Solution Tank for CIP Systems | Specifications & Selection

Product Specifications

Technical details and manufacturing context for Solution Tank

Definition

The Solution Tank is a critical component of a CIP (Clean-in-Place) Cleaning Module, designed to hold and manage the various chemical solutions (e.g., caustic, acid, sanitizer, rinse water) used in automated cleaning cycles. It typically includes features for solution level monitoring, temperature control, and connection to the CIP supply and return lines. Constructed from stainless steel (commonly 316L for corrosive chemicals), the tank is engineered to withstand specified working pressures and temperatures, with internal surface finishes suitable for hygienic cleaning. The tank's nominal capacity ranges from 500 to 10,000 liters, and its design pressure is 0.2–0.6 MPa. Design temperature spans -10 to 120 °C, accommodating hot water and caustic solutions. Wall thickness varies from 4 to 12 mm, and internal surface roughness is ≤0.8 μm Ra (ISO 4287) to facilitate sanitation. Insulation thickness of 50–100 mm helps maintain solution temperature. Empty weight ranges from 200 to 3000 kg, and overall dimensions (diameter × height) are typically 800–2500 mm × 1500–5000 mm. These values are reference ranges; actual specifications must be confirmed with the manufacturer for the specific model and application. The tank operates by receiving and storing prepared cleaning solutions. During a CIP cycle, a pump draws solution from the tank and circulates it under pressure through process piping and equipment. The solution may be heated within or before entering the tank to enhance cleaning efficacy. After use, the solution is either drained, recovered for reuse, or returned to the tank for subsequent cycles, depending on system design. When selecting a solution tank, verify that the nominal capacity matches the cleaning cycle volume and flow rate, and that the working pressure and temperature ratings align with your process requirements. Confirm material grade (e.g., 316L) for chemical compatibility, and ensure internal surface finish meets hygiene standards. Check that the tank's dimensions and weight fit your installation space and structural support. Always consult the legal manufacturer or supplier to validate model-specific values and standards.

Working Principle

The tank receives and stores a prepared cleaning solution. During a CIP cycle, a pump draws solution from the tank and circulates it under pressure through the process piping and equipment to be cleaned. The solution may be heated within or before entering the tank to enhance cleaning efficacy. After use, the solution is either drained, recovered for reuse, or returned to the tank for subsequent cycles, depending on the system design.

Common Materials

Stainless Steel 316L

Technical Parameters

Parameter	Typical range	Notes & selection driver
Nominal Capacity	500–10000 L	Select based on cleaning cycle volume and flow rate
Working Pressure	0.2–0.6 MPa	Higher pressure may require thicker wall
Design Temperature	-10–120 °C	For CIP hot water and caustic solutions
Material Grade	304/316L	316L for corrosive chemicalsASTM A240
Wall Thickness	4–12 mm	Depends on pressure and capacity
Surface Roughness (Internal)	≤0.8 μm Ra	Smooth finish for hygienic cleaningISO 4287
Insulation Thickness	50–100 mm	For temperature maintenance
Empty Weight	200–3000 kg	Increases with capacity and material
Overall Dimensions (Diameter × Height)	800–2500 × 1500–5000 mm	Varies with capacity and design

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

Tank Shell/Body Part
The main pressure vessel that contains the solution.

Material: Stainless Steel 316L
Level Sensor
Monitors the volume of solution in the tank to control filling, draining, and pump operation.

Material: Stainless Steel, PTFE
Manway/Cleaning Port
Provides access for internal inspection, manual cleaning, and maintenance.

Material: Stainless Steel
Insulation Jacket Part
Minimizes heat loss from heated solutions to improve energy efficiency.

Material: Mineral Wool, Polyurethane Foam
Heating Element Optional
Brings the solution up to cleaning temperature in the tank itself.

Application & selection

Application Fit & Sizing Matrix

Operational Limits

pressure:	Atmospheric to 2 bar (typical), up to 5 bar with reinforced design
flow rate:	Dependent on pump capacity, typically 10-500 m³/h
temperature:	-10°C to 120°C (typical), up to 150°C with special materials
slurry concentration:	Up to 20% solids by weight (depending on agitation system)

Media Compatibility

✓ Caustic soda solutions (NaOH) ✓ Acid-based cleaners (nitric/phosphoric acid) ✓ Sanitizing agents (peracetic acid, hydrogen peroxide)

Unsuitable: Hydrofluoric acid or highly concentrated oxidizing agents without specialized lining

Sizing Data Required

Required solution volume per CIP cycle (liters)
Maximum flow rate needed for circulation (m³/h)
Available installation footprint and height constraints (meters)

Risk, maintenance & compliance

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause

Corrosion

Cause: Chemical attack from aggressive solution contents, leading to material degradation and potential leaks.

Structural fatigue

Cause: Cyclic loading from thermal expansion/contraction or agitation, resulting in crack initiation and propagation.

Maintenance Indicators

Visible leaks or weeping at welds/seams
Unusual noises (e.g., cracking, popping) during temperature changes or agitation

Engineering Tips

Implement regular internal inspections and non-destructive testing (e.g., ultrasonic thickness measurements) to monitor corrosion rates.
Install expansion joints or flexible connections to accommodate thermal movement and reduce stress on tank structure.

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

ASME BPE-2022 - Bioprocessing Equipment EN 13445-3:2021 - Unfired Pressure Vessels

Quoted from the published standard.

Manufacturing Precision

Wall Thickness: +/-5% of nominal
Concentricity: 0.5mm total indicator reading

Quality Inspection

Hydrostatic Pressure Test
Surface Roughness Verification

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

Confirm test methods, calibrated equipment, sampling plans, and traceable reports.

Supplier transparency

Check the legal entity, factory address, ownership, certifications, and direct contacts.

Compare the published product scope and source details, then include your specifications and quantity in an enquiry.

Manufacturers of Solution Tank

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Frequently Asked Questions

What is the typical capacity range for a CIP solution tank?

According to reference data, the nominal capacity ranges from 500 to 10,000 liters. The actual capacity should be selected based on the cleaning cycle volume and flow rate required for your specific process. Always confirm the exact capacity with the manufacturer for your application.

What materials are commonly used for solution tanks?

The material grade on file is Stainless Steel 316L, which is suitable for corrosive chemicals. Other grades like 304 may be available, but the reference data lists 304/316L as a range. Verify the material grade with the supplier to ensure compatibility with your cleaning solutions.

What working pressure and temperature can the tank handle?

The reference working pressure is 0.2–0.6 MPa, and the design temperature range is -10 to 120 °C. These are reference values; the actual ratings depend on the tank's design and construction. Confirm with the manufacturer for your specific model.

How do I ensure the tank meets hygiene requirements?

The internal surface roughness is specified as ≤0.8 μm Ra (ISO 4287), which is suitable for hygienic cleaning. Additionally, the tank may have insulation to maintain temperature. For specific hygiene standards, consult the manufacturer and relevant regulations for your industry.

Related equipment

Applied To / Applications

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

CIP Cleaning Module

View system integration details

Industrial Ecosystem & Supply Chain Structure

Complementary Systems

Downstream Applications

Specialized Tooling

Data Basis

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

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.

Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review · Page last updated 12 October 2026

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