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Self-Stacking Spiral Freezer Belts

Self-stacking spiral belts convey food products through spiral freezing, cooling and proofing systems. Their stacking structure supports successive belt tiers, providing a compact conveying arrangement for continuous processing.

PFM SCREEN supplies self-stacking spiral belts with belt dimensions, mesh specifications, tier heights and spiral directions matched to your equipment. For replacement belts, the existing belt construction and system interfaces should be checked to confirm compatibility.

Product Brochure & Enquiry Form

Find the product brochure and enquiry form in the Downloads section below. Use the When to use it notes to choose the document you need.

Unsure of the belt specifications? Send us photos of your existing belt, the system model and your basic requirements.

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Overview
Specification
Applications
Downloads
FAQ

Overview

A self-stacking spiral belt forms a helical stack in which the stacking elements of each tier support the tier above.

The drive, infeed, outfeed and any guides or support components depend on the conveyor system design. Open mesh allows air to pass through the belt during processing.

Self-stacking spiral belt installation in spiral freezer tower

Self-stacking spiral freezer belt showing interlocking coil structure

Features and Benefits

Self-Stacking Construction

Adjacent belt tiers support one another to form a compact spiral arrangement.

Open Mesh Surface

The mesh provides product support while allowing airflow through the belt.

Configured for Your System

Width, tier height, mesh and edge construction are selected to suit the equipment and application.

Replacement Options

Complete belts and replacement sections can be supplied after the existing belt and system interfaces have been reviewed.

Stainless Steel Construction

SS 304 and SS 316L are available. Material selection depends on the product, operating conditions and cleaning process.

Cleaning and Maintenance

The open construction allows access for cleaning and inspection in accordance with the equipment and site sanitation procedures.

Technical Construction

The belt combines mesh, cross rods and stacking elements. Spiral arrangement, edge details and other construction features are configured to suit the equipment and the original belt for each order.

Self-stacking spiral freezer belt edge detail showing tension links and welded edge

Self-stacking spiral belt construction — pigtail interlocking spirals and cross rod assembly

Replacement and Splice-In Sections

We supply complete replacement belts and replacement sections. Suitability for joining a new section to an existing belt depends on the old belt construction, wear condition and equipment interfaces. Send photos, drawings or a sample so the joining requirements can be reviewed.

Material Options

Stainless Steel 304

A common choice for many food processing applications.

Stainless Steel 316L

Can offer improved corrosion resistance in some chloride-containing environments.

Confirm the material grade against the product, cleaning chemicals, temperature and applicable requirements.

Need a self-stacking belt matched to your system?

Send the system model, belt dimensions and photos or a drawing. We can help identify the information needed.

Request a Quote Email Requirements WhatsApp: +86-153-6967-9157 Download Catalogue

Specifications

Self-stacking spiral belts are supplied in a range of widths, tier heights and mesh configurations. The final specification is confirmed according to the conveyor system and application.

Self-Stacking Spiral Freezer Belts Technical Specifications

Parameter	Specification
Coil Wire Diameter	1.50, 1.60, 1.70, 1.80 mm
Coil Pitch	6.00–20.00 mm; custom within this range
Cross Rod Diameter	5.00, 6.00, 7.00 mm
Cross Rod Pitch	30.00 mm
Tier Height	60.00, 80.00, 100.00, 120.00 mm
Available Widths	420.00, 580.00, 640.00, 760.00, 920.00, 1060.00 mm; custom widths on request
Edge Finish	Welded
Spiral Direction	Clockwise or counter-clockwise construction
Running Direction	Reverse operation is available; confirm the belt and system requirements
Material	SS 304, SS 316L

Note:

Dimensions are for reference. Available combinations, width and tier-height measurement points, stacking geometry and drive interface are confirmed against the system or approved drawing.

Confirm your belt and stacking dimensions

Share the belt width, tier height, coil pitch, wire and rod dimensions, total belt length and photos of the stacking and drive interfaces.

Request a Quote Email Requirements WhatsApp: +86-153-6967-9157 Download Catalogue

Applications

Self-stacking belts are used in spiral food-processing systems for freezing, cooling and proofing. Suitability depends on the belt construction, system design, temperature, humidity and cleaning conditions.

Vegetables & Fruits

For suitable spiral freezing systems handling vegetables and fruit.

Meat & Poultry

For spiral freezing of meat cuts, poultry and prepared products.

Seafood

For spiral freezing of fish, shrimp and other seafood, with material selected for the operating and cleaning environment.

Bakery Products

For suitable freezing, cooling or proofing systems handling dough and bakery products.

Ice Cream & Dairy

For suitable spiral freezing and cooling systems handling dairy products and ice cream.

Ready-to-Eat Foods

For suitable spiral processing systems handling pizza, meals and snacks.

Application Examples

Meat & Poultry Freezing

Self Stacking Spiral Belts for Proofing and Freezing

Proofing & Freezing

Ready-to-Eat Foods

Seafood Freezing

Selecting a Spiral Belt Configuration

The belt type must match the conveyor support and drive design. See our Edge Drive Spiral Freezer Belts and Spiral Freezer Belts , or send photos for help identifying your belt.

Discuss your application

Tell us about the product, system model, operating conditions and any photos or drawings available.

Request a Quote Email Requirements WhatsApp: +86-153-6967-9157 Download Catalogue

Downloads

Browse the product information or download the enquiry form. If you are unsure of the specifications, simply send us photos of your existing belt or a drawing. Fill in only the details you know.

Self Stacking Spiral Belts When to use it: Review the existing product information and construction. This document is for reference; no filling is required. PDF

Self-Stacking Spiral Belt Enquiry Form 2026 When to use it: Share the belt dimensions and application details you know for a replacement or new project. If unsure, send photos or a drawing. PDF

PFM SCREEN Mesh Conveyor Belt Product Catalog When to use it: Browse the wider range of metal conveyor belts and related products. PDF

You only need to provide the details you know. Leave unknown fields blank and attach photos or drawings if available.

Ready to request a belt quotation?

Email your completed form, or send photos and your basic requirements directly. Include the system model, belt dimensions and operating conditions if known.

Request Quote Now Email Form or Photos WhatsApp: +86-153-6967-9157 Download Catalogue

Frequently Asked Questions

Common questions about self-stacking spiral belts, replacement and applications

Q1. What is a self-stacking spiral belt?

The stacking elements of adjacent tiers support each other in a compact helical arrangement. The drive and other support or guide components depend on the equipment design.

Q2. Can you supply a replacement belt?

Yes. Complete belts and replacement sections can be supplied to suit the system. We review dimensions, stacking geometry, running direction and drive interfaces before confirming the configuration.

Q3. Can a new section be joined to my existing belt?

A replacement section may be suitable after checking the existing belt construction, wear condition, joining details and equipment interfaces. Send photos, a drawing or a sample for review.

Q4. Which directions are available?

Clockwise and counter-clockwise constructions are supplied. Reverse operation is available; please confirm the required operation and system design when enquiring.

Q5. What information should I send?

A photo or drawing and the belt width, tier height and equipment model are a useful start. If known, include belt length, coil and cross rod dimensions, material and running direction.

Q6. Which material should I select?

SS 304 and SS 316L are available. Selection depends on the food product, cleaning chemicals, temperature and corrosion exposure. Tell us your conditions and documentation requirements.

Q7. Can these belts be used for cooling or proofing?

Self-stacking belts can be used in suitable spiral cooling or proofing systems. The final configuration is matched to the equipment, temperature, humidity and product requirements.

Q8. How should the belt be maintained?

Inspect the belt, stacking elements, joints and drive interfaces for wear or damage. Follow the equipment manufacturer's maintenance instructions and your site's validated cleaning procedures.