1. SB Series - hydraulic fail-safe disc brake
Spring/disc-spring applied, hydraulic release. Disc thickness 30–40 mm.
|
Model |
Clamping force (kN) |
Release pressure (bar / MPa) |
Oil to open (mL) |
Pad clearance (mm) |
μ |
Mounting bolts / torque (N·m) |
Weight w/o bracket (kg) |
|---|---|---|---|---|---|---|---|
|
50 |
110 bar / 11 MPa |
30 |
1–2 |
0.36 |
8×M20, 10.9, 680 |
90 |
|
|
100 |
120 bar / 12 MPa |
50 |
1–2 |
0.36 |
8×M24, 10.9, 1200 |
150 |
|
|
160 |
120 bar / 12 MPa |
70 |
1–2 |
0.36 |
8×M30, 10.9, 2200 |
310 |
|
|
SB250 |
250 |
130 bar / 13 MPa |
95 |
1–2 |
0.36 |
8×M36, 10.9, 3540 |
452 / 552* |
|
315 |
140 bar / 14 MPa |
115 |
1–2 |
0.36 |
8×M36, 10.9, 3540 |
672 |
|
|
SB400 |
400 |
120 bar / 12 MPa |
170 |
1–2 |
0.36 |
8×M48, 10.9, 7400 |
1100 |
|
SB500 |
500 |
140 bar / 14 MPa |
170 |
1–2 |
0.36 |
8×M48, 10.9, 7400 |
1200 |
Disc diameter range: SB50/SB100 ≈ Ø500 mm and up; SB160/SB250 ≈ Ø600 mm and up; SB315 ≈ Ø1200 mm; SB400/SB500 ≈ Ø1800 mm and up.
2. SBD-A Series - industrial crane safety disc brake
Disc diameter Ø800–Ø1800 mm; $d_1 = D - 135$ mm (SBD315-A: $D - 155$ mm); μ = 0.35.
|
Model |
Clamping force (kN) |
Braking force (kN) |
Cylinder pressure (MPa / bar) |
Oil to open (mL) |
Open clearance (mm) |
Weight (kg) |
|---|---|---|---|---|---|---|
|
SBD100-A |
100 |
72 |
8.0 MPa / 80 bar |
90 |
0.75–1.5 |
~195 |
|
SBD125-A |
125 |
90 |
9.0 MPa / 90 bar |
90 |
0.75–1.5 |
~195 |
|
SBD160-A |
160 |
115 |
7.5–9.0 MPa |
75–110 |
0.75–1.25 |
~195 |
|
SBD200-A |
200 |
144 |
10.0 MPa / 100 bar |
120 |
0.75–1.5 |
~235 |
|
SBD250-A |
250 |
180 |
10.0–12.0 MPa |
100 |
0.75–1.25 |
~235 |
|
SBD315-A |
315 |
220 |
11.0 MPa / 110 bar |
160 |
0.75–1.25 |
~280 |
Order example: SBD250-A-1600×30 I RL = 250 kN, Ø1600×30 mm disc, version I, release + lining-wear limit switches.
3. SBD-B Series - former SBB series
Large low-speed-shaft brakes; $d_1 = D - 150$ mm; μ = 0.35 (static 0.4 / dynamic 0.35 in some catalogs).
|
Model |
Rated clamping force (kN) |
Braking force (kN) |
Cylinder pressure (MPa) |
Oil to open (mL) |
Clearance (mm) |
Weight (kg) |
|---|---|---|---|---|---|---|
|
SBD80-B |
80 |
57 |
9.5 |
55 |
1–2 |
270 |
|
SBD160-B |
160 |
115 |
9.5 |
115 |
1–2 |
310 |
Former names: SBB80, SBB160.
4. SBD-C Series - very large drum-shaft brakes
Disc diameter ≥ Ø1800 mm; $d_1 = D - 220$ mm; μ = 0.35.
|
Model |
Rated clamping force (kN) |
Braking force (kN) |
Cylinder pressure (MPa) |
Oil to open (mL) |
Clearance (mm) |
Weight (kg) |
|---|---|---|---|---|---|---|
|
SBD250-C |
250 |
180 |
8.0 |
275 |
1–2 |
660 |
|
SBD365-C |
365 |
262 |
8.0 |
275 |
1–2 |
720 |
|
425 |
306 |
9.5 |
275 |
1–2 |
730 |
Former names: SBB250, SBB365, SBB425.
