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Lined pipelines

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Steel pipes and fittings, lined with abrasive-resistant and corrosion-resistant coatings

Pipes and fittings, lined with corrosion — and abrasive-resistant coatings Polyglass Corrocoat (UK). The lining material is a modified vinyl-acrylic coating of natural curing with a filler of modified glass wool and is used where high resistance to chemicals, abrasives, as well as high temperatures is required. The method of application is based on the action of centrifugal forces (centrifugation). Connection of pipes is made by means of flanges. Maximum operating temperature-plus 110 °C in submersible environments, plus 175 °C in non-submersible environments.

Lined pipelines are suitable for a large number of different chemical environment with pH from 0 to 13, are not exposed to demineralized water at temperatures up to 90 °C, resist the effects of most solvents, are used including in aggressive atmospheric conditions and splash zones (watering).

For the production of pipes and fittings lined with Polyglass coating are used:

  • electric welded steel pipes according to GOST 10704;
  • seamless hot-deformed steel pipes according to GOST 8732;
  • tubes of corrosion-resistant steel GOST 9941-81, 11068-81, 9940-81;
  • elbows GOST 17375, GOST 24950;
  • tees according to GOST 17375;
  • transitions according to GOST 17378;
  • flanges according to GOST 12820, GOST 12822, GOST 12815.

At the request of the consumer, pipes of other sizes and with other flanges are manufactured. The maximum length of the pipe is 5500 mm, the minimum length is 300 mm (limited by the possibility of flanking). When the diameter of the pipeline to 426 mm are used, as a rule, seamless hot-deformed pipes in accordance with GOST 8732, over-welded straight-seam in accordance with GOST 10704.

Extremely low transmittance Polyglass is combined with excellent resistance to abrasive wear and cathodic corrosion. The model range of the pipes, lined with Polyglass:

Outside diameter, mm Weight of 1 m of pipes, including lining, kg, with wall thickness, mm
2,5 3 3,5 4 4,5 5 5,5 6 7 8 9 10 11 12
Pipes steel seamless hot-rolled lined Polyglass VE
50 3,27 3,82 4,34 4,86 5,36 5,86
54 4,14 4,72 5,28 5,83 6,38
57 4,39 5,00 5,60 6,20 6,77
63,5 4,92 5,61 6,29 6,97 7,62
68 5,28 6,03 6,77 7,50 8,21
70 5,45 6,22 6,98 7,73 8,48
73 5,69 6,50 7,30 8,09 8,87
76 5,93 6,78 7,62 8,45 9,26
83 7,44 8,36 9,27 10,18 11,06
89 8,01 9,01 9,99 10,96 11,92
95 8,57 9,64 10,69 11,75 12,78
102 9,22 10,38 11,53 12,66 13,78
108 11,02 12,24 13,44 14,64 15,82
114 11,65 12,95 14,23 15,50 16,75
121 12,40 13,78 15,14 16,50 17,85
127 13,03 14,49 15,93 17,36 18,77
133 13,68 15,20 16,71 18,21 19,71
140 16,03 17,63 19,22 20,80 23,91
146 16,74 18,42 20,08 21,73 25,00
152 17,45 19,21 20,94 22,66 26,07
159 18,29 20,12 21,94 23,75 27,34
168 21,30 23,23 25,15 28,96 32,72
180 22,87 24,95 27,02 31,13 35,17
194 24,70 26,95 29,20 33,64 38,05
203 30,59 35,27 39,88 44,46
219 33,08 38,15 43,16 48,13
245 42,84 48,49 54,10 59,65
273 47,88 54,22 60,53 66,77
299 59,55 66,49 73,38 80,22
325 64,87 72,46 79,98 87,47
351 70,20 78,42 86,60 94,71
377 57,89 66,85 75,75 84,39 93,21 101,97 110,69
402 90,13 99,55 108,94 118,27
426 75,70 85,82 95,64 105,65 115,63 125,55
530 68,66 75,06 81,45 94,18 106,87 119,50 132,09 144,62 157,12
630 112,20 127,35 142,45 157,50 172,51 187,46
720 128,42 145,78 163,11 180,38 197,60 214,77
820 146,43 166,26 186,05 205,79 225,48 245,12
920 164,44 186,75 209,00 231,21 253,36 275,47
1020 207,23 231,95 256,62 281,25 305,82
1120 227,71 254,90 282,03 309,13 336,16
1220 277,85 307,45 337,00 366,51
1420 358,29 392,77 427,21

In agreement with the customer it is possible to manufacture any other lined pipes in accordance with GOST8732, GOST 10705. The capacity of the pipe lining line is up to 1,000 meters per month. The production of pipes and fittings, lined with Polyglass is produced under the control of the manufacturer of the coating (Corrocoat Ltd. Britain).