Structured Manufacturing Data (2026)

Solenoid Valve Cartridge

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

A compact, replaceable solenoid-operated valve unit designed for integration into a control valve manifold.

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Product Specifications

Technical details and manufacturing context for Solenoid Valve Cartridge

Definition
A solenoid valve cartridge is a modular, self-contained valve assembly that houses the solenoid actuator, valve seat, and flow control elements. It is specifically engineered to be inserted into a manifold block, forming part of a larger control valve manifold system used for directing, regulating, or shutting off fluid flow in automated industrial processes.
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 a small orifice (the pilot orifice), which in turn controls the pressure acting on the main valve diaphragm or piston. The pressure differential causes the main valve to open or close, allowing or blocking the main flow path through the manifold.
Common Materials
Stainless Steel (Body/Seat), Brass (Body), NBR/FKM/EPDM (Seals/Diaphragm), Copper (Solenoid Coil), Plastic (Coil Housing)
Technical Parameters
  • The nominal port size (e.g., G1/4, G1/2) or the cartridge's outer diameter and length for manifold insertion. (mm) Per Request
Components / BOM
  • Solenoid Coil
    Converts electrical energy into magnetic force to actuate the plunger.
    Material: Copper wire, epoxy encapsulation
  • Plunger/Armature Part
    The moving ferromagnetic core actuated by the solenoid's magnetic field to open/close the pilot orifice.
    Material: Magnetic stainless steel
  • Valve Seat & Seal Part
    Provides a tight seal when the valve is closed to prevent leakage.
    Material: Stainless steel (seat), NBR/FKM/EPDM (seal)
  • Spring Part
    Returns the plunger to its default (normally open or normally closed) position when the solenoid is de-energized.
    Material: Stainless steel
  • Cartridge Body Part
    The main housing that contains the internal components and interfaces with the manifold block.
    Material: Brass or stainless steel

Industry Taxonomies & Aliases

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

solenoid valve cartridge replacement compact solenoid valve cartridge for manifolds stainless steel solenoid valve cartridge solenoid valve cartridge with brass body NBR FKM EPDM seal solenoid cartridge

Applied To / Applications

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

Control Valve Manifold
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Solenoid Valve Bank
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Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: 0 to 315 bar (max operating pressure)
flow rate: Up to 60 L/min (depends on orifice size)
temperature: -20°C to +80°C
slurry concentration: Not recommended for slurries >5% solids by volume
Media Compatibility
✓ Hydraulic oil (ISO VG 32-68) ✓ Water-glycol fluids ✓ Compressed air (filtered, lubricated)
Unsuitable: Corrosive chemicals (acids, strong solvents)
Sizing Data Required
  • Required flow rate (L/min)
  • System operating pressure (bar)
  • Orifice size/valve flow coefficient (Cv)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Coil Burnout
Cause: Overvoltage, excessive heat from prolonged energization, or moisture ingress leading to short circuits.
Spool Sticking
Cause: Contamination from particulates in fluid, wear debris accumulation, or lack of lubrication causing mechanical binding.
Maintenance Indicators
  • Audible buzzing or chattering during operation indicating improper seating or voltage issues.
  • Visible fluid leakage around the cartridge body or solenoid housing.
Engineering Tips
  • Implement a proactive filtration program with particle size ratings appropriate for the valve's clearances to prevent contamination-related failures.
  • Ensure proper voltage regulation and install thermal protection devices to prevent coil overheating during extended duty cycles.

Compliance & Manufacturing Standards

Reference Standards
ISO 4401: Hydraulic fluid power - Four-port directional control valves - Mounting surfaces ANSI/B93.5M: Hydraulic Fluid Power - Solenoid Valves DIN 24340: Hydraulic fluid power - Solenoid valves - Mounting surfaces
Manufacturing Precision
  • Bore diameter: +/-0.01mm
  • Surface flatness: 0.05mm
Quality Inspection
  • Pressure decay test for leak tightness
  • Functional test for response time and actuation force

Factories Producing Solenoid Valve Cartridge

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 cartridge?

The cartridge features a stainless steel or brass body, NBR/FKM/EPDM seals and diaphragm, a copper solenoid coil, and a plastic coil housing for durability and corrosion resistance.

How is this solenoid valve cartridge integrated into machinery?

It is designed as a compact, replaceable unit that easily integrates into control valve manifolds, allowing for quick maintenance and replacement without disassembling the entire system.

What are the key components in the BOM for this solenoid valve cartridge?

The bill of materials includes a solenoid coil, plunger/armature, valve seat and seal, spring, and cartridge body, ensuring reliable operation and easy servicing.

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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