Custom Plastic Manifolds

Precision CNC machined fluid distribution manifolds and chemical distribution systems for water treatment, pharmaceutical, and industrial applications

  • Custom port configurations machined to exact specifications
  • Chemical resistant materials: PVDF, CPVC, PP, PVC, PTFE
  • Transparent manifolds available for visual flow inspection
  • NSF-certified and pharmaceutical-grade material options
  • Reverse engineering for obsolete manifold replacement
  • Chicago-based manufacturing since 1986
Custom plastic manifolds
Custom Port Layouts
Chemical Resistant
Pharmaceutical Grade
Since 1986 Experience

Overview

CNC machined plastic manifolds for precise fluid distribution in demanding industrial environments.

CDS Plastics manufactures custom plastic manifolds that distribute fluids, gases, and chemicals with precision and reliability. Our CNC machining capabilities produce manifolds with complex port configurations, tight tolerances, and custom geometries that cannot be achieved through injection molding or fabrication. We specialize in chemical resistant manifolds for water treatment systems, pharmaceutical equipment manifolds, and industrial fluid handling applications where corrosion resistance and material compatibility are critical.

Why Choose CDS Plastics Manifolds

Custom Port Configurations

Our CNC plastic machining creates manifolds with precise port locations, angles, and thread types that match your exact system requirements. No tooling costs, design changes accommodated easily.

Superior Chemical Resistance

PVDF, CPVC, and polypropylene manifolds withstand aggressive chemicals that attack metal alternatives. Impervious to acids, bases, chlorine, and most solvents without degradation or corrosion.

Transparent Options for Monitoring

Clear acrylic and polycarbonate manifolds enable visual inspection of fluid flow, air bubbles, and contamination. Critical for troubleshooting and quality control in pharmaceutical and laboratory systems.

Precision Dimensional Control

We hold ±0.005" tolerances on critical dimensions and thread depths. Tight control prevents leaks, ensures proper seal compression, and maintains consistent flow distribution across all ports.

Solutions for Common Manifold Challenges

Corrosion From Aggressive Chemicals

Problem: Metal manifolds corroding and contaminating fluid streams in water treatment or chemical processing
Solution: PVDF and CPVC manifolds provide complete chemical inertness. No corrosion byproducts, no contamination, and dramatically extended service life in acidic or chlorinated environments.

Obsolete Equipment Replacement

Problem: Discontinued manifolds from OEM no longer available, threatening entire system operation
Solution: Our reverse engineering service captures all port locations, thread types, and mounting dimensions from your worn manifold. We create exact replacements with full documentation for future reorders.

High Tooling Costs for Custom Designs

Problem: Injection mold tooling costs tens of thousands of dollars, making custom manifolds economically unfeasible
Solution: CNC machining requires no tooling investment. Custom manifolds produced from solid stock at reasonable per-piece costs for quantities under 500 units.

Flow Distribution Problems

Problem: Uneven flow distribution causing process inconsistencies or equipment damage
Solution: Transparent polycarbonate and acrylic manifolds enable visual confirmation of proper flow distribution. Internal geometry optimized through design iterations without tooling changes.

Contamination in Pharmaceutical Systems

Problem: Metal ion contamination or particulates from corroding manifolds affecting product purity
Solution: USP Class VI compliant materials eliminate contamination risks. Smooth machined surfaces prevent bacterial growth and particle generation in ultra-pure water systems.

Technical Specifications & Capabilities

Machining Capabilities

  • Size range: 2" x 2" up to 24" x 12" x 8"
  • Port sizes: 1/8" NPT through 2" NPT and larger
  • Thread tolerance: Class 2A precision
  • Port positioning: ±0.005" on critical centers
  • Surface finish: 63Ra standard, 32Ra available
  • Complex angles and compound port orientations

Port & Connection Options

  • NPT threads: 1/8" through 4"
  • BSPT threads: British pipe standards
  • Metric threads: M6 through M48
  • Barb fittings: Push-to-connect ports
  • Flanged connections: ANSI and DIN
  • Custom compression fittings and O-ring ports

Material Selection Guide for Manifolds

Material Chemical Resistance Temperature Range Best Applications
PVDF (Kynar®) Excellent: acids, bases, organic solvents, chlorine -40°F to 280°F Chemical processing, aggressive water treatment, pharmaceutical
CPVC Excellent: chlorine, acids, hot water, corrosive gases -40°F to 200°F Municipal water, hot water distribution, chlorinated systems
Polypropylene (PP) Very good: acids, bases, aqueous solutions -20°F to 180°F General purpose, cost-effective chemical distribution
PVC (Type I) Good: acids, bases, salt solutions -10°F to 140°F Cold water, irrigation, general industrial fluids
PTFE (Teflon®) Outstanding: virtually universal chemical resistance -400°F to 500°F Extreme chemical environments, high purity applications
Clear Acrylic Limited: water, air, some oils -40°F to 160°F Visual inspection, flow monitoring, laboratory equipment
Polycarbonate Moderate: water, air, mild chemicals -40°F to 240°F Higher temperature visual monitoring, impact resistance
PEEK Excellent: acids, bases, hydrocarbons, steam Up to 480°F continuous High temperature chemical processing, pharmaceutical autoclaving

Information We Need From You

To machine your custom manifold, provide us with:

  • Overall dimensions: Length, width, height of manifold body
  • Port specifications: Sizes, thread types, locations, and orientations
  • Fluid type: Chemical composition for material selection
  • Operating conditions: Temperature, pressure, flow rate
  • Mounting requirements: Bolt patterns, brackets, or feet
  • Quantity needed: Prototype, small batch, or production run
  • Drawing or sample: CAD file, sketch, or existing manifold to replicate

Industries and Applications

Water Treatment & Filtration

  • Municipal water distribution manifolds for multi-stage filtration
  • Reverse osmosis system manifolds with NSF certification
  • Chemical feed manifolds for chlorination and pH adjustment
  • Sampling manifolds for water quality monitoring
  • CPVC and PVDF manifolds resist chlorine degradation

Pharmaceutical & Biotechnology

  • Ultra-pure water distribution for pharmaceutical manufacturing
  • USP Class VI manifolds for bioprocessing equipment
  • Transparent manifolds for visual inspection and validation
  • Autoclaving-compatible PEEK manifolds for sterile systems
  • Clean-in-place (CIP) manifolds with sanitary connections

Chemical Processing

  • Acid and base distribution manifolds for process control
  • Corrosive gas manifolds for semiconductor manufacturing
  • Solvent distribution systems for coating operations
  • PVDF manifolds for aggressive chemical environments
  • Multi-port mixing manifolds with precise flow ratios

Laboratory & Research

  • Gas distribution manifolds for analytical instruments
  • Clear manifolds for educational demonstrations
  • Custom manifolds for experimental apparatus
  • Vacuum manifolds for sample preparation
  • Inert material manifolds prevent sample contamination

Industrial Fluid Systems

  • Coolant distribution manifolds for CNC machines
  • Hydraulic manifolds for mobile equipment
  • Air distribution manifolds for pneumatic controls
  • Lubrication system manifolds for automated dispensing
  • Manifolds replace complex piping assemblies

Food & Beverage (Adjacent)

  • Water distribution for bottle washing and rinsing
  • Sanitizer distribution manifolds for CIP systems
  • FDA-compliant materials for indirect food contact
  • Corrosion-resistant manifolds for acidic cleaning chemicals
  • Easy disassembly for inspection and maintenance

Ordering Process

We manufacture custom plastic manifolds from your drawings and specifications.

Information Required for Quoting

  • CAD drawings or detailed technical drawings
  • Port specifications: locations, sizes, thread types
  • Material requirements based on your application
  • Quantity needed and delivery requirements
  • Existing manifold for dimensional capture (if available)

Common Manifold Features We Machine

  • Threaded ports: NPT, BSPT, metric threads
  • Barb connections: For tubing applications
  • Flanged connections: Bolted assembly
  • Pressure taps: Monitoring ports
  • Drain plugs: System maintenance
  • Mounting holes: Equipment integration

Need Reverse Engineering?
Send us your existing manifold for dimensional capture and measurement. We'll create detailed documentation of all critical specifications and manufacture exact replacements that match your system requirements.

Frequently Asked Questions

What's the minimum quantity for custom machined manifolds?

We machine single prototype manifolds through production quantities. No minimum order required. CNC machining is cost-effective for quantities under 500 pieces compared to injection molding, which requires expensive tooling investment.

Can you machine manifolds from my existing part?

Yes. Our reverse engineering service captures all port locations, thread specifications, and dimensional details from your worn or obsolete manifold. We create CAD documentation and machine exact replacements. This service is essential when original manufacturers no longer support legacy equipment.

How do I select the right material for my application?

Material selection depends on your fluid chemistry, operating temperature, and pressure requirements. PVDF offers the broadest chemical resistance for aggressive environments. CPVC excels with chlorinated water and hot water systems. Polypropylene provides cost-effective resistance for general acids and bases. Our engineering team helps match materials to your specific application requirements.

What thread types can you machine?

We machine all common thread standards: NPT (National Pipe Thread) from 1/8" through 4", BSPT (British Standard Pipe Thread), metric threads M6 through M48, and custom threads to match your existing fittings. Thread depth and pitch are held to Class 2A tolerances for proper seal engagement.

Contact our engineering team for custom manifold design assistance and rapid quoting