The electro-mechanic UNISTAR HR EM is used in the field of grooved rail turnouts. Due to its compact design the locking unit can be installed between the gauges for gauges starting with 1435 mm. For smaller gauges, the installation takes place next to the track The connecting rods compensate for thermal expansion and contraction of the switch points without affecting the end position adjustments. Motor voltage can be ad-justed from 110 to 550 V AC or DC.
An accurate levelling of the track is important and consequently its faults affect the rolling stock and cause dynamic overloads on the rails, therefore checks of this and other track parameters are necessary (alignment, width, etc.) using geometric monitoring. The levelling part of the ballast renovation is carried out by raising and aligning the track with a heavy tamping machine equipped with groups of mobile tampers that raise the track to the level required. Once the first levelling has been completed, the track should be stabilised by static or dynamic compaction continued by the second and final levelling.
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ERW Pipes:- In grade IS 3589 Fe 330, Fe 410, Fe 450, IS 4270 and ASTM A53 Gr. A & B Diameter (Inch) Thickness (mm) 8 5 / 8 4.8 5.2 5.6 6.0 6.4 7.1 7.9 9.5 10 10 3 / 4 4.8 5.2 5.6 6.0 6.4 7.1 7.9 9.5 10 12 3 / 4 5.0 5.2 5.6 6.0 6.4 7.1 7.9 9.5 10 14 5.0 5.2 5.6 6.0 6.4 7.1 7.9 9.5 10 16 5.2 5.6 6.0 6.4 7.1 7.9 9.5 10 18 5.2 5.6 6.0 6.4 7.1 7.9 9.5 10 Pipes can be supplied with rust preventive coatings like varnish, red oxide, enamel, liquid epoxy coating, 3LPE coating etc. SW Pipes In grades IS 3589 Fe 330, Fe 410, Fe 450 and IS 5504 Outer Diameter OD (Inch) OD (mm) 20 508 24 609.6 28 711.2 32 812.8 36 914.4 40 1016 44 1117.6 48 1219.2 52 1320.8 56 1422.4 60 1524.0 64 1625.6 Pipes can be supplied with rust preventive coatings like varnish, red oxide, enamel, liquid epoxy coating, 3LPE coating etc. Other ODs between 20" and 64" can also be produced.
This coating is three layers Bottom: epoxy zinc-rich primer The middle layer: Epoxy micaceous iron oxide intermediate coating Topcoat: polyurethane paint Good corrosion resistance and weather resistance make it widely used in aerial pipeline with more than 20 years’ service life.
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