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BL-06

Rubber Conveyor Belt for Industrial Duty

Rubber conveyor belt for mining, quarry, port and plant duty in South Africa. Send one free request and suppliers quote you directly on grades and widths.

  • Quotes from: Conveyor belting suppliers
  • Area: All nine provinces
  • Cost to you: Free, no obligation
A wide black rubber conveyor belt carrying crushed stone through a South African quarry plant
A wide black rubber conveyor belt carrying crushed stone through a South African quarry plant

A rubber conveyor belt is the standard choice for moving bulk material in South Africa, from coal and ore to aggregate and grain. The right belt depends on the rubber grade, the carcass and the width, not only on the price. ConveyorBelting.co.za is a free quote-request service. Describe your material, tonnage and conveyor, and we pass your request to independent belting suppliers who quote you directly. We do not make or sell belts ourselves, the request is free and you are under no obligation to accept any quote.

How a rubber conveyor belt is built

A rubber belt has a carcass that carries the tension and rubber covers that protect it. Textile carcasses use EP (polyester and nylon) or NN plies, with ratings such as EP630/4. Steel-cord belts use ST ratings for long, high-tension lines. The top cover meets the material, the thinner bottom cover meets the pulleys and idlers. Edges are moulded or cut. General textile belting follows SANS 1173, and steel-cord belting follows SANS 1366.

Conveyor belt rubber grades

The rubber compound must suit the duty. Common conveyor belt rubber grades include:

  • Abrasion grades such as SANS 1173 grade M and N, or DIN W, X, Y and Z
  • Heat-resistant rubber for hot clinker, sinter or ash
  • Oil-resistant rubber for fats, oils and recycled material
  • Fire-resistant belts tested under ISO 340 or SANS 971 for coal

Abrasion is compared using ISO 4649 or DIN 53516 test results.

Choosing width, strength and cover

Width depends on tonnage, belt speed, material density and lump size. Common SA widths are 600, 750, 900, 1050, 1200, 1350, 1500 and 1800 mm. Strength depends on tension, length and the number of plies. A sharp, heavy or hot material needs thicker covers. A long belt may need steel cord. Troughing angles of 20, 35 or 45 degrees, pulley diameters and the take-up system should match the belt chosen. Your supplier can check these against the drawing.

Joining and care

Rubber belts are joined by hot vulcanised splice, cold bonding or mechanical fasteners. A hot splice usually gives the strongest and longest-lived joint. Keep belts clean, track them straight, maintain the idlers and use scrapers and skirting to cut carryback and spillage. Store rolls on their sides in the shade, away from oil and ozone sources. Ask for the manufacturer's data sheet and a joint procedure for your belt. Plan a regular inspection of covers, edges and joints, and measure cover wear so you can order the next belt before the carcass is exposed. Keep a record of splice dates and repairs for each belt, because this history helps the supplier advise on the next order.

Comparing rubber conveyor belts quotes

Prices change with rubber and steel costs, the exchange rate and stock levels. When quotes arrive, check:

  • Exact specification: width, carcass and strength, cover grade and thickness, or the part number, size and standard.
  • Quantity and units: per metre, per roll, per item or per set, and any minimum order or cutting charge.
  • Lead time: ex stock, or imported or made to order, and how long that takes.
  • Delivery and VAT: transport to site, offloading of heavy rolls, whether VAT is included and how long the price holds.

What to include in your request

  • Belt width, length and conveyor speed
  • Material carried, lump size and tonnes per hour
  • Temperature, oil or fire-resistance requirements
  • Current belt rating and cover thickness if known
  • Splicing, delivery town and timing

Frequently asked questions

Are you a rubber conveyor belt supplier?
No. ConveyorBelting.co.za is a free quote-request service. We pass your request to independent belting suppliers who quote you directly. There is no charge for the request and no obligation to go ahead with any quote.
What rubber grade do I need?
It depends on the material and conditions. Abrasive ore and rock call for high-abrasion grades, hot material needs heat-resistant rubber, oily material needs oil-resistant rubber, and underground coal needs fire-resistant belting. Tell the supplier what you carry and how it is loaded.
How do I read a rating like EP630/4?
EP means polyester and nylon plies. The 630 is the belt's strength in newtons per millimetre of width, and the 4 is the number of plies. Together they describe the carcass. The cover grades and thicknesses are stated separately on the quote.
How long does a rubber conveyor belt last?
Life depends on the material, tonnage, cover thickness, loading, cleaning and maintenance. A well maintained belt on a clean duty can last many years, while sharp or hot material shortens it. Suppliers can estimate life from your operating details.

Rubber Conveyor Belts by province

Rubber Conveyor Belts by city and town

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