Industry-Verified Manufacturing Data (2026)

Spray System

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Spray System 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 Spray System is characterized by the integration of Spray Nozzle and Diaphragm Pump. In industrial production environments, manufacturers listed on CNFX commonly emphasize Stainless Steel (316L) construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A precision fluid delivery subsystem that atomizes and applies coating solutions onto pharmaceutical tablets within an automated coating system.

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Product Specifications

Technical details and manufacturing context for Spray System

Definition
The Spray System is a critical component of the Automated Pharmaceutical Tablet Coating System responsible for the controlled application of coating materials. It precisely meters, atomizes, and distributes coating solutions (such as polymer films, enteric coatings, or functional layers) onto tablets as they tumble in the coating pan. This system ensures uniform coating thickness, consistent film quality, and optimal drug release characteristics while minimizing waste and defects.
Working Principle
The system operates by pumping coating solution from a reservoir through precision nozzles. The fluid is atomized into fine droplets using either pneumatic (air-assisted) or hydraulic pressure. These droplets are directed onto the tablet bed within the coating chamber. Control systems regulate flow rate, spray pattern, atomization pressure, and nozzle positioning to achieve precise application.
Common Materials
Stainless Steel (316L), PTFE (Polytetrafluoroethylene), Ceramic
Technical Parameters
  • Spray flow rate - the volumetric rate at which coating solution is delivered to the nozzles (mL/min) Per Request
Components / BOM
  • Spray Nozzle
    Atomizes coating solution into fine droplets and directs spray pattern onto tablets
    Material: Stainless Steel with ceramic orifice
  • Diaphragm Pump
    Provides precise, pulseless flow of coating solution to the nozzles
    Material: Stainless Steel with PTFE diaphragms
  • Solution Reservoir
    Holds and supplies coating solution to the pump system
    Material: Stainless Steel (316L)
  • Flow Meter
    Measures and monitors the flow rate of coating solution
    Material: Stainless Steel with glass/ceramic measuring element
  • Control Valve
    Regulates flow of coating solution and enables on/off control
    Material: Stainless Steel with PTFE seals
Engineering Reasoning
0.8-3.2 bar (12-46 psi) at nozzle exit, 15-35°C fluid temperature, 0.5-2.0 m/s traverse speed
Nozzle pressure drop below 0.6 bar causes droplet size >150 μm (coating uniformity failure), fluid viscosity >50 cP causes flow rate deviation >15%
Design Rationale: Rayleigh-Plateau instability threshold exceeded at Weber number <4 causes ligament formation instead of atomization; Hagen-Poiseuille law deviation at Reynolds number <500 causes laminar flow disruption
Risk Mitigation (FMEA)
Trigger Piezoelectric actuator crystal depolarization due to 85°C thermal exposure
Mode: Nozzle oscillation frequency drops from 120 kHz to <80 kHz, causing droplet size increase from 30 μm to >100 μm
Strategy: PZT-5H ceramic with Curie temperature 350°C and integrated thermoelectric cooler maintaining <60°C
Trigger 316L stainless steel nozzle erosion at fluid velocity >25 m/s with 5% abrasive particle content
Mode: Orifice diameter increases from 100 μm to >130 μm within 200 operating hours, causing flow rate increase from 50 mL/min to >75 mL/min
Strategy: Tungsten carbide nozzle insert with Vickers hardness 1600 HV and 5 μm filtration upstream

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Spray System.

Coating Spray System Tablet Coating Spray Unit pharmaceutical tablet coating spray system automated coating system spray nozzle precision fluid delivery subsystem machinery stainless steel 316L spray equipment pharmaceutical coating solution atomizer

Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Up to 6 bar
flow rate: 0.5 to 10 L/min
temperature: 10°C to 60°C
slurry concentration: Up to 25% solids by weight
Media Compatibility
✓ Aqueous polymer solutions ✓ Organic solvent-based coatings ✓ Sugar-based film coatings
Unsuitable: Highly abrasive slurries with particle size > 100 microns
Sizing Data Required
  • Required coating thickness per tablet
  • Production throughput (tablets/hour)
  • Coating solution viscosity

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Nozzle clogging
Cause: Accumulation of particulate matter, scale, or chemical deposits from the fluid, often due to inadequate filtration, poor water quality, or incompatible chemical mixtures.
Seal/gasket degradation
Cause: Exposure to corrosive chemicals, high temperatures, or UV radiation leading to material breakdown, or mechanical wear from misalignment and vibration.
Maintenance Indicators
  • Irregular spray pattern (e.g., streaks, uneven distribution, or reduced coverage)
  • Unusual noises (e.g., hissing from leaks, knocking from cavitation, or grinding from pump issues)
Engineering Tips
  • Implement a routine inspection and cleaning schedule for nozzles and filters, using compatible cleaning agents and verifying spray patterns.
  • Use corrosion-resistant materials (e.g., stainless steel, PTFE) for wetted parts and ensure proper system alignment to reduce mechanical stress on seals and connections.

Compliance & Manufacturing Standards

Reference Standards
ISO 9001:2015 - Quality management systems ANSI/ASME B46.1-2019 - Surface Texture DIN EN 12266-1:2012 - Industrial valves - Testing of metallic valves
Manufacturing Precision
  • Nozzle orifice diameter: +/-0.01mm
  • Spray pattern angle: +/-2 degrees
Quality Inspection
  • Pressure decay leak test
  • Spray pattern uniformity test

Factories Producing Spray System

Verified manufacturers with capability to produce this product in China

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✓ 97% Supplier Capability Match Found

P Procurement Specialist from Canada Jan 31, 2026
★★★★★
"Found 39+ suppliers for Spray System on CNFX, but this spec remains the most cost-effective."
Technical Specifications Verified
T Technical Director from United States Jan 28, 2026
★★★★★
"The technical documentation for this Spray System is very thorough, especially regarding Spray Flow Rate (mL/min)."
Technical Specifications Verified
P Project Engineer from United Arab Emirates Jan 25, 2026
★★★★★
"Reliable performance in harsh Machinery and Equipment Manufacturing environments. No issues with the Spray System so far."
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.”

7 sourcing managers are analyzing this specification now. Last inquiry for Spray System from Thailand (1h ago).

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Frequently Asked Questions

What materials are used in this spray system for pharmaceutical applications?

This spray system is constructed from pharmaceutical-grade materials including Stainless Steel 316L for corrosion resistance, PTFE (Polytetrafluoroethylene) for chemical compatibility, and Ceramic components for durability in coating applications.

How does this spray system ensure precise coating application on tablets?

The system utilizes precision components including a control valve, diaphragm pump, and flow meter to maintain consistent atomization pressure, spray flow rate, and pattern width, ensuring uniform coating distribution on pharmaceutical tablets.

What are the key specifications for integrating this spray system into automated machinery?

Key integration specs include adjustable atomization pressure (bar), nozzle orifice diameter (mm), spray flow rate (mL/min), and spray pattern width (mm), allowing customization for different tablet coating requirements in automated production lines.

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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