0.5-10 bar differential pressure, -20°C to 80°C ambient temperature
Coil burnout at 105°C insulation temperature, seal degradation at 12 bar differential pressure
Design Rationale: Joule heating exceeding Class B insulation rating (130°C) causes coil insulation breakdown; excessive pressure differential deforms elastomeric seals beyond 12% compression set limit
Risk Mitigation (FMEA)
Trigger Coil voltage exceeding 110% rated value (e.g., 13.2V for 12V nominal)
Mode: Coil overheating leading to insulation breakdown and short circuit
Strategy: Embedded PTC thermistor with 95°C trip point in coil winding
Trigger Particulate contamination exceeding ISO 4406 18/16/13 cleanliness level
Mode: Spool valve sticking causing response time degradation beyond 50ms specification
Strategy: 10μm absolute filtration with differential pressure monitoring at 0.3 bar warning threshold

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
View system integration details
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
View system integration details
Control Valve Block
View system integration details

Industrial Ecosystem & Supply Chain DNA

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

Verified manufacturers with capability to produce this product in China

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✓ 97% Supplier Capability Match Found

P Project Engineer from Canada Jan 17, 2026
★★★★★
"The technical documentation for this Solenoid Valve is very thorough, especially regarding technical reliability."
Technical Specifications Verified
S Sourcing Manager from United States Jan 14, 2026
★★★★★
"Reliable performance in harsh Machinery and Equipment Manufacturing environments. No issues with the Solenoid Valve so far."
Technical Specifications Verified
P Procurement Specialist from United Arab Emirates Jan 11, 2026
★★★★★
"Testing the Solenoid Valve now; the technical reliability results are within 1% of the laboratory datasheet."
Technical Specifications Verified
Verification Protocol

“Feedback is collected from verified sourcing managers during RFQ (Request for Quote) and factory evaluation processes on CNFX. These reports represent historical performance data and technical audit summaries from our B2B manufacturing network.”

9 sourcing managers are analyzing this specification now. Last inquiry for Solenoid Valve from UAE (1h ago).

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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 Specifications verified by CNFX Industrial Index (v2.6.03) for Machinery and Equipment Manufacturing sector.

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