Structured Manufacturing Data (2026)

Solenoid Valve Bank

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

A centralized assembly of multiple solenoid valves used to control fluid flow in a pressure testing system.

Product Specifications

Technical details and manufacturing context for Solenoid Valve Bank

Definition
A solenoid valve bank is a critical component within a Pressure Testing Unit that consolidates multiple solenoid valves into a single manifold or assembly. It functions as the central control point for directing, isolating, or sequencing fluid flow (typically hydraulic oil, water, or air) to various test circuits, actuators, or pressure chambers during testing operations.
Working Principle
The valve bank receives electrical signals from the unit's control system. Each solenoid valve within the bank actuates when its corresponding coil is energized, shifting a spool or poppet to open or close a specific fluid port. This allows for precise, automated control over which sections of the pressure testing circuit are pressurized, vented, or isolated, enabling complex test sequences.
Common Materials
Stainless Steel, Brass, Engineering Plastics (e.g., POM, PTFE), Elastomer Seals (e.g., NBR, FKM)
Technical Parameters
  • Manifold block dimensions and port-to-port spacing (e.g., ISO 4401, CETOP, NFPA standards). (mm) Customizable
Components / BOM
  • Manifold Block
    Provides the common fluid passages and mounting base for all solenoid valves and sub-plates.
    Material: Aluminum, Steel, or Stainless Steel
  • Solenoid Valve Cartridge
    Individual valve element that opens/closes a specific flow path when its coil is energized.
    Material: Brass, Stainless Steel with elastomer seals
  • Coil
    Electromagnetic actuator that converts electrical signals into mechanical force to shift the valve.
    Material: Copper windings, plastic housing
  • Sub-Plate / Interface Part
    Mounting adapter between the valve cartridge and the manifold block, often containing drilled flow paths.
    Material: Steel or Aluminum
  • Electrical Connector Part
    Multi-pin plug or terminal block for centralized connection of all valve coils to the control system.
    Material: Plastic (e.g., PA), brass pins

Industry Taxonomies & Aliases

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

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 150 bar (max operating)
flow rate: 0.1 to 100 L/min per valve
temperature: -20°C to +80°C
slurry concentration: ≤5% solids by weight (max particle size 50μm)
Media Compatibility
✓ Hydraulic oil (ISO VG 32-68) ✓ Compressed air (filtered, lubricated) ✓ Water-glycol mixtures (≤50% glycol)
Unsuitable: Chlorinated solvents or strong acids (pH < 4)
Sizing Data Required
  • System operating pressure (bar)
  • Required flow rate per valve (L/min)
  • Fluid viscosity at operating temperature (cSt)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Coil Burnout
Cause: Overvoltage, excessive heat from ambient conditions or continuous duty cycling beyond design limits, leading to insulation breakdown and open circuit.
Spool Sticking or Binding
Cause: Contamination ingress (particulates, moisture) or varnish buildup from degraded fluid, preventing proper movement and causing erratic or no flow.
Maintenance Indicators
  • Audible buzzing or humming from the solenoid coil indicating improper seating or voltage issues
  • Visible fluid leakage around valve body or solenoid housing, suggesting seal degradation or body cracks
Engineering Tips
  • Implement a proactive filtration and moisture control regimen for the fluid system to minimize contamination-induced wear
  • Ensure electrical supply is within specified voltage tolerances and consider using surge protection to prevent coil damage

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 bayonet coupling, sealed
Manufacturing Precision
  • Bore diameter: +/-0.01mm
  • Port flatness: 0.05mm across mating surface
Quality Inspection
  • Pressure decay leak test (air or helium)
  • Functional cycle test (actuation response time and repeatability)

Factories Producing Solenoid Valve Bank

Manufacturer profiles with relevant production capability in China

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 bank for durability?

Our solenoid valve bank is constructed with corrosion-resistant stainless steel and brass components, engineering plastics like POM and PTFE for chemical resistance, and high-quality elastomer seals (NBR, FKM) for reliable sealing in demanding industrial environments.

How does the solenoid valve bank integrate into pressure testing systems?

The valve bank serves as a centralized control unit that mounts via a sub-plate interface to your pressure testing system. Electrical connectors allow easy integration with control systems, while the manifold block organizes multiple solenoid valve cartridges to precisely regulate fluid flow during testing procedures.

What maintenance is required for the solenoid valve bank components?

Regular inspection of elastomer seals for wear, checking electrical connections on coils and connectors, and ensuring the manifold block remains free of debris. The modular design allows individual valve cartridges to be replaced without disassembling the entire bank, minimizing downtime.

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.

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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