• RAIL TECHNOLOGIES

    RAIL TECHNOLOGIES

  • OVERHEAD TRANSMISSION LINES

    OVERHEAD TRANSMISSION LINES

  • UNDERGROUND CABLE

    UNDERGROUND CABLE

  • ROPEWAY

    ROPEWAY

PULLEY BLOCK

ZECK PULLEY BLOCK
  • Massive aluminum sheave molded in one piece
  • for single conductor or 2, 3 or 4 bundled conductors.
  • Available diameters: 250/350/500/650/800/1000/1200/1500 mm
  • Galvanized steel frame
  • Bolted groove liners for easy exchange
  • High-quality, maintenance-free ball bearings with high safe working load
Optional
  • Groove liners of polyamide or aluminum
  • Anti-fleeting device
  • Individually adjustable distance between sheaves
Special designs on request
OPTIONAL FOR HIGH INDUCED CURRENTS
Disc grounding system with carbon brush

(current induction 20 kA/0.4 s)
Grounding roller (current induction 3.5 kA/0.4 s)

OPTIONAL: with carbon brush (current induction 20 kA/0.4 s)
Article no.

(aluminum)
Article no.

(polyamide)
Number of

wheels
A

(mm)
B

(mm)
C

(mm)
D

(mm)
E

(mm)
F

(mm)
Breaking load

(kN)
Working load

(kN)
Weight

(kg)
-76-12231330250543419534903011
-76-12241440350542619595903013
76-125076-125416125006840198711414727
76-103376-1034175065068401910091414734
76-102976-1030175065095401910091414738
76-102176-1022190080068401911591414739
76-101776-1018190080095401911591685645
76-100976-101011100100068401913591685643
76-100576-100611100100095401913591685652
76-1001-11350120013088251729300100116
76-1240-11650150013088252029300100136
Article no.

(aluminum)
Article no.

(polyamide)
Number of

wheels
A

(mm)
B

(mm)
C

(mm)
D

(mm)
E

(mm)
F

(mm)
H

(mm)
Breaking load

(kN)
Working load

(kN)
Weight

(kg)
76-125676-12553612500682730.5124914614147108
76-108576-10863750650682730.5138714614147128
76-108176-10823750650952730.5138717420167144
76-106976-10703900800682730.5153714620167144
76-106576-10663900800952730.5153717424983165
76-105376-1054311001000682730.5173714621973160
76-104976-1050311001000952730.5173717424983188
Article no.

(aluminum)
Article no.

(polyamide)
Number of

wheels
A

(mm)
B

(mm)
C

(mm)
D

(mm)
E

(mm)
F

(mm)
H

(mm)
I

(mm)
Breaking load

(kN)
Working load

(kN)
Weight

(kg)
76-114776-11485612500682730.5127910014614147152
76-114576-11465750650682730.5141710014614147182
76-114176-11425750650952730.5141714517820167211
76-112976-11305900800682730.5156710014620167208
76-112576-11265900800952730.5156714517824983247
76-113376-11345900800952736.51618145178441147290
76-111376-1114511001000682730.5176710014621973232
76-110976-1110511001000952730.5176714517824983287
76-111776-1118511001000952736.51818145178441147330
Working load: Calculated according to European standards (safety factor 3) | - Model not available
ZECK PULLEY BLOCK (DETACHABLE)
  • Massive aluminum sheave molded in one piece for increased stability
  • For 2-, 3-, or 4-bundle
  • Detachable version to use the pulley blocks individually 
  • Galvanized steel frame with clevis attachment turnable by 90°
  • Bolted groove liners for easy exchange
  • High-quality maintenance-free ball bearings with high safe working load
Optional
  • Groove liners of polyamide or aluminum
  • Anti-fleeting device
  • Alternative distance between sheaves (H)
  • Grounding device with laterally mounted disk and carbon brush for aluminum groove liners (tested according to European guidelines)
  • Grounding device with pressure roller and carbon brush for aluminum and polyamide groove liners
Special designs on request
Article no.

(aluminum)
Article no.

(polyamide)
Number of

wheels
A

(mm)
B

(mm)
C

(mm)
D

(mm)
E

(mm)
F

(mm)
G

(mm)
H

(mm)
Breaking load

(kN)
Working load

(kN)
Weight

(kg)
76-1269 76-1270 3 612 500 68 22 30.5 1350 686 146 141 47 142
76-1271 76-1272 3 750 650 68 22 30.5 1488 823 146 141 47 164
76-1273 76-1261 3 750 650 95 22 30.5 1488 823 178 201 67 181
76-1274 76-1260 3 900 800 68 22 30.5 1638 973 146 201 67 181
76-1275 76-1258 3 900 800 95 22 30.5 1638 973 178 201 67 203
76-1276 76-1277 3 1100 1000 68 22 30.5 1838 1173 146 201 67 199
76-1278 76-1279 3 1100 1000 95 22 30.5 1838 1173 178 219 73 228
Article no.

(aluminum)
Article no.

(polyamide)
Number of

wheels
A

(mm)
B

(mm)
C

(mm)
D

(mm)
E

(mm)
F

(mm)
G

(mm)
H/I

(mm)
Breaking load

(kN)
Working load

(kN)
Weight

(kg)
76-1280 76-1281 5 612 500 68 22 30.5 1350 686 146 474 47 210
76-1282 76-1283 5 750 650 68 22 30.5 1488 823 146 141 47 245
76-1284 76-1245 5 750 650 95 22 30.5 1488 823 178 201 67 274
76-1285 76-1259 5 900 800 68 22 30.5 1638 973 146 201 67 272
76-1232 76-1233 5 900 800 95 22 30.5 1638 973 178 201 67 308
76-1286 76-1287 5 1100 1000 68 22 30.5 1838 1173 146 201 67 299
76-1230 76-1231 5 1100 1000 95 22 30.5 1838 1173 178 219 73 348
Working load: Calculated according to European standards (safety factor 3)
ZECK PULLEY BLOCK (HELICOPTER)
  • Massive aluminum sheave molded in one piece for increased stability
  • For single conductor, 2-, 3-, or 4-bundle
  • Ball bearing hinge mechanism for automatic insertion of the pulling rope
  • Galvanized steel frame with clevis attachment turnable by 90°
  • Bolted groove liners for easy exchange
  • High-quality maintenance-free ball bearings with high safe working load
Optional
  • Groove liners of polyamide or aluminum
  • Anti-fleeting device
  • Alternative distance between sheaves (H)
  • Fixed clevis
  • Grounding device with laterally mounted disk and carbon brush for aluminum groove liners (tested according to European guidelines)
Special designs and breaking load

on request
Article no.

(aluminum)
Article no.

(polyamide)
Number of

wheels
A

(mm)
B

(mm)
C

(mm)
D

(mm)
E

(mm)
F

(mm)
Breaking load

(kN)
Working load

(kN)
Weight

(kg)
76-126476-12461612500681720.510831414749
76-123876-12361750650681720.512281414764
76-124376-12441750650951720.512281414769
76-123776-12411900800681720.513781414772
76-126276-12631900800951720.513781685678
76-126576-1266111001000681720.515781685680
76-126776-1268111001000951720.515781685688
Article no.

(aluminum)
Article no.

(polyamide)
Number of

wheels
A

(mm)
B

(mm)
C

(mm)
D

(mm)
E

(mm)
F

(mm)
H

(mm)
Breaking load

(kN)
Working load

(kN)
Weight

(kg)
76-128876-12893612500682230.5145514614147174
76-129076-12913750650682230.5159314614147198
76-129276-12933750650952230.5159317820167218
76-129476-12953900800682230.5174314620167219
76-129676-12973900800952230.5174317821967243
76-129876-1299311001000682230.5194314621973242
76-130076-1301311001000952230.5194317821967273
Working load: Calculated according to European standards (safety factor 3)