Standard Pitch Modular Belt (1-Inch Picth Series)

The definitive engineering resource for the standard pitch modular belt. This page provides an exhaustive technical overview of the 1-inch (25.4mm) series—the most versatile pitch in the industry with over 30 variants spanning nine major product families. Designed for maintenance managers, system integrators, and procurement professionals, this guide covers everything from light-duty food processing to heavy-duty logistics applications.e.

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Introduction: The Universal Standard in Modular Conveying

O standard pitch modular belt with a 1-inch (25.4mm) pitch is the most widely adopted and versatile solution in the material handling industry. Its universal design has made it the cornerstone of countless conveying systems across food processing, packaging, automotive, and logistics sectors. This pitch size offers an optimal combination of strength, product stability, and smooth transfer, making it the default choice for modular belt for general conveying and the handling of medium-size products.
As the industry standard, this 1 inch modular belt ensures broad compatibility with components from various manufacturers, simplifying procurement and maintenance. The 25.4mm pitch boasts the most extensive product range of any modular belt pitch, with over 30 distinct variants organized into nine major series (FP-25401 through FP-25409). Whether you are designing a new plastic modular belt system, replacing a worn belt, or upgrading your line, the 1-inch series provides a reliable, cost-effective, and high-performance foundation.

Product Series Overview: Nine Families, Unlimited Applications

The 1-inch pitch’s unmatched versatility is demonstrated by its nine distinct product families, each engineered for specific application demands.

Light-Duty Series (FP-25403)

Engineered for delicate products and light-load applications, this series is ideal for bakery goods, electronics assembly, and small-part handling.
  • FP-25403A Flat Top: Smooth surface for gentle product contact, working load up to 13,100 N/m.
  • FP-25403C Circular Mesh (20% Open Area): Perforated design for drainage and airflow in food processing.

General Purpose Series (FP-25401, FP-25404)

The workhorse of the 1-inch family, these series represent the classic “Series 400” equivalents used worldwide for standard pitch modular belt for packaging and general manufacturing.
  • FP-25401 Series (7+ Variants): The most diverse family, including flat top, flat grid (40% open), circular mesh (4% open), rib mesh, and specialized lane dividers. Working loads from 400 N to 25,000 N/m depending on configuration.
  • FP-25404A Flat Top: Robust general-purpose belt with 19,800-21,000 N/m capacity.
  • FP-25404B Flat Grid (33% Open Area): Excellent drainage for wet processing environments.

Enhanced Grip & Drainage Series (FP-25405, FP-25408)

Designed for applications requiring superior grip or drainage, these series are essential for plastic modular belt for food packaging on inclines or in wet environments.
  • FP-25405B Flat Grid: Versatile grid design with excellent support and drainage.
  • FP-25405T Rib Mesh: Raised ribs provide stability and enhanced airflow.
  • FP-25408T Flat Grid with Raised Dots: Textured surface for extra grip without damaging products.
  • FP-25408B Flat Grid: Smooth grid for general drainage applications.

Side-Flexing & Turning Series (FP-25406, FP-25407)

For complex conveyor layouts requiring curves, spirals, or helical paths, these series eliminate the need for multiple drives and transfer points.
  • FP-25406W Turning Net Chain (56% Open Area): High open area for excellent drainage while navigating curves, working load up to 25,000 N/m.
  • FP-25407W Series (Multiple Variants, 42% Open Area): Three distinct turning chain configurations for different curve radii and load requirements, working loads from 16,000 N to 32,000 N/m.

Heavy-Duty & Specialty Series (FP-25402)

Engineered for extreme-load applications and specialized surface requirements.
  • FP-25402A Rhombic Reticulated Chain: Diamond-pattern surface for maximum grip, working load up to 40,200 N/m (metal variant)—the highest in the 1-inch family.
  • FP-25402Z Ball Type Mesh Chain: Integrated rollers for low-friction accumulation and sorting, working load up to 37,000 N/m.

Ultra-Heavy-Duty Logistics Series (FP-25409) – “Series 900” Equivalent

The ultimate choice for demanding logistics and warehouse automation, this series is characterized by exceptional strength and durability.
  • FP-25409A Flat Top: Built for heavy carton and case transport with a POM/PA working load of 35,000 N/m—capable of supporting approximately one ton per square meter.
  • FP-25409Q Ball Net Chain: Low-friction roller surface perfect for accumulation zones, sorting stations, and multi-directional movement in logistics hubs.
  • FP-25409A1 Flat Top with Anti-Slip Pads: Combines high load capacity (34,000 N/m) with rubber inserts for enhanced grip on inclines and declines.
Pitch 25.4mm plastic modular belt series
Plastic modular belt -Pitch 1inch

Technical Specifications: A Comparative Overview

This table highlights the key differences across the 1-inch series families, helping you make a quick, informed decision.
Série
Categoria
Max. Working Load (POM)
Tipo de superfície
Open Area
Key Application
FP-25403
Light-Duty
13,100 N/m
Flat Top / Circular Mesh
0-20%
Bakery, Electronics, Delicate Products
FP-25401
General Purpose
25,000 N/m
Flat Top / Grid / Rib Mesh
0-40%
General Conveying, Food Processing
FP-25404
General Purpose
21,000 N/m
Flat Top / Flat Grid
0-33%
Packaging, Manufacturing
FP-25405
Enhanced Grip
23,000 N/m
Flat Grid / Rib Mesh
Varies
Food Processing, Drainage
FP-25408
Enhanced Grip
17,200 N/m
Raised Dots / Flat Grid
Varies
Inclines, Wet Environments
FP-25406
Side-Flexing
25,000 N/m
Open Mesh
56%
Curves, Spirals, Complex Layouts
FP-25407
Side-Flexing
32,000 N/m
Open Mesh
42%
Tight Curves, Alpine Systems
FP-25402
Heavy-Duty Specialty
40,200 N/m
Diamond Pattern / Ball Top
0-11%
Extreme Loads, Low-Friction
FP-25409
Ultra-Heavy Logistics
35,000 N/m
Flat Top / Ball Top / Anti-Slip
Varies
Carton Transport, Logistics
Note: Working load values are for POM (Polyoxymethylene) or the highest-performing material in each series.

Engineering, Materials & Maintenance

Design for Unmatched Versatility

The 1-inch standard pitch plastic modular belt is engineered for adaptability across all nine series. Key design features include:
Robust hinge and rod connections ensure durability across all series, from the light-duty FP-25403 to the ultra-heavy FP-25409. The positive drive system, where sprockets engage with the underside of the belt, eliminates belt slippage and tracking issues common with traditional flat belts. This ensures precise movement and minimal maintenance. Many series feature open-hinge designs and FDA-compliant materials, making them suitable for easy clean modular conveyor belt requirements in the food industry.

Material Selection Guide

The right material choice is critical for optimizing performance and lifespan. The 1-inch series is available in multiple materials to suit different operating environments.
POM (Polioximetileno) is the workhorse material, offering the best combination of strength, stiffness, and low friction. It is ideal for heavy-duty and general-purpose applications. PP (Polipropileno) provides excellent chemical resistance, making it suitable for environments with exposure to acids or alkalis, though it has a lighter load capacity than POM. PE (Polyethylene) is best for low-temperature applications, such as frozen food lines, as it retains its impact resistance in cold conditions. PA (Polyamide/Nylon) offers superior toughness and resistance to heat and abrasion, often used for rod material in combination with POM or PP modules.

Melhores práticas de manutenção

Proper maintenance extends belt life and ensures uninterrupted operation. Regularly check sprockets for tooth wear and alignment, as proper engagement is crucial, especially in high-load systems like the FP-25409 series. In side-flexing applications (FP-25406, FP-25407) and heavy-duty systems, periodically inspect the hinge points for signs of stress or elongation. For food-grade applications, maintain a strict cleaning schedule to leverage the hygienic design and prevent contamination.
Conveyor Belt Maintenance

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FAQ: Your Guide to the 1-Inch Standard

What is the difference between a standard pitch and a small pitch modular belt?

The primary difference is the distance between the hinges (the pitch). A standard pitch vs small pitch modular belt comparison comes down to application. Standard pitch (1-inch/25.4mm) is a versatile, all-purpose choice for medium-to-large products and heavier loads. Small pitch belts are used for delicate or small-footprint products that require tight transfers and minimal gaps. Our modular belt pitch selection guide recommends standard pitch for over 80% of common conveying tasks.

When should I use a standard pitch modular belt?

Use um standard pitch modular belt for the widest range of applications, including beverage canning, carton transport, general packaging lines, and even automotive assembly. If your product is stable and not exceptionally small or delicate, the 1-inch series is almost always the right starting point. With nine series families and over 30 variants, there is a standard modular belt application for nearly every need.

Can I replace a Series 400 or Series 900 belt with your products?

Yes. Our FP-25401, FP-25404, and FP-25405 series are designed as direct, dimensionally-compatible equivalents to the industry-standard “Series 400” family. Our heavy-duty FP-25409 series is a robust equivalent to the “Series 900” class, often exceeding its load-bearing capacity. Always confirm sprocket compatibility before ordering.

How do I choose the right 1-inch series for my application?

Start with your load requirement and product characteristics. For light products (under 10 kg), consider FP-25403. For general conveying, FP-25401 or FP-25404 are excellent starting points. If you need curves, choose FP-25406 or FP-25407. For heavy cartons or cases, the FP-25409 series is your best option. Our technical team can provide detailed when to use standard pitch modular belt guidance based on your specific needs.

How do I order the correct 1-inch series belt?
To order the correct modular plastic belt conveyor for your needs, please provide:
1.Series Number: (e.g., FP-25409A, FP-25406W, FP-25401B)
2.Belt Width & Total Length
3.Material: (e.g., POM, PP, PA)
4.Surface Features: (e.g., Flat Top, Ball Net, Anti-Slip, Raised Dots)
5.Accessories: (e.g., Flights, Sideguards, Guide Rails)
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