DUNLOP STEELCORD

THE TOUGHEST, HARDEST WEARING,

LONGEST LASTING CONVEYOR BELTS IN THE WORLD

EXCEPTIONAL
WEAR RESISTANCE
DUNLOP STEELCORD CONVEYOR BELTS
The worldwide Fenner Dunlop Group has more than 40 years of experience in
FIRST CLASS
producing top quality steelcord belting. In Holland we combine that experience HANDLING CHARACTERISTICS
with the latest, most technologically advanced steelcord manufacturing line in
the world. This combination is used to produce belts that provide outstanding
reliability and durability and exceed just about every international standard EXCELLENT
imaginable. STRENGTH AND DURABILITY
TESTED TO THE LIMIT
UNRIVALLED TECHNICAL SUPPORT AND
The Dunlop laboratory housed in our manufacturing plant in the Netherlands
GUIDANCE
is at the very heart of our quality culture. It is here that we carry out exhaustive
When you buy from Dunlop Conveyor Belting
testing for essential properties such as tensile strength and elongation as
you get more than just quality conveyor belts.
well as key performance characteristics including abrasion, ozone and rip & We pride ourselves on providing an unrivalled
tear resistance. It is also here that every single batch of rubber compound is level of customer support. We have one of
checked and tested to ensure that every Dunlop conveyor belt consistently the largest, most experienced and highly
performs exactly as it is guaranteed to do. trained teams of conveyor belt specialists and
application engineers in the industry. That team
■■ Exclusively manufactured in Holland is on hand to provide our customers with help
and guidance both in the selection of the most
■■ Outstanding wear resistance – up to 50% longer operational lifetime (or cost-effective belts to use and problem solving.
more)
Our customer support services include:
■■ 100% ozone and UV resistant
■■ Low elongation ►► Cost-effective belt selection

■■ Excellent handling characteristics - reduced maintenance ►► Safety advice – fire resistant belt
standards
■■ Wide range of top quality covers designed to meet the toughest demands
■■ Tensile strengths ranging from 500 N/mm up to 5400 N/mm ►► Site visits and surveys

■■ Available in widths from 500 mm up to 1600 mm ►► Belt calculation services

■■ Safe to handle – REACH compliant ►► Technical training (on-site and Dunlop
■■ Custom-made specifications available on request based)

■■ Two-year guarantee against faulty workmanship and/or materials. ►► Splice training

►► Trouble shooting and problem solving

►► In-house research, testing and

development

►► After-sales support

HELPLINE ADDITIONAL INFORMATION

+31 (0) 512 585 555 WWW.DUNLOPCB.COM
We are never more than a phone call away when our customers need our help or advice. This service is
extremely well supported by our extensive network of highly reputable Dunlop Authorised Distributors,
Vulcanisers and Approved Agents.
TECHNICAL INFORMATION - THE DUNLOP STEELCORD RANGE
All specifications shown are according to EN ISO 15236 part 2 and DIN 22131
Minimum pulley diameters [mm] Minimum belt
Minimum cover Cord diameter Cord pitch Carcass weight
Type width*
thickness [mm] [mm] [mm] [kg/m2] Drive Tail/tension/bend Snub [mm]
ST500 4 2.7 14.0 4.9 500 400 315 400

ST630 4 2.7 11.0 5.4 500 400 315 400

ST800 4 3.5 12.0 7.5 630 500 400 400

ST1000 4 3.6 12.0 7.7 630 500 400 400

ST1250 4 4.4 14.0 9.8 630 500 400 500

ST1400 4 4.5 14.0 10.0 630 500 400 500

ST1600 4 5.2 15.0 11.8 800 630 500 500

ST1800 4 5.2 13.5 12.4 800 630 500 500

ST2000 4 5.2 12.0 13.3 800 630 500 650

ST2250 4 5.2 11.0 13.8 800 630 500 650

ST2500 5 6.7 15.0 17.1 1000 800 630 650

ST2800 5 6.7 13.5 18.1 1000 800 630 800

ST3150 6 7.6 15.0 20.9 1250 1000 800 800

ST3500 6 8.2 15.0 23.3 1250 1000 800 800

ST4000 7 8.6 15.0 25.3 1250 1000 800 800

ST4500 7 9.4 16.0 28.3 1400 1250 1000 1000

ST5000 8 10.2 17.0 30.2 1600 1400 1250 1000

ST5400 8 10.6 17.0 32.5 1800 1600 1400 1000

* The load support of a belt is a factor of the belt width, belt strength and bulk material density. The
THICKNESS OF THE BELT table indicates the minimum belt width required for good troughability based on three idlers of the
same length set at 30°.
To calculate the thickness of the belt please add the total thickness of the covers to the
Other carcass constructions and belt strengths are available upon request.
cord diameter. To determine the approximate belt weight per square meter simply multiply
the sum of the covers by 1.15 and add the result to the carcass weight. Please note that
for fire resistant belts other weights may apply.

A WIDE RANGE OF COVER QUALITIES

All Dunlop cover qualities are anti-static according to EN ISO 284, REACH (Registration, Evaluation and Authorisation
of Chemical substances) regulation EC 1907/2006 compliant and ozone resistant as per EN/ISO 1431.

Permissible temperature °C
DIN EN/lSO Base Technical Features
Dunlop Cover Quality Min. Cont. Peak
quality quality Ambient Material Material
polymer Application area

RA Y -30 80 100 SBR Abrasion resistance for normal service conditions.

Abrasion Excellent resistance to cuts, impact, abrasion and gouging resulting from
RE X H -40 80 90 NR
resistant large and heavy lump sizes.

Impact and extra wear resistance for conveying highly abrasive materials
RS W D -30 80 90 NR/SBR
of mixed lump sizes.

Betahete T T1 -20 160 180 SBR Heat and wear resistant for high temperature materials.
Heat
resistant Superior heat resistant for heavy duty service conditions,
Deltahete T T3 -20 200 400 EPM
up to 400 °C for short time intervals.

Fire Highly fire resistant according to

BV K/S 2A/2B -20 80 90 SBR
resistant EN 12882 and EN ISO 340.

Oil and fat

ROS G -20 80 120 NBR Oil and fat resistant for products containing minerals oils.
resistant
OTHER COVER GRADE QUALITIES FOR SPECIAL APPLICATIONS ARE AVAILABLE UPON REQUEST.

All data and recommendations in this leaflet have been supplied to the best of our knowledge, as accurately as possible and updated to reflect the most recent technological developments. Some products may have been changed or rendered obsolete in the light
of more recent technological developments. We cannot accept any responsibility for recommendations based solely on this document.

The Netherlands (Head Office) +31 (0) 512 585 555 • France +33 (0) 130555419 • Spain +34 (0) 93 770 45 97 • Italy +39 0363 906266 •
Poland +48 (0) 32 218 5070 • Morocco +212 (0) 522 34 65 80/85 • Russia +7 495 780 88 64 • United Arab Emirates +971 (0) 4 880 6337