The control system is valve-embedded to reduce external pipes.
Technical parameters：
|
MODEL |
PZ30 |
PZ40 |
PZ50 |
PZ70 |
|
|
Max. positive pressure on one side（Ibf） |
11240.45 |
16860.67 |
20232.80 |
||
|
Effective stroke （in） |
1.18 |
||||
|
Min working thickness allowed for brake shoe（in） |
0.47 |
||||
|
Overall dimension（in） |
Φ5.90×9.52 |
Φ7.08×11.41 |
|||
|
Weight（Ib） |
39.68 |
55.11 |
|||
|
Safety tong |
Max. positive pressure on one side（Ibf） |
11240.45 |
20232.80 |
||
|
Overall dimension（in） |
Φ7.48×12.99 |
Φ8.26×13.97 |
|||
|
Weight（Ib） |
77.16 |
105.82 |
|||
|
Hydraulic system |
Rated pressure（psi） |
857 |
1143 |
||
|
Summer |
L-HM46 Anti wear hydraulic oil |
||||
|
Winter |
L-HV32 Low temperature anti wear hydraulic oil |
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|
Rated flow rate of single pump （ft3/min） |
0.63 |
||||
|
Oil tank volume (ft3) |
5.30 |
||||
|
Motor power（hp） |
2.95 |
||||
|
Accumulator capacity (ft3) |
4×0.22 |
||||
|
Heater power（hp） |
1.34 |
||||
|
Cooling water flow rate（ft3/h） |
70.63 |
||||
|
Overall dimension（ft） |
3.93×3.44×4.21 |
||||
|
Weight（Ib） |
1675.51 | ||||