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Crown Blocks

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Product Description

Technical Features：

l  The sheave grooves are quenched to resist wear and extend its service life.

l  The kick-back post and rope guard board prevent the wire rope from jumping out or falling out of the sheave grooves.

l  Equipped with safety chain anti-collision device.

l  Equipped with a gin pole for repairing the sheave block.

l  Sand sheaves and auxiliary sheave blocks are provided in accordance with users’ requirements.

l  The crown sheaves are completely interchangeable with those of its matching traveling block.


Technical Parameters

Model

TC90

TC158

TC170

TC225

TC315

TC450

TC585

TC675

Max. hook load, kN (lbs)

900

(200,000)

1580

(350,000)

1700

(37,400)

2250

(500,000)

3150

(700,000)

4500

(1,000,000)

5850

(1,300,000)

6750

(1,500,000)

Dia. of wire line, mm(in)

26(1)

29(1 1/8)

29(1 1/8)

32(1 1/4)

35(1 3/8)

38(1 1/2)

38(1 1/2)

45(1 3/4)

O.D. of sheaves, mm(in)

762(30)

915(36)

1005(40)

1120(44)

1270(50)

1524(60)

1524(60)

1524(60)

Number of sheaves

5

6

6

6

7

7

7

8

Overall dimension

Length, mm(in)

2580(101 9/16)

2220(87 7/16)

2620(103 5/32)

2667(105)

3192(125 11/16)

3140(134 1/4)

3625(142 3/4)

4650(183)

Width, mm(in)

2076(81 3/4)

2144(84 7/16)

2203(86 3/4)

2709(107)

2783(110)

2753(108 3/8)

2832(111 1/2)

3340(131 1/2)

Height, mm(in)

1578(62 1/8)

1813(71 3/8)

1712(67)

2469(97)

2350(92 1/2)

2420(95 3/8)

2580(101 5/8)

2702(106 3/8)

Weight, kg(lbs)

3000(6614)

3603(7943)

3825(8433)

6500(14330)

8500(18739)

11105(24483)

11310(24934)

13750(30314)


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  1. DONGYING RIGTECH CO., LLC.
  2. No. 237, Dongying, Shandong, China, 257000
  3. Email: sales@chinarigtech.com
  4. Tel : +86 13705460915
  5. China, 257000
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