Buy Aramid & Kevlar Belts Online in Australia
Aramid + Kevlar V-Belt Selection — Quick Reference
Aramid + Kevlar reinforced drive belts deliver SUPERIOR shock resistance + high tensile strength + MINIMAL elongation vs standard polyester-cord V-belts. Right choice for drives subject to shock loading + heavy mining + crushers + slip-stick + start-stop operation.
| Aramid Belt Type | Best For | Notable Spec |
|---|---|---|
| Gates Predator Single V-Belt | Mining + crushing + extreme shock — see single Predator | Aramid tensile cord |
| Gates Predator Banded V-Belt | Heavy multi-belt drives + anti-whip | See banded Predator |
| Gates PolyChain GT Carbon Belt | Carbon-fibre reinforced — highest power density | See PolyChain |
| Standard Classical Sections A/B/C/D | Direct replacement of standard belt with aramid cord | Per section spec |
| Narrow Wedge SPZ/SPA/SPB/SPC | Higher-power compact drives — aramid cord | Per section |
| FRAS-Rated Aramid (Mining Underground) | FRAS + aramid combined — mandatory underground | See FRAS belts |
Why aramid: Aramid (Kevlar) tensile cord — 3-5× higher tensile strength than polyester + minimal stretch under load. Result: belt holds tension over service life + survives shock that snaps standard belts + reduces re-tensioning maintenance. Cost premium ~30-50% but justified for shock-load + mining + heavy industrial. Pulley match: aramid belts work in standard pulleys — no special sheave needed. Brand: Gates. Companion: all belts, Predator belts, banded Predator, FRAS belts, V-belt size chart.
Aramid Belts
Aramid & Kevlar reinforced drive belts deliver superior shock resistance, high tensile strength, and minimal elongation compared to standard polyester-cord V-belts — making them the right choice for drives subject to shock loading, pulsating torque, or applications where standard belts stretch and require frequent re-tensioning. AIMS Industrial stocks aramid V-belts primarily from Gates, the world's leading belt manufacturer, with additional options from Pix for value-priced applications.
Gates Aramid Belts — Our Primary Range
- Gates Predator Classical Aramid V-Belts: The Gates Predator is the benchmark aramid V-belt for Australian industry — available in A, B, C, and D sections with aramid tension cord for drives that punish standard belts. Predator belts resist shock loading, maintain tension with minimal elongation, and are the standard recommendation for reciprocating compressors, jaw crushers, wood chippers, and any drive with pulsating or reversing torque.
- Gates Predator Narrow (SPZ/SPA/SPB/SPC) Aramid Belts: Narrow section Gates Predator belts for compact high-power drives — the aramid cord allows higher power transmission in the same belt cross-section as standard narrow belts, making them the preferred choice where space constrains pulley width or belt quantity.
- Gates Titan Banded Aramid Belts: Banded (joined) aramid belt sets for drives prone to belt whip, vibration, or turnover — the Titan's banded construction ties multiple Predator belts together, stabilising long centre distance drives and pulsating loads such as reciprocating compressors and heavy crushers.
- Gates Oil & Heat Resistant Aramid Belts: Gates aramid belts are also available with oil-resistant rubber compounds for drives exposed to oil splash or contamination — delivering both the strength advantage of aramid cord and the longevity of oil-resistant belt body material.
Pix Aramid Belts — Value Range
- Pix Aramid V-Belts: PIX manufactures classical and narrow section aramid V-belts as a value-priced alternative for less demanding applications. PIX aramid belts follow ISO and RMA dimensional standards, making them dimensionally interchangeable with Gates Predator belts where performance requirements allow a step down in specification.
Aramid Belt Selection Guide
- When to Specify Aramid: The clear indicator for aramid is premature standard belt failure — either through stretching (requiring frequent re-tensioning) or cord fatigue under shock or pulsating load. Aramid cord provides approximately 4–5× the tensile modulus of polyester cord, virtually eliminating creep elongation.
- No Reverse Bend Applications: Aramid cord does not tolerate tight reverse bending over backside idlers. Drives using aramid belts must use inside idlers only and must meet the manufacturer's minimum pulley diameter for the belt section. Always verify drive geometry before specifying aramid.
- Installation Tension: Aramid belts require higher initial installation tension than standard polyester-cord belts due to their lower elongation. Follow Gates' published tension specifications for aramid-cord belts — standard belt tensioning procedures will under-tension an aramid belt.
- Belt Matching: Unlike rubber belts, Aramid/Kevlar belts won’t stretch, so they won’t adjust length. This means that if you are running a set of belts on one pulley, they should all be replaced at the same time and it is critical that the set be matched so that lengths are identical when fitted.
Australian Business, Local Supply: As a proudly Australian business since 1988, we stock locally and work with trusted local Australian manufacturers and distributors to ensure fast, reliable supply.
Expert Support: Need help buying the right product for your application? Contact our team for application-specific advice or request a quote.
Also see our Heavy Duty Drive Belts, Banded Belts, and Pulleys ranges.
People Also Ask — Aramid (Kevlar) V-Belts
Q: What's an aramid V-belt?
An aramid V-belt uses aramid (Kevlar-type) tensile cord instead of standard polyester or fibreglass cord. Aramid has dramatically higher tensile strength and resistance to shock loading — used in heavy-duty applications: mining drives, crusher belts, rock breakers, and any application with high torque, shock load, or where standard V-belts fail prematurely. Gates Predator and Banded Predator are the typical aramid belt examples. AIMS stocks aramid belts as the heavy-duty premium tier.
Q: Aramid V-belt vs standard V-belt?
Standard V-belt (polyester or fibreglass tensile cord): suits general industrial drives, fans, pumps, conveyors. Aramid V-belt (Kevlar tensile cord): suits high-torque, shock-load, and harsh environments — mining crushers, rock breakers, log saws, agricultural drives. The cost difference is significant but justified where standard belts fail every few months. For workshop drives at moderate loads, standard V-belts are sufficient and more cost-effective. For mining and heavy industrial: aramid pays back.
Q: When do I need a Gates Predator over a standard Gates V-belt?
Gates Super HC (standard narrow wedge): general industrial drives, normal operating conditions. Gates Predator (aramid): heavy-duty drives with shock loading, mining applications, applications where standard belts have shown premature failure. The Predator costs more but lasts dramatically longer in heavy-duty applications — the cost per running hour is often LOWER on aramid belts. See [V-Belt Problems & Solutions](/blogs/product-guides/blog-v-belt-problems-solutions).
Q: Can I run aramid belts on standard pulleys?
Yes — aramid V-belts use standard V-belt profiles (A, B, C, D, E or SPZ, SPA, SPB, SPC) and run on standard V-belt pulleys. The difference is internal construction, not external geometry. For drive upgrade from standard to aramid V-belt: simply replace the belt with the matching profile and length. Verify pulley condition while making the change — heavily worn pulleys reduce belt life regardless of belt quality.
Q: FRAS aramid belts for mining?
For underground coal mining and underground operations requiring fire-resistant anti-static belts: dedicated FRAS-rated belts comply with ISO 1813 and TRG 3608 (NSW Resources Regulator, supersedes MDG 3608 since November 2024). Standard aramid V-belts are NOT FRAS-rated unless specifically certified. Always specify FRAS for any underground or flame-risk environment. AIMS supplies Gates FRAS-rated belts for mining specifications.