Steel Test Plugs

  • Designed for testing and locating leaks of sewers, drainage systems, pipelines, and gullies.
  • Mainly used for testing with air or water.
  • Made of steel, the outside is surrounded by NBR. These gasket parts of PLUGLINE Steel Test Plugs can be changed with other materials according to customer needs and application requirements.
  • Available for pipe diameters from 36 mm (1,41") to 558 mm (21,96"). In addition to this Steel, Test Plugs have lesser or larger working pressure that can be produced.
  • Produced as double seals plug according to customer needs and application requirements.
Steel Test Plugs
Product Code Nominal Size Min. Pipe Inner Dia. to be tested (mm/inch) Max. Pipe Inner Dia. to be tested (mm/inch) Max. Back Pressure (bar/psi) Bypass Diameter (mm/inch) Product diameter (mm/inch) Product Length (mm/inch) Product Weight (kg/lbs)
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STP40 40mm / 1.57" 36 mm / 1,41" 50 mm / 1,96" 2,0 bar / 29,00 psi 12,70 mm / 1/2" 35mm / 1.38" 35mm / 1.38" 0.2kg / 0.44lbs
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STP50 50mm / 1.97" 50 mm / 1,96" 60 mm / 2,36" 2,0 bar / 29,00 psi 12,70 mm / 1/2" 40mm / 1.57" 40mm / 1.57" 0.3kg / 0.66lbs
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STP65 65mm / 2.56" 60 mm / 2,36" 75 mm / 2,95" 2,0 bar / 29,00 psi 12,70 mm / 1/2" 57mm / 2.24" 55mm / 2.17" 0.45kg / 0.99lbs
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STP75 80mm / 3.15" 70 mm / 2,75" 85 mm / 3,34" 1,2 bar / 17,40 psi 12,70 mm / 1/2" 67mm / 2.64" 55mm / 2.17" 0.7kg / 1.54lbs
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STP90 90mm / 3.54" 85 mm / 3,34" 100 mm / 3,93" 1,0 bar / 14,50 psi 12,70 mm / 1/2" 80mm / 3.15" 55mm / 2.17" 0.85kg / 1.87lbs
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STP100 100mm / 3.94" 95 mm / 3,74" 105 mm / 4,13" 0,6 bar / 8,70 psi 12,70 mm / 1/2" 95mm / 3.74" 55mm / 2.17" 1kg / 2.2lbs
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STP115 115mm / 4.53" 110 mm / 4,33" 125 mm / 4,92" 0,6 bar / 8,70 psi 12,70 mm / 1/2" 110mm / 4.33" 55mm / 2.17" 1.2kg / 2.65lbs
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STP125 125mm / 4.92" 120 mm / 4,72" 140 mm / 5,51" 0,6 bar / 8,70 psi 12,70 mm / 1/2" 120mm / 4.72" 55mm / 2.17" 1.3kg / 2.87lbs
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STP150 150mm / 5.91" 145 mm / 5,70" 160 mm / 6,29" 0,5 bar / 7,25 psi 12,70 mm / 1/2" 145mm / 5.71" 55mm / 2.17" 1.5kg / 3.31lbs
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STP175 175mm / 6.89" 175 mm / 6,88" 200 mm / 7,87" 0,4 bar / 5,80 psi 12,70 mm / 1/2" 170mm / 6.69" 55mm / 2.17" 1.7kg / 3.75lbs
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STP200 200mm / 7.87" 195 mm / 7,67" 215 mm / 8,46" 0,4 bar / 5,80 psi 12,70 mm / 1/2" 195mm / 7.68" 55mm / 2.17" 2kg / 4.41lbs
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STP225 225mm / 8.86" 210 mm / 8,26" 230 mm / 9,05" 0,4 bar / 5,80 psi 12,70 mm / 1/2" 220mm / 8.66" 55mm / 2.17" 2.3kg / 5.07lbs
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STP250 250mm / 9.84" 245 mm / 9,64" 260 mm / 10,23" 0,4 bar / 5,80 psi 12,70 mm / 1/2" 245mm / 9.65" 55mm / 2.17" 2.6kg / 5.73lbs
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STP300 300mm / 11.81" 296 mm / 11,65" 320 mm / 12,59" 0,3 bar / 4,35 psi 12,70 mm / 1/2" 295mm / 11.61" 55mm / 2.17" 3.5kg / 7.72lbs
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STP350 350mm / 13.78" 340 mm / 13,38" 385 mm / 15,15" 0,3 bar / 4,35 psi 12,70 mm / 1/2" 345mm / 13.58" 55mm / 2.17" 4kg / 8.82lbs
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STP400 400mm / 15.75" 390 mm / 15,35" 430 mm / 16,92" 0,3 bar / 4,35 psi 12,70 mm / 1/2" 395mm / 15.55" 80mm / 3.15" 5kg / 11.02lbs
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STP450 450mm / 17.72" 448 mm / 17,63" 495 mm / 19,48" 0,3 bar / 4,35 psi 12,70 mm / 1/2" 440mm / 17.32" 80mm / 3.15" 5.5kg / 12.13lbs
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STP500 500mm / 19.69" 495mm/19,48” 558mm/21,96” 0,2 bar/2,9 psi 12,70mm/ 1/2” 490mm / 19.29" 80mm / 3.15" 6kg / 13.23lbs

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