Large Span Group

China Manufacturer with main products: K Span Machine, Roll Forming Machine, Mic120 Mic240 Abm120 Abm240 Super K Span Machine, Slitting Line, Light Gauge Steel Framing Machine,...

Crown-Block

Specifications

Crown Block


Crown block is necessary component used for drill rig or workover rig for lifting. The performance standard for crown block our compy supplied is API Spec 4F & 8C.

Main Feature of Crown Block:
? The sheave groove is quenching-treated, anti-abrasion with long service life
? Equipped with wireline award device, preventing the wireline from bouncing or falling off
? Equipped with bumping wood and protective net
? Equipped with gin pole for block servicing
? Equipped with sand block and auxiliary block
? The sheaves of crown block and mated traveling block are fully interchangeable.

Technical Specifications of Crown Block

Model

QWTC30

QWTC50

QWTC90

QWTC135

QWTC170

QWTC225

QWTC315

QWTC450

Max. hook
load lbs(kN)

66,000 (300)

110,000 (500)

200,000 (900)

300,000 (1,350)

37,400 (1,700)

500,000(2,250)

700,000)(3,150)

1,000,000 (4,500)

Wireline Dia.in(mm)

15/16(24)

15/16 (24)

1(26)

1-1/8 (29)

1-1/8(29)

1-1/4 (32)

1-3/8 (35)

1-1/2 (38)

Sheave O.D. in(mm)

18-3/4(475)

24(610)

26(660)

40 (1,005)

40(1,005)

44 (1,120)

50 (1,270)

60 (1,524)

Sheave Qty.

4

5

5

5

6

6

7

7

Size (L xW xH) (mm)

738x
472??
575

860??
670??
588

1,208??
1,092??
1,207

2,320??
1,436??
1,781

2,668??
2,460??
1,855

2,668??
2,709??
2,469

3,112??
2,783??
2,800

3,407??
2,722??
2,856

Weight lbs(kg)

540 (245)

1,023(464)

3,307 (1,500)

6,118(2,775)

9,988 (4,540)

11,594(5,270)

16,720 (7,600)

21,450 (9,750)

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