Editorial Technical Reference

Drainage System

This page explains how Drainage System is classified within Machinery and Equipment Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

A system designed to collect and remove wastewater, chemical residues, and sanitization fluids from the Chemical Sanitization Chamber.

Representative product image. Confirm appearance and specifications with the manufacturer.

Product Specifications

Technical details and manufacturing context for Drainage System

Definition
The drainage system is an integral component of the Chemical Sanitization Chamber, responsible for the efficient and safe evacuation of all liquid waste generated during the sanitization process. This includes contaminated water, spent chemical solutions, and rinse fluids. It ensures the chamber remains clean, prevents cross-contamination between cycles, and facilitates compliance with environmental and safety regulations by directing waste to appropriate treatment or disposal points. The system is designed for compatibility with aggressive chemical sanitizers, as indicated by its pH resistance range of 1–14 and operating temperature range of -10 to 80°C. Materials on file include stainless steel (e.g., 304 or 316L), chemical-resistant PVC or CPVC, and polypropylene, with a material grade of 316L listed for corrosion resistance. The system operates on gravity flow and/or pump-assisted evacuation, with waste liquids channeled through sloped drains, pipes, and possibly sumps. Valves control flow direction, and traps or seals prevent backflow of gases or contaminants. Key parameters include nominal diameter DN50–DN200 (ISO 6708), flow rate 10–50 m³/h (ISO 10780), operating pressure 1.0–1.6 MPa, leakage rate ≤0.1 mL/min (ISO 5208), and electrical rating 24 V DC ±10% (IEC 60529). The system is rated IP65–IP67 for dust-tight and water-jet protection. Connections are flanged or threaded per ISO 7005, and weight ranges from 5–25 kg depending on size and material. Seal material is EPDM per ASTM D2000. These values are directory references and must be verified with the legal manufacturer or supplier for the specific model and application. The drainage system is a component, not a standalone product, and its performance depends on proper integration with the chamber and waste treatment infrastructure.
Working Principle
The system operates on gravity flow and/or pump-assisted evacuation. Waste liquids from the chamber floor or collection points are channeled through a network of sloped drains, pipes, and possibly sumps. Valves control the flow, directing it either to a closed waste treatment system or an approved drain. The design often includes traps or seals to prevent backflow of gases or contaminants into the chamber. The system is designed to handle peak discharge rates of 10–50 m³/h and operates within a pressure range of 1.0–1.6 MPa. It is rated for a leakage rate of ≤0.1 mL/min (Class A seat leakage) to ensure containment. The system's materials and seals are selected for chemical resistance across a pH range of 1–14 and temperatures from -10 to 80°C. Electrical actuation, if used, operates at 24 V DC ±10%, and the system is protected to IP65–IP67. Proper installation and maintenance are essential to maintain performance and prevent cross-contamination.
Common Materials
Stainless Steel (e.g., 304 or 316L), Chemical-Resistant PVC or CPVC, Polypropylene
Technical Parameters
ParameterTypical rangeNotes & selection driver
Nominal DiameterDN50–DN200 mmMatches chamber outlet sizeISO 6708
Flow Rate10–50 m³/hPeak discharge during drain cycleISO 10780
Operating Temperature-10–80 °CChemical resistance at high temp
pH Resistance Range1–14 pHFull range for chemical sanitizersISO 175
Leakage Rate≤0.1 mL/minClass A seat leakage
Material Grade316LCorrosion-resistant stainless steelASTM A240
Seal MaterialEPDMResists chemicals and heatASTM D2000
Electrical Rating24 ±10% V DCFor solenoid valve actuationIEC 60529
IP RatingIP65–IP67Dust-tight and water-jet protectedIEC 60529
Connection TypeDN50–DN200 mmFlanged or threadedISO 7005
Weight5–25 kgDepends on size and material

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM
  • Floor Drain/Grate
    Primary point of liquid entry into the drainage network; includes a strainer to catch debris.
    Material: Stainless Steel
  • Drain Pipe Network Part
    Channels wastewater from collection points to the main outlet or sump.
    Material: Chemical-Resistant PVC or Stainless Steel
  • Trap (P-Trap)
    Holds a water seal to prevent sewer gases or contaminants from flowing back into the chamber.
    Material: PVC or Polypropylene
  • Control Valve
    Manually or automatically opens/closes to allow or stop the flow of waste.
    Material: Stainless Steel or CPVC
  • Evacuation Pump Optional
    Pulls the waste liquid out where gravity alone will not carry it.
  • Collection Sump Optional
    Low point that pools the liquid so the pump has something to draw from.

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 10 bar (max operating pressure), 15 bar (burst pressure)
flow rate: 0.5 to 50 L/min (standard range), up to 100 L/min (high-capacity)
temperature: -10°C to +80°C
slurry concentration: Up to 20% solids by weight, particle size <5mm
Media Compatibility
✓ Chemical sanitization fluids (peracetic acid, chlorine-based) ✓ Industrial wastewater with pH 2-12 ✓ Food-grade cleaning solutions
Unsuitable: Hydrofluoric acid or highly concentrated sulfuric acid environments
Sizing Data Required
  • Maximum flow rate requirement (L/min)
  • Chemical concentration and pH range of fluids
  • Required pipe diameter and system layout complexity

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Sedimentation and Clogging
Cause: Accumulation of debris, silt, or foreign materials due to inadequate filtration, poor slope design, or lack of regular cleaning, leading to reduced flow capacity and potential blockages.
Corrosion and Structural Degradation
Cause: Exposure to aggressive chemicals, high moisture, or electrolytic environments causing material breakdown, particularly in metallic components, which compromises structural integrity and leak-tightness.
Maintenance Indicators
  • Persistent water pooling or slow drainage despite clear outlets, indicating partial blockage or reduced flow efficiency.
  • Visible cracks, leaks, or unusual corrosion spots on pipes, joints, or drainage channels, suggesting material failure or structural compromise.
Engineering Tips
  • Implement routine inspection and cleaning schedules using appropriate tools (e.g., jetting, rodding) to prevent sediment buildup and ensure optimal flow rates.
  • Apply protective coatings or use corrosion-resistant materials (e.g., PVC, stainless steel) in high-risk areas, and ensure proper cathodic protection if metallic components are unavoidable.

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
ISO 8770:2010 - Drainage systems for buildings and structures ANSI/ASME B16.34 - Valves - Flanged, Threaded, and Welding End DIN EN 752:2017 - Drain and sewer systems outside buildings

Quoted from the published standard.

Manufacturing Precision
  • Pipe diameter tolerance: +/- 0.5% of nominal diameter
  • Joint alignment tolerance: +/- 1.5° angular deviation
Quality Inspection
  • Hydrostatic pressure test (minimum 1.5 times working pressure)
  • Dimensional verification against geometric tolerances

Manufacturers of Drainage System

2 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

Hydrorelax Bathroom industry manufacturer
Zhejiang, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Rifeng
Guangdong, CN
Also makes: Heating System
Listed on the company's own website · profile compiled by CNFX from public sources

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Technical documentation
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Manufacturing capability
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Inspection readiness
Confirm test methods, calibrated equipment, sampling plans, and traceable reports.
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Frequently Asked Questions

What materials are used in this drainage system?

Materials on file include stainless steel (e.g., 304 or 316L), chemical-resistant PVC or CPVC, and polypropylene. A material grade of 316L is listed for corrosion resistance. Confirm the actual material with the supplier for your specific model.

What is the operating temperature range?

The operating temperature range is -10 to 80°C. This is a reference value; verify with the manufacturer for your application, especially if chemical sanitizers are used at high temperatures.

How does the system prevent backflow?

The design includes traps or seals to prevent backflow of gases or contaminants into the chamber. Additionally, the leakage rate is rated at ≤0.1 mL/min (Class A seat leakage) per ISO 5208, ensuring containment.

What electrical rating is specified?

For solenoid valve actuation, the electrical rating is 24 V DC ±10% per IEC 60529. The system is also rated IP65–IP67 for dust-tight and water-jet protection. Verify these values with the supplier.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification
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