1. General specifications
|
Item |
Specification |
|---|---|
|
Brake type |
Electro-hydraulic drum / shoe brake, normally closed |
|
Actuation |
Compression spring applies brake; Ed thruster releases |
|
Brake wheel diameter |
160 – 800 mm (YWZ8-A starts at 160 mm; YWZ8 commonly 200–800 mm) |
|
Braking torque |
YWZ8-A: 80 – 500 N·m (small sizes); YWZ8: 135 – 10 000 N·m |
|
Thruster |
Ed23/5, Ed30/5, Ed50/6, Ed80/6, Ed121/6, Ed201/6, Ed301/6, Ed301/12 |
|
Lining |
Non-asbestos, snap-in shoe lining |
|
Clearance |
0.7 – 1.6 mm depending on size |
|
Ambient temperature |
−20 °C to +50 °C (some makers −20 to +40 °C) |
|
Humidity |
≤ 90 % RH |
|
Altitude |
≤ 2000 m (GB 755) |
|
Duty |
S1 continuous / S3-60%, high action frequency |
|
Supply |
3-phase AC 380 V 50 Hz (other voltages on request) |
|
Standards |
JB/T 6406-2006; dimensions per JB/ZQ 4388-86 / GB 6333-86 A-series |
|
Options |
Open limit K1, closed limit K2, lining wear limit K3, manual release, automatic wear compensation, delayed closing valve |
2. YWZ8-A series (small / medium drum)
|
Model |
Thruster |
Drum Ø D (mm) |
Braking torque (N·m) |
A (mm) |
b (mm) |
Weight (kg) |
|---|---|---|---|---|---|---|
|
YWZ8-160/E23A |
Ed 23/5 |
160 |
80 – 160 |
415 |
65 |
- |
|
YWZ8-200/E23A |
Ed 23/5 |
200 |
100 – 200 |
440 |
80 |
- |
|
YWZ8-200/E30A |
Ed 30/5 |
200 |
140 – 280 |
440 |
80 |
- |
|
YWZ8-250/E30A |
Ed 30/5 |
250 |
160 – 315 |
490 |
100 |
- |
|
YWZ8-250/E50A |
Ed 50/6 |
250 |
250 – 500 |
490 |
100 |
- |
YWZ8-A adds corrosion-resistant / modular variants; "A" after thruster size means thruster optimized for YWZ8-A lever layout.
3. YWZ8 series (main industrial range)
|
Model |
Thruster |
Drum Ø D (mm) |
Braking torque (N·m) |
Clearance (mm) |
A (mm) |
Weight (kg) |
|---|---|---|---|---|---|---|
|
YWZ8-200/E23 |
Ed 23/5 |
200 |
135 – 200 |
0.7 |
430 |
35 |
|
YWZ8-200/E30 |
Ed 30/5 |
200 |
135 – 310 |
0.7 |
430 |
43 |
|
YWZ8-300/E30 |
Ed 30/5 |
300 |
200 – 320 |
1.0 |
500 |
65 |
|
YWZ8-300/E50 |
Ed 50/6 |
300 |
200 – 550 |
1.0 |
540 |
80 |
|
YWZ8-300/E80 |
Ed 80/6 |
300 |
350 – 850 |
1.0 |
540 |
92 |
|
YWZ8-400/E50 |
Ed 50/6 |
400 |
600 – 750 |
1.0 |
660 |
120 |
|
YWZ8-400/E80 |
Ed 80/6 |
400 |
600 – 1300 |
1.0 |
660 |
130 |
|
YWZ8-400/E121 |
Ed 121/6 |
400 |
850 – 2000 |
1.0 |
660 |
150 |
|
YWZ8-500/E121 |
Ed 121/6 |
500 |
1000 – 2600 |
1.2 |
735 |
220 |
|
YWZ8-500/E201 |
Ed 201/6 |
500 |
1500 – 3700 |
1.2 |
735 |
220 |
|
YWZ8-600/E121 |
Ed 121/6 |
600 |
1700 – 2800 |
1.3 |
845 |
360 |
|
YWZ8-600/E201 |
Ed 201/6 |
600 |
1700 – 4300 |
1.3 |
845 |
360 |
|
YWZ8-600/E301 |
Ed 301/6 |
600 |
3000 – 6500 |
1.3 |
845 |
360 |
|
YWZ8-700/E201 |
Ed 201/6 |
700 |
3000 – 5000 |
1.3 |
948 |
450 |
|
YWZ8-700/E301 |
Ed 301/6 |
700 |
3700 – 8000 |
1.3 |
948 |
450 |
|
YWZ8-800/E301 |
Ed 301/12 |
800 |
6000 – 10000 |
1.6 |
980 |
560 |
|
YWZ8-800/E301/12 |
Ed 301/12 |
800 |
6000 – 10000 |
1.6 |
980 |
560 |
