Industry-Verified Manufacturing Data (2026)

Solenoid Valve Assembly

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Solenoid Valve Assembly 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 Assembly is characterized by the integration of Solenoid Coil and Plunger/Armature. In industrial production environments, manufacturers listed on CNFX commonly emphasize Stainless Steel (Body/Seals) construction to support stable, high-cycle operation across diverse manufacturing scenarios.

An electromechanically operated valve assembly that controls the flow of ingredients in a manifold system.

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Product Specifications

Technical details and manufacturing context for Solenoid Valve Assembly

Definition
A solenoid valve assembly is a critical component within an Ingredient Inlet Valve Manifold, responsible for the precise on/off or proportional control of fluid (liquid or gas) ingredient flow into a process. It converts electrical signals into mechanical movement to open or close the valve port.
Working Principle
When an electrical current is applied to the solenoid coil, it generates a magnetic field that moves a plunger or armature. This mechanical movement either opens or closes the valve orifice, allowing or stopping the flow of the ingredient. De-energizing the coil typically returns the valve to its default state via a spring.
Common Materials
Stainless Steel (Body/Seals), Copper (Coil Windings), PTFE/EPDM (Seals/Gaskets)
Technical Parameters
  • Orifice diameter, port connection size (e.g., NPT, G-thread), and overall assembly dimensions critical for manifold integration. (mm) Standard Spec
Components / BOM
  • Solenoid Coil
    Converts electrical energy into magnetic force to actuate the plunger.
    Material: Copper wire, epoxy encapsulation
  • Plunger/Armature
    The moving ferromagnetic core actuated by the magnetic field to open/close the valve.
    Material: Magnetic stainless steel
  • Valve Body
    Houses the internal components and provides fluid connections to the manifold.
    Material: Stainless steel, brass
  • Seat & Seal
    Ensures a tight seal when the valve is closed to prevent leakage.
    Material: PTFE, EPDM, Viton
  • Spring
    Returns the plunger to its default position (normally open or closed) when the coil is de-energized.
    Material: Stainless steel
Engineering Reasoning
0.5-16 bar
18 bar differential pressure
Design Rationale: Plunger spring yield stress exceeding 420 MPa at 18 bar differential pressure, causing permanent deformation and loss of sealing force
Risk Mitigation (FMEA)
Trigger Coil insulation breakdown at 155°C continuous temperature (Class F insulation limit)
Mode: Solenoid coil short circuit
Strategy: Embedded PTC thermistor with 140°C trip point in coil winding
Trigger Particulate contamination exceeding 15 μm in fluid stream
Mode: Spool valve jamming in closed position
Strategy: Upstream 10 μm absolute filter with differential pressure sensor

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Solenoid Valve Assembly.

stainless steel solenoid valve assembly industrial solenoid valve for manifold systems PTFE sealed solenoid valve assembly copper coil solenoid valve for machinery solenoid valve BOM plunger armature seat

Applied To / Applications

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

Ingredient Inlet Valve Manifold
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: 0.5 to 50 L/min (depending on orifice size)
temperature: -20°C to 120°C
slurry concentration: Up to 15% solids by weight (max recommended)
Media Compatibility
✓ Water-based fluids ✓ Hydraulic oils (mineral-based) ✓ Food-grade liquids (FDA-approved materials)
Unsuitable: Highly corrosive acids (e.g., hydrochloric acid) or abrasive slurries with >15% solids
Sizing Data Required
  • Required flow rate (L/min)
  • System operating pressure (bar)
  • Media viscosity and temperature

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Coil burnout
Cause: Overvoltage, excessive duty cycle, or poor heat dissipation leading to insulation breakdown and open circuit
Spool sticking
Cause: Contamination ingress (particles, moisture), corrosion, or varnish buildup preventing proper movement
Maintenance Indicators
  • Audible buzzing or humming without actuation indicating partial energization or armature sticking
  • Visible fluid leakage around solenoid body or coil housing suggesting seal degradation or cracking
Engineering Tips
  • Install upstream filtration (5-10 micron) and maintain clean, dry air/fluid supply to prevent contamination-induced failures
  • Implement predictive maintenance with coil resistance/inductance testing and cycle time monitoring to detect degradation before catastrophic failure

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: Connectors, electrical, circular, with screw-locking, for industrial applications
Manufacturing Precision
  • Bore diameter: +/-0.01 mm
  • Seat flatness: 0.05 mm
Quality Inspection
  • Pressure decay leak test
  • Coil resistance and insulation test

Factories Producing Solenoid Valve Assembly

Verified manufacturers with capability to produce this product in China

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✓ 92% Supplier Capability Match Found

P Project Engineer from United States Jan 29, 2026
★★★★★
"Impressive build quality. Especially the technical reliability is very stable during long-term operation."
Technical Specifications Verified
S Sourcing Manager from United Arab Emirates Jan 26, 2026
★★★★★
"As a professional in the Machinery and Equipment Manufacturing sector, I confirm this Solenoid Valve Assembly meets all ISO standards."
Technical Specifications Verified
P Procurement Specialist from Australia Jan 23, 2026
★★★★★
"Standard OEM quality for Machinery and Equipment Manufacturing applications. The Solenoid Valve Assembly arrived with full certification."
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.”

12 sourcing managers are analyzing this specification now. Last inquiry for Solenoid Valve Assembly from USA (1h ago).

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Frequently Asked Questions

What materials are used in this solenoid valve assembly?

The assembly features a stainless steel body, copper coil windings, and PTFE/EPDM seals and gaskets for durability and chemical resistance.

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

The bill of materials includes plunger/armature, seat & seal, solenoid coil, spring, and valve body for complete assembly.

How does this solenoid valve control ingredient flow in manifold systems?

The electromechanical operation opens and closes the valve precisely, regulating ingredient flow through the manifold system for manufacturing processes.

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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