YIYI Mesh Belt Small Radius Spiral Freezer Belt Technical Specification
Check what matters before you request a quote: key dimensions in mm and inches, pitch options, edge options, drive sprocket options and typical applications. Compare it with your current belt or drawing, then send us the drawing or photos of your old belt for review.















Text version of this document
Page 1. TECHNICAL SPECIFICATION SMALL RADIUS SPIRAL FREEZER BELT Compact spiral configurations Dimensions in mm and in PROVEN · STABLE · VERIFIED
Page 2. MANUFACTURER A manufacturer supporting your belt specification Ningjin Yiyi Mesh Belt Co., Ltd. YIYI MESH BELT manufactures metal conveyor belts and related conveyor components in Ningjin, Shandong, China. Manufacturing experience since 1998. Current company established in 2008. OEM equipment builders, professional distributors and replacement-belt buyers can submit drawings and application details for engineering review. Custom projects: drawing approval, trial production and final inspection before shipment.
Page 3. APPLICATIONS Typical applications Typical uses in compact spiral systems. Configuration is confirmed on the approved equipment drawing. 01 COMPACT SPIRAL CONVEYING For compact spiral conveyor systems. Inner and outer rod pitch, belt width and turn ratio are confirmed with the equipment geometry. 02 SMALL-RADIUS FREEZING For freezing applications in small-radius spiral systems. Material and edge construction are selected for the freezer design. 03 COOLING For product cooling in compact spiral systems. Belt configuration follows the approved equipment drawing. Suitability depends on the belt specification, material, operating conditions and equipment design.
Page 4. PRODUCT OVERVIEW Small-radius configuration COMPACT TURN Turn-ratio coefficient 1.1 MATERIAL OPTIONS SUS 304 / SUS 316 CUSTOM BUILD 300–1200 mm 11.81–47.24 in belt width
Page 5. SPECIFICATIONS Dimensional options Parameter Metric (mm) Inch (in) Spiral pitch 5–23 0.197–0.906 Rod pitch: inner / outer 19.05 / 27.4 27.4 / 38.1 0.750 / 1.079 1.079 / 1.500 Rod diameter 5 0.197 Spiral wire diameter 1.2 / 1.4 / 1.5 1.6 / 1.7 / 1.8 0.047 / 0.055 / 0.059 0.063 / 0.067 / 0.071 Belt width 300–1200 11.81–47.24 Belt length To approved drawing To approved drawing Listed options require project selection. Custom dimensions follow the approved drawing. 1 in = 25.4 mm. Inch equivalents are rounded references, not manufacturing tolerances.
Page 6. SPECIFICATIONS Materials and configuration options Parameter Selection Product family Small Radius Spiral Freezer Belt Material SUS 304 / SUS 316 Reference turn ratio 1.1, subject to the approved equipment geometry Surface treatment Pickling / electropolishing Edge construction Button welded / flat-hat welded / rod welded Pitch combinations Inner and middle pitches are equal in the illustrated configurations Select materials, geometry and components together for the application and approved drawing.
Page 7. Rod pitch configuration A MIDDLE PITCH 19.05 mm / 0.750 in CONFIGURATION INNER PITCH 19.05 mm / 0.750 in OUTER PITCH 27.4 mm / 1.079 in
Page 8. Rod pitch configuration B MIDDLE PITCH 27.4 mm / 1.079 in CONFIGURATION INNER PITCH 27.4 mm / 1.079 in OUTER PITCH 38.1 mm / 1.500 in
Page 9. Configuration A with 660 mm / 25.98 in belt width 1.1 660 mm 25.98 in REFERENCE TURN RATIO / WIDTH CONFIGURATION Reference turn ratio: 1.1. Final belt and equipment geometry follow the approved drawing.
Page 10. Configuration B with 1067 mm / 42.01 in belt width 1.1 1067 mm 42.01 in REFERENCE TURN RATIO / WIDTH CONFIGURATION Reference turn ratio: 1.1. Final belt and equipment geometry follow the approved drawing.
Page 11. CONFIGURATION Edge construction options BUTTON WELDED Compact retained rod end FLAT-HAT WELDED Low-profile finished end ROD WELDED Direct welded retention
Page 12. CONFIGURATION Surface treatment options PICKLING ELECTROLYTIC POLISHING Select the required surface treatment for the material and application.
Page 13. Stainless-steel sprockets: SUS 304 / SUS 316 BORE / KEYWAY TO CONFIRM MATCHING SPROCKETS MACHINED PROFILE TEETH TO CONFIRM Confirm belt pitch, tooth count, bore, keyway and mounting dimensions (mm / in). Match the sprocket profile and material to the approved equipment drawing.
Page 14. Polymer sprockets: Nylon / UHMWPE / POM UHMWPE MATCHING SPROCKETS NYLON POM Confirm belt pitch, tooth count, bore, keyway and mounting dimensions (mm / in). Match the sprocket profile and material to the approved equipment drawing.
Page 15. PROVEN · STABLE · VERIFIED Metal Conveyor Belt Manufacturer Email: info@yiyimeshbelt.com Phone / WhatsApp: +86 134 5177 3742 Website: www.yiyimeshbelt.com www.yiyimeshbelts.com Company: Ningjin Yiyi Mesh Belt Co., Ltd. Send Your Drawing for Specification Review Belt dimensions (mm / in) Equipment and application Operating conditions Drive and shaft details Existing belt photos / sample Request an Engineering Review for OEMs & Professional Distributors © 2026 Ningjin Yiyi Mesh Belt Co., Ltd. All rights reserved. YIYI Mesh Belt’s original technical content, photographs and videos in this document and on www.yiyimeshbelt.com and www.yiyimeshbelts.com may not be reproduced or reused without prior written permission. Third-party materials remain the property of their respective owners.