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  1. Unionlever (Group) Petroleum Equipment Co.,Ltd.

    Crownblock
    Description: :
    Feature
     
    1.The design and manufacture of crown block of series is in accordance with API Spec 4F and 8A Standards; having the right to use API monogram.
    2.  Be in accordance with the requirement of SY/T5527 in the “Main Hoisting Equipment of Oil Drilling Rig” Standard.
    3. The sheave rope groove is through quenched processing, with the features of wear-resistance and long-life.
    4. Equip with rope blocking bar or rope jamming groove, preventing the steel rope from groove-hopping or dropping. 
    5. Equip with bump-proof cushion devices.
    6. Equip with crane boom used for maintaining the sheave block.
    7. Equip with bailing sheave and auxiliary sheave block.
    8. The sheaves of crown block and the ones of its assorted traveling block can be replaceable. 
     
    Technical Parameters
     
    Model
     
    Max. hook load
     
     
    Sheave out-dia.
     
    Sheave number
    Steel rope dia.
     
    Size
    (Length×Width×Height)
     Weight
    TC30
    300 KN
    475 mm
    (18-3/4 in)
    4
    24 mm
    (15/16 in)
    738 mm×472 mm×575 mm
    (29 in×18-5/8 in×22-5/8 in)
    245 kg
    TC50
    500 KN
    610 mm
    (24 in)
    5
    24 mm
    (15/16 in)
    860 mm×670 mm×588 mm
    (33-7/8 in×26-7/16 in×23-1/8 in)
    464 kg
    TC60
    600 KN
    610 mm
    (24 in)
    5
    26 mm
    (1 in)
    940 mm×813 mm×965 mm(37 in×32 in×38 in)
    786 kg
    TC90
    900 KN
    660 mm
    (26 in)
    5
    26 mm
    (1 in)
    1208 mm×1092 mm×1207 mm(47-9/16 in×43 in×47-9/16 in)
    1500 kg
    TC135
    1350 KN
    1016 mm
    (40 in)
    5
    29 mm
    (1-1/8 in)
    2320 mm×1436 mm×1781 mm
    (91-11/32 in×56-17/32 in×70-1/2 in)
    2775 kg
    TC170/180
    1700 KN/1800 KN
    1016 mm
    (40 in)
    6
    29 mm
    (1-1/8 in)
    2668 mm×2460 mm×1855 mm
    (105 in×97 in×73 in)
    4540 kg
    TC225
    2250 KN
    1120 mm
    (44 in)
    6
    32 mm
    (1-1/4 in)
    2668 mm×2709 mm×2469 mm
    (105 in×107 in×97 in)
    5270 kg
    TC315
    3150 KN
    1270 mm
    (50 in)
    7
    35 mm
    (1-3/8 in)
    3112 mm×2783 mm×2800 mm
    (123 in×110 in×110 in)
    7600 kg
    TC450
    4500 KN
    1524 mm
    (60 in)
    7
    38 mm
    (1-1/2 in)
    3407 mm×2722 mm×2856 mm
    (134 in×107 in×112-1/2 in)
    9750 kg
    TC585
    5850
    1524 mm
    (60 in)
    8
    42mm
    (1-5/8in)
    3070mm×3000mm
    ×3600mm
    121in×118in×142in
     
     
    10000kg
     
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