This document provides details on rectangular buffers manufactured by GMT Rubber-Metal-Technic Ltd, designed for impact protection, including various sizes and specifications. It notes that some styles are subject to minimum order quantities and outlines the process for manufacturing buffers from rail. Additionally, the document includes load and deflection graphs for different models, highlighting variations and production tolerances.

1. Rectangular Buffers: Section 17
GMT RUBBER-METAL-TECHNIC LTD
Tel: (+44)(0)1943 870670 Fax: (+44)(0)1943 870631
E-Mail: sales@gmt.gb.com Website: www.gmt.gb.com
Rectangular Buffers
These parts are designed for impact protection. A range of sizes is
available with many held in stock. Some styles are subject to minimum
order quantities. Alternatively rectangular buffers can be manufactured
from rail in a wide range of sizes.
RECT-RB1099
RECT-RB1099
57°
Load (kN)
84.0
46.0
68.6 CRS
2.0
1.5
1.0
0.5
19.0
Ø6.9
32.0
3.0
0.0
0
1
2
3
4
5
Deflection (mm)
RECT-RB1105
RECT-RB1105
6.0
48.4
Load (kN)
121.4
85.5
104.8 CRS
57°
5.0
Ø8.6
4.0
3.0
2.0
1.0
0.0
55.5
0
3
6
9
12
15
Deflection (mm)
RECT-RB1107
RECT-RB1107
57°
150.0
Load (kN)
152.0 SQUARE
89.0 CRS
178.0 CRS
202.3
200.0
100.0
50.0
32.0
6.0
89.0 CRS
178.0 CRS
202.3
Ø10.9
0.0
0
2
4
6
Deflection (mm)
Note: There is a possible deviation of ±20% in the above load/deflection graphs due to production and hardness tolerances
GMT RUBBER-METAL-TECHNIC LTD. The Sidings, Station Road, Guiseley, Leeds, West Yorkshire, LS20 8BX, U.K.
Page: 17.1
Version 17.0

2. Rectangular Buffers Cont’d: Section 17
GMT RUBBER-METAL-TECHNIC LTD
Tel: (+44)(0)1943 870670 Fax: (+44)(0)1943 870631
E-Mail: sales@gmt.gb.com Website: www.gmt.gb.com
RECT-RB1211
RECT-RB1211
74°
Load (kN)
120.5
86.0
104.8 CRS
10.0
57°
6.0
4.0
2.0
6.0
0.0
Ø8.7
57.0
55.5
8.0
0
3
6
9
12
15
Deflection (mm)
RECT-RB1212
RECT-RB1212
Load (kN)
20.0
120.5
86.0
104.8 CRS
74°
57°
15.0
10.0
5.0
6.0
24.0
Ø8.7
57.0
0.0
0
1
2
3
4
5
Deflection (mm)
RECT-RB1221
RECT-RB1221
25.5
Load (kN)
285.0
216.0
255.0 CRS
73°
600.0
400.0
57°
200.0
102.0 CRS
6.0
152.0
0.0
Ø14.0
0
1
2
3
4
5
6
Deflection (mm)
RECT-RB1238
RECT-RB1238
70°
35.0
5.0
Ø18.0
100.0
Load (kN)
440.0 CRS
470.0
380.0
300.0
200.0
57°
100.0
0.0
0
2
4
6
8
10
Deflection (mm)
Note: There is a possible deviation of ±20% in the above load/deflection graphs due to production and hardness tolerances
GMT RUBBER-METAL-TECHNIC LTD. The Sidings, Station Road, Guiseley, Leeds, West Yorkshire, LS20 8BX, U.K.
Page: 17.2
Version 17.0

3. Rectangular Buffers Cont’d: Section 17
GMT RUBBER-METAL-TECHNIC LTD
Tel: (+44)(0)1943 870670 Fax: (+44)(0)1943 870631
E-Mail: sales@gmt.gb.com Website: www.gmt.gb.com
Rectangular Buffers Cut From Rail
It is possible to manufacture Rectangular Buffers from Rail as illustrated. The
rail can be supplied as manufactured in 2 metre lengths, or can be cut and
drilled to meet the customer’s individual requirement. This process has the
added advantage that no tooling is normally required
1
2
3
Appropriate Rail Type
and
Size
selected
from Rail table
Rail cut to give the
required length of
Rectangular Buffer
Plate drilled etc….
to meet specifications
GMT RUBBER-METAL-TECHNIC LTD. The Sidings, Station Road, Guiseley, Leeds, West Yorkshire, LS20 8BX, U.K.
Page: 17.3
Version 17.0