Sudarshan HDPE PLB (Pre-Lubricated) Ducts are manufactured in accordance with TEC 2019 standards and are certified by TSEC, with quality assurance supported through RITES inspection. Designed to provide superior protection for optical fiber cables, Sudarshan HDPE PLB Ducts play a critical role in modern telecommunication and infrastructure networks.
Sudarshan HDPE PLB Ducts are engineered with a permanently lubricated inner layer, which significantly reduces friction during cable insertion. This ensures smooth installation over long distances, minimizes the risk of cable damage, and enhances overall efficiency during deployment.
Ideal for underground cable laying, Sudarshan HDPE PLB Ducts are widely used across high-demand applications, including Indian Railways for telecom and signaling systems, 4G and 5G network infrastructure, the BharatNet project, metro rail systems, and national highway projects. Their robust construction ensures excellent resistance to environmental stress, mechanical impact, and long-term wear, making them suitable for both urban and rural deployments.
With a focus on durability, reliability, and performance, Sudarshan HDPE PLB Ducts offer a long service life and consistent protection for critical communication networks, making them a preferred choice for large-scale infrastructure projects.
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SUDARSHAN HDPE PLB Duct Pipes
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AS PER TECH - 2019 (TEC/ GR/ FA/ CDS-008-04/AUG-19)
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SL NO
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NOMINAL DIA
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WT MAX. MIN
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INNER LAYER
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WALL THICKNESS
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WT/MTR
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OD MIN
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OD MAX
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SIZE
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WT
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WT+-
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WT – MIN
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WT – MAX
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WT- MIN
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WT - MAX
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1
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32MM
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32.3
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32/26
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3
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0.2
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0.24
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0.36
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2.8
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3.2
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0.262
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2
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40 MM
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40.4
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40/33
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3.5
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0.2
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0.28
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0.42
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3.3
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3.7
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3.385
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3
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50 MM
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50.5
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50/42
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4
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0.3
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0.32
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0.48
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3.7
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4.3
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0.555
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4
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63 MM
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63.6
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63/57
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3
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0.4
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0.36
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0.54
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2.6
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3.4
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0.543
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5
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63 MM
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63.6
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63/57
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3
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0.4
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0.36
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0.54
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6.1
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6.9
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1.108
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6
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75 MM
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75.7
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75/76
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5
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0.5
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0.4
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0.6
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4.5
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5.5
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1.055
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7
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90 MM
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90.9
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90/79
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5.5
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0.5
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0.44
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0.66
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5
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6
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1.402
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8
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110 MM
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111
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110/96
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7
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0.6
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0.54
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0.84
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6.4
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7.6
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2.173
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9
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110 MM
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111
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110/80
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15
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06
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0.54
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0.84
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14.4
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15.6
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4.298
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1
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Internal Pressure Creep Rupture Test of Pipe (Acceptance test) Duration-48h Temp-80°C
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Visual
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Cl-8.1.1, Of IS-4984:2016 & Table-5 Of- TEC/GR/FA/CDS-008/04/AUG-19
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Table-5 Of- TEC/GR/FA/CDS-008/04/AUG-19
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The Pipe under test shall not show signs of localized swelling, leakage o weeping and shall not burst when tested at Test Temperature a 80° C for 48 Hours, Induced Stress as per Table 5 of TEC/GR/FA/CDS-008/04/AUG-19
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2
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Internal Pressure Creep Rupture Test of Pipe joint (Acceptance test) Duration-165h Temp-80°C
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Visual
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Cl-8.1.1, Of IS-4984:2016 & Table-5 Of- TEC/GR/FA/CDS-008/04/AUG-19
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Table-5 Of- TEC/GR/FA/CDS-008/04/AUG- 19
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The Pipe under test shall not show signs of localized swelling, leakage o weeping and shall not burst when tested at Test Temperature a 80° C for 48 Hours, Induced Stress as per Table 5 of TEC/GR/FA/CDS-008/04/AUG-19
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3
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Reversion
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Measured by Hot Air Oven.
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8.2, Annex F of IS:4984 - 2016
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Cl-4.6 TEC/GR/FA/CDS-008/04/AUG-19
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As per CI. No.8.2 , Annex F of IS:4984 – 2016 & Cl-4.6,TEC/GR/FA/CDS-008/04/AUG-19 the Longitudinal reversion shall not be greater than 3%
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4
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Melt Flow Rate
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Measurement by MFI Tester
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Cl-4.19
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TEC/GR/FA/CDS-008/04/AUG-19 & IS-2530:1963
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When tested from a composite sample of Min three pipes as per IS 2530 at 190° C with nominal Load of 5 Kgf MFR shall not deviate from the MFR of the resin by more than 30%
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5
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Oxidation induction Time
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Measured By OIT Tester
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Cl-4.13 & Annex-1
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TEC/GR/FA/CDS-008/04/AUG-19
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The minimum Oxidation Induction Time of the pipe when tested in accordance with the method given Annex 1 , shall be not less than 30 Minutes.
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6
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Density
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Measurement by Density Tester
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Cl-4.18
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TEC/GR/FA/CDS-008/04/AUG-19
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when tested from a composite sample of Min three pipes as IS 7328 the Base Density of pipe shall be between940 to 958 Kg/m3.
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7
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Tensile Strength & Elongation
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Measurement by UTM Tester
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Cl-4.5
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EC/GR/FA/CDS-008/04/AUG-19
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Test according ASTM F2160 & ASTM D638 the test specimens Punch / Machined from pipe samples, the Elongation shall be ≥ 500.% & Tensile strength at Yield- ≥20N/mm².
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8
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Environment stress crack Resistance
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Measured by ESCR Tester
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Cl-4.7
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EC/GR/FA/CDS-008/04/AUG-19
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Test according to ASTM D-1693, There shall be no failure/crack.
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9
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Impact strength
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Conducted by Impact Testing machine
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Cl-4.8
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EC/GR/FA/CDS-008/04/AUG-19
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Test according to IS-12235 Pt-9, the Duct shall not crack or split.
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10
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Crush Resistant
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Conducted by Crush resistant Tester
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Cl-4.9
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EC/GR/FA/CDS-008/04/AUG-19
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The deflection with load on and after recovery period(5min) shall not exceed 10% & 2% Respectively
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11
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Mandrel Test
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Visual
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Cl-4.10
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EC/GR/FA/CDS-008/04/AUG-19
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150mm long mandrel of dia 3mm less than the internal dia of duct shall be passed through a 5meter length of Duct freely throughout the length, when the duct is bent to a radius of 5Meter
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12
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Internal Co-Efficient of Friction
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Measurement by UTM Tester
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Cl-4.15 & Annex-2
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EC/GR/FA/CDS-008/04/AUG-19
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a) For Nylon Jacketed unarmored OFC : 0.06 Max. For HDPE PLB Ducts b) For HDPE Jacketed Unarmored OFC: 0.20 Max. For HDPE PLB Ducts |
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13
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Ash Content
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Conducted by muffle furnace
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Cl-4.2
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EC/GR/FA/CDS-008/04/AUG-19
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The ash content of the duct shall not be more than 0.3%
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14
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Test for fading of colour of duct
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Visual
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Cl-4.21
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EC/GR/FA/CDS-008/04/AUG-19
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When Tested Accordance to ASTM D-1712,There shall be no Discolouration
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15
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Pulling force required to pull out two pieces of Duct Joint by Coupler
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Visual
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Cl-5.2
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EC/GR/FA/CDS-008/04/AUG-19
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The test may be conducted by loading the coupler joined by two pieces of duct for 15 minutes using UTM Pulling force required: - 110/80-800kgf 63/50-550kgf 50/42-450kgf 40/33-320kgf 26-250kgf |
