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W14 – Rail Fastening System

Konvasiyonel Balastlı Hat Ray Bağlantı Sistemi

By providing the technical specifications required and electrical isolation, it assures the connection of concrete sleepers and rails. Beside its affordable feature, provides much of convenience in the installation phase.

All the components of the system are produced in Gürmak Railway facilities with correct and reliable raw materials.

General Field of Application Conventional Ballasted Track & High Speed
Axle Load ≤ 26 t
Speed HS; ≥250 km/h // CR; ≤ 250 km/h
Curve Radius HS; ≥400 m // CR; ≥ 150 m
Height Adjustment Optional
Gauge Adjustment ± 10 mm
Vertical Fatigue Strength Skl 14 2 mm
Static Stiffness (Rail Pad) ≥ 50 kN/mm EN 13146-9
Toe Load 9 kN EN 13146-7
Electrical Resistance ≥ 5 kΩ EN 13146-5
Rail Creep Resistance ≥ 9 kN EN 13146-1
System Approval EN 13481-2

HS: High Speed
CR: Konvansiyonel Line


Gürmak GRM AY1 rail fastening system is tested and approved by Munich Technical University

The system can be configured according to needs concerning different rail types.


    • Turkey
    • Kazakhstan
    • Bulgaria
    • Serbia
    • Egypt


SKL 14 Tension Clamp
SS 35 Sleeper Screw
ULS 7 Washer
WFP 14 K12 Angle Guide
SDÜ 25 Dowel
ZW 700 Rail Pad