• Concrete Sleepers
• W 14
• W 14 HH
• E 21
• W 21
• W 21 HS
• W 25 N
• W 21 SH
• W 21 T
• W 28
• W 30
• W 30 HH / W 30 HH AP
• SB-4
• Rapid W-System
• Steel Sleepers
• Slab Track
• Ripped plates
• Further products
• Service

System SB-4

Rail fastening system for concrete sleepers
Elastic, screw-less and maintenance free rail fastening system for concrete sleepers on ballasted tracks.

Features:

• The toe load of the SB-4 spring clamp is min. 2 x 8 kN
• The elastic PKV rail pad insulates the system and reduces the load on the sleeper and ballast
• The system is electrically insulated by the WKW isolators which ensure a consistent gauge width
• Simple and quick installation
• Reduction of noise level