Flat Flex Conveyor Belts also known as Enrober Conveyor Belts, Rod Network Conveyor Belts are distinguished by their unique construction and versatile applications. These belts are constructed from a series of looped wires that interlock with one another, creating a flexible and robust mesh. The simple structure makes it economical and lightweight. It can help to save costs and reduce downtime.
Flat Flex Conveyor Belts are widely used across various industries due to their lightweight, single-layer construction, and positive drive mechanism by sprockets. Made from stainless steel or spring wire, these Flat Flex Conveyor Belts come in wire diameters ranging from 0.8 to 3.0 mm, with pitches from 4 mm to 2000 mm, and belt widths from 10 mm to 3 meters. Custom dimensions can also be accommodated to meet specific requirements.
Flat Flex Conveyor Belts offering excellent resistance to corrosion, heat, and chemical exposure. The open area of the belt, which can reach up to 85%, allows for superior airflow and liquid drainage, making it particularly suitable for food processing operations that involve washing, frying, baking, freezing, or coating. This open mesh structure not only enhances thermal efficiency but also ensures even product exposure to heat or cooling, improving overall product quality and consistency. They are suitable for both straight and curved conveyor systems.
Flat Flex Conveyor Belts are known for their hygienic properties. Their simple and open design minimizes product contact points, which reduces the risk of bacterial contamination and simplifies the cleaning process. As a result, they comply with strict food safety regulations and are ideal for HACCP-compliant environments.
In addition to providing the right belts, we also offer matching sprockets and other components to ensure a complete and efficient conveyor system.
Flat Flex Conveyor Belts Advantages
• High Open Area: Up to 85% open surface area, ensuring excellent airflow and liquid drainage.
• Sanitary Design: Smooth surface and minimal contact points reduce bacterial buildup and are easy to clean.
• Lightweight Construction: Reduces energy consumption and stress on conveyor drives.
• Tight Transfers: Capable of handling small or delicate products with minimal product loss during transfer.
• Custom Configurations: Available in various materials, wire diameters, and mesh widths to suit specific application needs.
• Corrosion Resistance: Made from stainless steel and other corrosion-resistant alloys for long service life.
• Low Maintenance: Simple design minimizes downtime and maintenance costs.
• Smallest Diameter End Rolls and Drive Rolls: Allows for tight transfer and smooth product handling, even with small or fragile items.
• Positive Driven for Accurate Tracking: Ensures stable belt movement and precise product alignment throughout the process.
• Curved Rod Network Belt Design: Customizable to suit different machines and production requirements.maintenance costs.
Flat Flex Conveyor Belts Support & Help Info
Methods of endlessly connecting Flat Flex Conveyor Belts:
Flat Flex Conveyor Belts can be categorized by operating mode into Straight-running belts and Turn-curve belts: Straight-running belts are ideal for applications with linear conveying paths. They are widely used in baking, cooling, and drying processes where a straight-line movement is required. Turn-curve belts are designed for conveying paths that include curves or bends, typically ranging from 45° to 180°. These belts are suitable for space-constrained layouts and are commonly found in processes that involve compact routing or complex product flow.
Flat Flex Conveyor Belts are normally driven by toothed sprockets, made of stainless steel or plastic. These sprockets are made to fit the belt and are adapted to the diameter you wish.
Flat Flex Conveyor Belts for straight conveyors
Flat Flex Conveyor Belts for curve conveyors
Edge Availability
Flat Flex Conveyor Belts are available in three edge loop types:
C-shaped Edge / Single Loop Edge Combination: This edge design eliminates the possibility of the belt edge catching and tangling. It is available as an option for a selected range of Flat Flex belts.
Single Loop Edge: The most popular and standard wire mesh belt edge finish, ideal for general purpose use. It is the default standard for belts with wire diameters of 1.0 mm and above.
Double Loop Edge: This edge option is typically supplied for enrober belts and provides enhanced stability, ideal for precision-driven applications. Double Loop Edge is more durable and less likely to break.
Diverse combinations of pitch, wire diameter, mesh length and side finishing create a wide range of fit-for-purpose wire mesh conveyor belts.
C-shaped Edge
Single Loop Edge
Double Loop Edge
Material Availability
Flat Flex Conveyor Belts are available in a wide variety of materials, the standard is 304 stainless steel. Other materials available include: 316 stainless steel, various carbon steel, and high temperature performance materials
Material
Maximum Wire Operating Temperature °C
Carbon Steel
550
304 Stainless Steel
750
316 Stainless Steel
800
316L Stainless Steel
800
Drive Components
To ensure smooth and efficient operation of Flat Flex Conveyor Belts, properly matched drive components are essential. The performance and service life of the entire conveying system depend heavily on choosing the right sprockets, blanks, and transfer rollers. This selection should be based on the specific environmental and operational demands—such as exposure to high or low temperatures, corrosive materials, mechanical stress, and hygiene requirements.
At PFM SCREEN, we supply a full range of standard drive components compatible with Flat Flex Conveyor Belts, and we also offer custom manufacturing to accommodate special machinery or retrofit applications. Whether you're designing a new conveying line or replacing worn components, our precision-engineered solutions help you maintain consistent belt performance and minimal downtime.
Material Options for Drive Components
We offer several material choices to suit different usage environments:
304 Stainless Steel
Ideal for high-hygiene and high-temperature environments. This material offers outstanding resistance to rust and thermal deformation, making it a reliable choice in food processing lines where direct food contact and routine sanitation are required.
POM (Acetal) Engineering Plastic
Best suited for applications with moderate loads and stable temperature conditions (from -20°C to +80°C). It’s a food-grade material approved for direct contact and known for its rigidity, dimensional stability, and ease of integration in lightweight systems.
Nylon
Suitable for applications requiring low friction, quiet operation, and good wear resistance. Nylon performs well in environments with operating temperatures ranging from -40°C to +100°C, making it ideal for various medium-duty industrial settings where chemical resistance and noise reduction are beneficial.
Specifications
A: Width (Total) (Mm) B: Pitch (Mm)
C: Wire Diameter (Mm) D: First Space Width (Mm)
E: Centre Space Width(S) (Mm) F: Double Loop Space Width (Mm)
G: Single Loop Space Width (Mm)
Specifications of Flat Flex Conveyor Belts
Item
Wire diameter
(mm)
Pitch
(mm)
Open area
(%)
Edge type
FFCB-01
0.9
4.24
77
Single/ double
FFCB-02
0.9
5.64
82
Single/ double
FFCB-03
1.0
5.5
79
Single/ double
FFCB-04
1.0
5.6
79.5
Single/ double
FFCB-05
1.27
4.3
67
Single
FFCB-06
1.27
5.5
73
Single/ double
FFCB-07
1.27
6.0
76
Single/ double
FFCB-08
1.27
6.35
77
Single/ double
FFCB-09
1.27
7.26
80
Single/ double/ C-shape
FFCB-10
1.40
6.40
76
Single/ C-shape
FFCB-11
1.60
7.26
75
Single/ double/ C-shape
FFCB-12
1.83
12.00
81
Single
FFCB-13
1.83
12.70
82
Single/ C-shape
FFCB-14
2.08
9.60
75
Single/ C-shape
FFCB-15
2.35
12.70
78
Single/ C-shape
FFCB-16
2.35
20.32
85
Single
FFCB-17
2.80
12.70
72
Single/ C-shape
Note: Custom specification is available if you can't find the suitable size.
H: Overall Width (mm) L: Length (m)
P max: Maximum Pitch (mm) A: Wire diameter (mm)
P min: Minimum Pitch (mm) E: Single loop space width (mm)
R: Outside Radius(mm) N: Total number of spaces across belt
r: Inside Radius(mm)
Wire Diameter (mm)
Pitch Variation Across Width (mm)
Belt Width (mm)
Inside Radius (mm)
1.6
6.3 – 11
400 – 1000
800
1.83
7.5 – 20
254 – 1270
406
2.08
9.3 – 19
381 – 864
812
If you cannot find your specific specification in the table above, please consult with our sales for assistance.
Custom specification is available if you can’t find the suitable size.
Flat Flex Conveyor Belts Applications
Flat Flex Conveyor Belts are renowned for their versatility, hygienic design, and open mesh structure, making them a preferred choice across numerous industries—particularly in the food processing sector. They support smooth, gentle handling of delicate products and enable efficient processing with optimal airflow, drainage, and heat transfer.
Applications in the Food Industry
Flat Flex belts are widely used in food production lines where products undergo various processes such as:
Frying – e.g. chicken wings, potato products
Baking – e.g. bread, cookies, pastries
Cooling and Drying – e.g. meats, seafood, candies
Freezing – e.g. poultry, fish fillets, frozen meals
In addition, Flat Flex Conveyor Belts are commonly used in take-over sections between machines and conveyors, ensuring smooth, non-stick product transfer without manual intervention.
Enrobing Applications
Flat Flex Conveyor Belts are particularly suited for enrobing processes, where food items are coated with chocolate, icing, fondant, yogurt, or savory sauces. The open mesh design allows excess coating to drain efficiently while maintaining product support and alignment throughout the tunnel. They are often used with enrober machines featuring Double Loop Edges (also called gear wheel edges) for smooth integration.
Typical enrobed products include:
● Chocolate-coated candies or bars
● Iced or yogurt-coated bakery goods
● Glazed donuts and pastries
● Savory enrobed meat or cheese items
● Confectionery requiring precision coating
Common Food Products Processed
These belts are suitable for a broad range of food products, including:
● Small desserts and cakes
● Baked goods such as bread, biscuits, and pastries
● Meat and poultry products
● Seafood and fish fillets
● Chocolate and confectionery
● Nuts, seeds, and fruit
● Vegetables and potato-based snacks
● Flour-coated or glazed items
● Pizza and frozen prepared meals
Applications in Other Industries
Beyond food processing, Flat Flex Conveyor Belts are also widely applied in light industrial sectors, such as:
Pharmaceutical & chemical handling – clean and controlled product flow
Small parts washing and drying – effective drainage and airflow
Light-duty metal processing – smooth handling of delicate parts
Architectural mesh integration – specialty use in design or equipment facing
Printedcircuit board handling – Reflow Soldering Process
Flat Flex Conveyor Belts for Baked Goods Flat Flex Conveyor Belts for Baking
Flat Flex Conveyor Belts for Coating Flat Flex Conveyor Belts for Enrobing
Flat Flex Conveyor Belts for Food Products Flat Flex Conveyor Belts for Freezing
Flat Flex Conveyor Belts for Frying Flat Flex Conveyor Belts for Tempura Batter
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