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Date: 2011-08-10     Hits: 2543

Hydraulic disc brake

                               

Technical features:
1. Compared with conventional band brake, the hydraulic disc brake has a large braking-torque capacity and a stable braking performance with a small inertia, and it can be operated precisely and flexibly with convenience for debugging and maintenance.
2. This hydraulic disc brake can be used for working braking, emergency braking, over-reel protection and shut off braking.
3. There are motor-driven pumps and accumulators, manual pumps, heaters and coolers to be equipped on the hydraulic station with the purpose of a dependable hydraulic-force supply to the executed units.
4. An integral layout can be realized by adoption of a valve-type connection on the power control system.
5. Safety and inspection measures are strengthened under the guidance of the design concept of “Humanism Above All” to meet the requirements of HSE.

Specifications:

 

Sort

Description

PZ30

PZ40

PZ50

PZ70

Working tong

Max positive pressure to one side (lbs)

10000

17000

20000

Effective stroke (in)

1 1/8

Allowable Min. working thickness of the braking block (in)

1/2

Overall dimension (in)

Φ6×10

Φ7×11

Weight (lbs)

40

55

Safety tong

Max positive pressure to one side (lbs)

11240

20233

Max working clearance of the braking block (in)

0.039

Allowable Min. working thickness of the braking block (in)

0.472

Overall dimension (in)

Φ7×13

Φ8×14

Weight (lbs)

77

106

Hydraulic system

 

Rated pressure (psi)

870

1160

Working media

In summer

L-HM46 anti-grinding hydraulic oil

In winter

L-HV32low-temperature anti-grinding hydraulic oil

Rated flow per pump (Us gal/min)

4.76

Oil-tank capacity (ft3)

5.3

Motor power (hp)

3

Accumulator capacity ( No.×ft)

4×0.223

Heater power (hp)

1.35

Cooling –water flow (Us gal/h)

528.3

Overall dimension (in)

47×41×51

Weight (lbs)

1676

       
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