NN/EP/ST Belts

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Plied Textile belts

Layers of specially designed fabric piles are sandwiched between rubber skim coats for adhesion and load support. Top and bottom cover compounds are added for maximum protection of the belt carcass. Belts can be manufactured according to various international fabric belt standards.

The following main three type of belt are included


Plied Textile belts


EP Belts

NN Belts

CC Belts


Belt TypeFabricMin.Ply strength(N/mm)PilesTop Cover(mm)Bottom Cover(mm)Belt Width(mm/inch)
50060070080090010001050120014001600180020002200
20242832364042485664728088
EP BeltsEP1001002-62-250-15YesYesYesYesYesYesYesYesYesYesYes

EP1251252-62-250-15YesYesYesYesYesYesYesYesYesYesYesYes
EP1501502-62-250-15YesYesYesYesYesYesYesYesYesYesYesYes
EP2002002-62-250-15YesYesYesYesYesYesYesYesYesYesYesYesYes
EP2502502-62-250-15YesYesYesYesYesYesYesYesYesYesYesYesYes
EP3003002-62-250-15YesYesYesYesYesYesYesYesYesYesYesYesYes
EP3503502-62-250-15YesYesYesYesYesYesYesYesYesYesYesYesYes
EP4004002-62-250-15YesYesYesYesYesYesYesYesYesYesYesYesYes
EP5005002-62-250-15YesYesYesYesYesYesYesYesYesYesYesYesYes
EP6006002-62-250-15YesYesYesYesYesYesYesYesYesYesYesYesYes
NN BeltNN1001002-82-250-15YesYesYesYesYesYesYesYesYesYesYes

NN1251252-82-250-15YesYesYesYesYesYesYesYesYesYesYesYes
NN1501502-82-250-15YesYesYesYesYesYesYesYesYesYesYesYes
NN2002002-82-250-15YesYesYesYesYesYesYesYesYesYesYesYesYes
NN2502502-82-250-15YesYesYesYesYesYesYesYesYesYesYesYesYes
NN3003002-82-250-15YesYesYesYesYesYesYesYesYesYesYesYesYes
NN3503502-82-250-15YesYesYesYesYesYesYesYesYesYesYesYesYes
NN4004002-82-250-15YesYesYesYesYesYesYesYesYesYesYesYesYes
NN5005002-82-250-15YesYesYesYesYesYesYesYesYesYesYesYesYes
NN6006002-82-250-15YesYesYesYesYesYesYesYesYesYesYesYesYes
CC BeltCC-56563-122-250-15YesYesYesYesYesYesYesYesYesYesYesYesYes


The belt cover is suitable for the following application

Abrasion Resistant

Impact Resistant

Heat Resistant

Oil Resistant

Acid/Alkali Resistant

Fire Retardant etc.


Comply with JIS/DIN/AS/BS/RMA/GB codes


Steel Cord Belt


Steel cord belts are designed by selecting cord construction to provide the best specification for a particular application. The cords, made up pf many wire filaments are constructed to provide high flexibility, low elongation and permit efficient and high strength splice designs. The belt cover could be selected according.


Plied Textile beltsPlied Textile belts


DIN22131 Steel Cord Belt

Tensile RatingST1000ST1250ST1600ST2000ST2500ST3150ST3500ST4000ST4500ST5000
Long. Tensile ≧n/mm1000125016002000250031503500400045005000
Max.Cord Dia. mm4.14.95.65.67.28.18.68.99.710.9
Supply Cord Dia.mm3.64.45.25.26.87.78.18.69.510.3
Cable pitch mm ±1512141512151515151617
Min.Cover Tks mm444455.566.577.5
Belt Width mmDeviationmmNo. Of cords
500±53934N/AN/AN/AN/AN/AN/AN/AN/A
650±75144N/AN/AN/AN/AN/AN/AN/AN/A
800±864555064N/AN/AN/AN/AN/AN/A
1000±1081696481646464645955
1200±1097847781777777777166
1400±121149890114909090908478
1600±121311121041311041041041049690
1800±14147127117147117117117117109102
2000±14164141130164130130130130121113
2200±15181155144181144144144144134125


DIN22131 Cover Grade

Cover TypeTensile Strength ≧ MPaElongation@Break ≧ %Abrasion ≦/ mm3
W1840090
X25450120
Y20400150
K20400200

GB/T 9770-2013 Steel Cord Belt

Tensile RatingST500ST630ST800ST1000ST1250ST1400ST1600ST1800ST2000ST2250ST2500ST2800ST3150ST3500ST4000ST4500ST5000
Long. Tensile ≧n/mm50063080010001250140016001800200022502500280031503500400045005000
Max.Cord Dia. mm3.03.03.54.04.55.05.66.05.67.27.27.28.18.68.99.710.9
Supply Cord Dia.mm2.82.83.03.43.84.44.44.65.05.26.66.67.37.37.78.29.0
Single cord tensile KN/pcs7.67.08.912.916.120.620.625.525.626.24039.650.556.063.576.391.0
Cable pitch mm ±151410101212141213.512111513.51515151617
Min.Cover Tks mm4444444444555.566.577.5
Belt Tks mm10.810.81111.411.812.412.412.81313.216.616.618.319.721.22324.8
Refer.Weight kg/m2151616.5171819.52020.52223.529.030.032.035.538.542.547
Belt Width mmDeviationmmNo. Of cords
500+10/-533454539393439N/AN/AN/AN/AN/AN/AN/AN/AN/AN/A
650+10/-74460605151455146525641464141413936
800+10/-85075756363556357636950575050504845
1000±106895957995687971798664716464645955
1200±108311311394948294859410476857677777166
1400±12961331331111119711110011112289998990908478
1600±121111511511261261111261141261401011141011041049690
1800±14125171171143143125143129143159114128114117117109102
2000±14139191191159159139159144159177128143128130130121113
2200±15153211211176176154176159176195141158141144144134125


GB/T 9770-2013 Cover Grade

Cover TypeTensile Strength ≧ MPaElongation@Break ≧ %Abrasion ≦/ mm3
H(For Sharp material)24450120
D (High abrasive material)18400100
L (Moderate abrasive material)15350200


Contact Us
  • Tel.: +86 10 6445 0371

  • Mob.: +86 150 1021 1297

  • Fax: +86 10 6442 3609

  • E-mail: sales@bulktec.cn

  • Add.: Room 815, Jinjiye Building, No.2 Shengguzhong Rd, Chaoyang District 100029, Beijing, P.R. China.

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