A washing line soaks the belt all day. It must carry produce, let water and dirt fall through, and stay sound under constant spray.
Vegetable and fruit washing lines commonly use a Chain Driven Belt, an Eye Link Belt or a Flat Wire / Honeycomb Belt. Choose by produce size, drainage, whether the belt climbs out of a tank, and how it is cleaned. Flights help on inclines. Material and chain are matched to the water and cleaning chemicals.
We are YIYI Mesh Belt (Ningjin Yiyi Mesh Belt Co., Ltd.), a manufacturer of engineered metal conveyor belts for equipment manufacturers, professional distributors and industrial end users, based in Ningjin, Shandong, China. Our manufacturing experience dates back to 1998; the current company was established in 2008. I am Sunny Ye. The older version of this article described chain driven belts as plastic or metal links and promised lower water and energy use. Here is what actually matters on a washing line.
At a Glance
| Topic | Metal belts for vegetable and fruit washing lines |
|---|---|
| Families to review | Chain Driven Belt, Eye Link Belt, Flat Wire / Honeycomb Belt |
| Main checks | Produce size, drainage, incline and flights, tank exit, spray cleaning |
| Material | SUS304 or SUS316 for the belt and chain, by water and chemicals |
| What to send | Produce, width and length, incline, old belt, chain and sprocket photos |
Which Belt Families Suit Washing Lines?
Three families are commonly reviewed for washing. A Chain Driven Belt carries mesh between side chains, suits inclines and tank exits, and handles wider lines. An Eye Link Belt gives an open, chain-edged surface. A Flat Wire / Honeycomb Belt gives a very open, light surface for flat sections and drying.
| Family | Typical role in washing | Key references |
|---|---|---|
| Chain Driven Belt | Tank exit, inclines, wide lines | Chain pitch 12.7–63.5 mm; width 300–5,000 mm |
| Eye Link Belt | Open washing and draining sections | Rod pitch 25.4–76.2 mm; width 300–3,000 mm |
| Flat Wire / Honeycomb Belt | Flat washing, drying, inspection | Pitch 12.7–40 mm; width 200–4,000 mm |
The older version of this article described chain driven belts as "plastic or metal links". Our Chain Driven Belts are metal: mesh carried on metal side chains, reviewed as a belt, chain and sprocket system.
Sunny's view: If the belt lifts produce out of a water tank, start with a chain driven belt and flights. Then we check the details.
How Do Produce Size and Shape Affect the Belt?
Small produce such as peas, beans or berries needs a closer mesh so pieces do not fall through or wedge. Round produce such as tomatoes or potatoes can roll on inclines, so flights or a textured surface help. Leafy produce needs open area and gentle support. The smallest item sets the design.
| Produce | Belt consideration |
|---|---|
| Peas, beans, berries | Closer mesh, check wedging |
| Tomatoes, potatoes, apples | Flights on inclines, gentle transfers |
| Leafy greens | High open area, even support |
| Root vegetables with soil | Open structure, robust mesh, easy cleaning |
Applications are confirmed project by project. Tell us the full range of produce the line runs, not just the main one, so the belt suits all of it.
Sunny's view: Send me the smallest item your line washes. If it can fall through or wedge, that decides the mesh.
When Do You Need Flights or Side Guards?
Add flights when the belt climbs an incline, especially out of a water tank, so produce does not roll back. Add side guards when produce could fall off the edges. Flights and guards add weight and more surfaces to clean, so choose their height, spacing and fixing with the produce and the cleaning method.
- Flight height: from the produce size and incline angle
- Flight spacing: from the load per section and the transfer
- Side guards: for round or loose produce
- Fixing: welded or fixed to rods, confirmed on the drawing
Accessories are confirmed per project. Every added part needs to be reached by spray during cleaning, so we review cleaning access with the design.
Sunny's view: Send me the incline angle and a photo of the produce on the belt. Flight height follows from those two.
Which Material Suits Constant Water and Cleaning?
Washing lines are wet all day and often use chlorinated water or sanitisers. SUS304 suits many lines; SUS316 is worth reviewing where chlorine, salt or strong cleaning chemicals are used. Match the chain and sprocket material to the belt, because a carbon steel chain on a stainless belt rusts and stains produce.
| Condition | Material to review |
|---|---|
| Fresh water, mild cleaning | SUS304 belt and chain |
| Chlorinated water or sanitisers | SUS316, plus thorough rinsing |
| Salt or brine washing | SUS316 |
Each incoming material batch is checked against Material Documentation, with spectral and hardness testing. Read SUS304 or SUS316 for a conveyor belt.
Sunny's view: Ask your water treatment supplier for the chlorine level. That number helps me choose the grade.
What Should You Check on the Drive in a Wet Line?
In wet lines, chains and sprockets wear faster and debris collects at the drive. Check chain pitch and stretch, sprocket teeth, and that both sides drive equally. Keep the drive section clean, and plan to replace worn sprockets with the belt so the new chain engages correctly from the start.
- Chain pitch over ten links, to track stretch
- Sprocket tooth wear: hooked or polished teeth
- Equal drive on both sides
- Debris and soil at the drive and take-up
- Wear strips and supports under the belt
Read how to choose the chain for a chain driven belt and how to choose a metal belt for washing lines (yiyimeshbelts.com).
Sunny's view: Soil at the drive is the hidden enemy of a washing line. Clean the sprockets as carefully as the belt.
What Changes After Washing, in Dewatering and Drying?
After washing, produce often passes over a dewatering or drying section with air knives or vibration. The belt there needs high open area for air, even support so produce is not blown off, and a structure that does not trap water. A Flat Wire / Honeycomb Belt is commonly reviewed for these sections.
- Open area: lets air reach the underside of the produce
- Even support: keeps light produce from lifting in the air stream
- Low water retention: fewer places for water to sit between wires
- Transfer from the washer: gap and speed match at the hand-over
The air system belongs to the equipment builder; the belt has to fit it. Our Flat Wire / Honeycomb Belt references cover pitch 12.7–40 mm and widths 200–4,000 mm, with washer welded, clinched or rod welded edges.
If produce is still wet at the end of the line, check the air knives and belt speed with the builder before changing the belt.
Sunny's view: Send me a photo of the drying section with the air knives in view. It shows how much support the produce needs.
How Should a Washing Line Belt Be Cleaned and Inspected?
Clean the belt, chains and sprockets at the end of each run, remove soil and plant debris from the drive and supports, and rinse off any sanitiser. Inspect edges, flights, welds and chain links at each planned stop. Debris left at the drive wears sprockets faster than the washing itself wears the belt.
- Remove soil and debris from the drive, take-up and supports
- Rinse sanitisers and chlorinated water off the belt and chain
- Check flights and side guards for bending or loose fixings
- Measure chain pitch over ten links every few months
- Keep a maintenance log with dated photos
Read how to maintain and repair a metal conveyor belt for a full routine, and why stainless steel belts rust for corrosion.
Sunny's view: A five-minute rinse of the drive at the end of the shift saves a sprocket replacement later in the season.
What Should You Send for a Washing Line Belt?
Send the produce range, line type, width and length, incline angle, whether the belt exits a tank, flights and guards, old belt photos with edges and chains, sprocket photos, the water and cleaning chemicals, and a drawing if you have one. Photos support a preliminary quote; a drawing or sample confirms it.
Checklist
- Produce: types, smallest and largest item
- Line: washer type, tank exit, incline angle
- Width, length and carrying width
- Flights and side guards: height and spacing
- Chain and sprockets: pitch, tooth count, photos
- Water and cleaning chemicals
- Drawing or sample, if available
For formal orders we prepare a drawing for your approval, run trial production and a complete first article, and inspect every belt before packing. Lead time is confirmed for each order.
Sunny's view: One photo of the belt leaving the water tank tells me more about the design than any spec sheet.
When This Is Not the Right Approach
Some washing equipment uses rollers, brushes or plastic modular belts by design. If your washer was built for one of those, changing to a metal belt needs the equipment builder's review. We do not supply plastic belts.
The older version of this article claimed savings in water, energy and labour. We do not make those claims; they depend on the washer design, not the belt.
From Our Engineering Experience
For washing lines, the questions we ask most are about the smallest produce, the incline out of the tank and the chain condition. Most running problems we see in washing lines start at the drive, not the mesh.
We do not have a washing line case we can publish here, so this article describes our review. If you need references, ask us and we will share what we can with the customer's permission.
FAQ
Which belt is used for vegetable washing?
Chain Driven, Eye Link and Flat Wire / Honeycomb Belts are commonly reviewed, depending on produce and line layout.
Do washing belts need flights?
On inclines, especially out of a water tank, flights stop produce rolling back.
Which material suits chlorinated water?
SUS316 is worth reviewing, with thorough rinsing. Match the chain to the belt.
Are your chain driven belts plastic?
No. Our Chain Driven Belts are metal mesh on metal side chains.
What should I send for a quote?
Produce range, line type, width and length, incline, flights, chain and sprocket photos, water and cleaning details.
Conclusion
Choose a washing line belt from the produce, the line layout and the water chemistry, with flights on inclines and a matched chain. Confirm it on a drawing.
Need a washing line belt?
Send produce details, line layout, belt, chain and sprocket photos, and your cleaning chemicals. We review belt and drive together.
See Chain Driven Belt specifications →WhatsApp Sunny📄 Chain Driven Belt RFQ Application Sheet (PDF) · Email: info@yiyimeshbelt.com
Related reading: How to choose the chain for a chain driven belt · Eye link belts in food processing · Ready meal line belts · Belts for washing lines (yiyimeshbelts.com)
Sunny Ye
Global Sales Director, YIYI Mesh Belt · 15 years in metal conveyor belt projects
I work with spiral freezer builders, distributors and plant teams on belt selection and replacement. Questions about this article? Send them to me directly.
Follow Sunny on LinkedIn · Last updated: 2026-10-15
